[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
The 18 month support period for Gutsy Gibbon 7.10 has reached its end of life - http://www.ubuntu.com/news/ubuntu-7.10-eol . As a result, we are closing the linux-source-2.6.22 kernel task. ** Changed in: linux-source-2.6.22 (Ubuntu) Status: Incomplete = Won't Fix -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Marking this Fix Released for Intrepid. ** Changed in: linux (Ubuntu) Status: Confirmed = Fix Released -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
An update: We are now using Intrepid's kernel-2.6.27-7-generic and -server, and have stopped having the autofs4 issues seen above (at least so far). For now, we are sticking with Hardy for LTS, but just upgrading to Intrepid kernel images. FYI. As for backporting, when I tried Colin's kernel, we still had the same lockup, and I haven't tried it since. So, it is doesn't seem to be a universal fix, but we are one datapoint. The autofs4 changes/fixes made in 2.6.26 and 2.6.27 are apparently pretty extensive, so back porting them to the Hardy kernel may not be possible. :( It'd be nice to find the minimal change/workaround for Hardy's kernel. -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Hi, Upgrading to Ubuntu 8.10 / Kernel 2.6.27-7-generic apparently solved the problem for me: autofs never crashes again. -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
I ran into this problem this morning for the first time, but now it is reliably reproducable on my work PC ;-| For me the short-term solution to be able to work again is to disable the automounter (and to live without NFS on this host for the time being). Strangely, I was using Ubuntu 8.04 (rc to 8.04.1) on the same hardware in the same network environment for several months now (I don't reboot often though). I'm more than willing to test new kernels, but upgrading the OS is not planned for this PC (I'm hoping that Long Term Support includes backports of bug fixes). Could there be a 2.6.27 kernel be made available for Ubuntu 8.04, please (there are two more suspected kernel bug fixes I'm asked to verify)? -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
The issue seems to go away (at least in 3 out of 3 attempts ;-) when using Colin's 2.6.24-20.35 kernel (amd64/generic tested only). IOW, works for me. Thanks! -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Hi Chad, Thanks for investigating this with 2.6.27. Any success with the kernels I built in https://bugs.launchpad.net/ubuntu/+source/linux- source-2.6.22/+bug/214810/comments/19 ? Colin -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would appreciate it if you could please test this newer 2.6.27 Ubuntu kernel. There are one of two ways you should be able to test: 1) If you are comfortable installing packages on your own, the linux- image-2.6.27-* package is currently available for you to install and test. --or-- 2) The upcoming Alpha5 for Intrepid Ibex 8.10 will contain this newer 2.6.27 Ubuntu kernel. Alpha5 is set to be released Thursday Sept 4. Please watch http://www.ubuntu.com/testing for Alpha5 to be announced. You should then be able to test via a LiveCD. Please let us know immediately if this newer 2.6.27 kernel resolves the bug reported here or if the issue remains. More importantly, please open a new bug report for each new bug/regression introduced by the 2.6.27 kernel and tag the bug report with 'linux-2.6.27'. Also, please specifically note if the issue does or does not appear in the 2.6.26 kernel. Thanks again, we really appreicate your help and feedback. ** Tags added: cft-2.6.27 -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
I actually just today built the current Intrepid kernel with prevu, but have to wait a bit to reboot. In the meantime, for my colleague who was experiencing this Oops 2-3 times a week, we compiled and installed 2.6.26.3, and now he hasn't had the problem occur again in over 4 weeks. However, another user was running the same 2.6.26.3 (not Ubuntu's BTW, but our own config and installation), and that had the same Oops as well (different machine, both running Ubuntu 8.04.1). So, whatever the issue is, 2.6.26 seems to have made the problem rarer, but not eliminated it entirely. In the meantime, I'll install Ubuntu's Intrepid 2.6.27 kernels on a few machines, especially the ones that have had this oops in the past (it seems to affect only a few users, but it hits them often, like its a usage pattern thing). -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Hi Chad, Just to clarify, the original patch I built with was a fix that I saw a discussion on from the Linux Kernel Mailing List Archive; subsequently a tidied up version of the patch made it into the autofs git repo which I referred to in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/214810/comments/26 above - however this patch won't apply cleanly and needs a little effort to be back-ported. I have discussed this with Ian Kent the maintainer and he has told me that there are a few more patches pending that will be coming soon, so am waiting to see what changes in the next week or so to see if any more relevant commits come into fix this specific issue. Hope this helps. Colin -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Chad, A patch from the autofs git may be the one that does the trick, namely: http://git.kernel.org/?p=linux/kernel/git/raven/linux-2.6-autofs4.git;a=commitdiff;h=b939c8bbeb9e49072aaf6a5faf688cb2b3e1c39f Hope this helps -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Colin, sorry to bug you again, but can you tell me if this is the same patch as you applied in your kernel binaries mentioned earlier in the thread? I was running your kernel for a couple days and just had the same Oops occur again. My next step is to take the existing ubuntu kernel, apply just the autofs4 patch you referenced above, and see if that fixes the problem. -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Hi Chad, As noted in comment in https://bugs.launchpad.net/ubuntu/+source/linux- source-2.6.22/+bug/214810/comments/19 above I have built a load of debs that can be tried out to see if the relevant patch fixes this problems. If it can be tested then I can commit it to the kernel. Thanks, Colin -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Thanks Colin, You don't have the server versions of linux-ubuntu-modules, and linux-restricted-modules, which we are using to access all our memory (4G). I can try the generic kernel in the meantime. Can you publish the actual patch you made (or at least email it to me while I test?) Thanks! -Chad -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
We have been coming across this bug quite frequently since moving to 8.04. Happened again today on 8.04.1. My work colleague tracked down the oops, and it is related to a bug in mainline: http://www.kerneloops.org/search.php?search=graft_treebtnG=Function+Search He then found this discussion on the devel lists that discusses it, and possibly fixes it in 2.6.26 (upcoming).: http://kerneltrap.org/mailarchive/linux-kernel/2008/6/3/2013554 So the good news is that the developers may have found the bug, but it'll likely need to be backported for Ubuntu. In any case, it is killing us at work, since a few of our desktops are being hit multiple times a week (others with nearly the same config seem fine, though). BTW, symptoms are a slow deterioration of the system, and an inability to switch consoles or ssh in. The machine isn't dead, but its not well. I started logging in on a virtual console, so that when it happened I could dmesg, and found the Oops. -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
For your convenience, I've also added the lrm and lum debs for generic i386 and amd64 builds. Colin -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Le jeudi 3 juillet 2008 13:06, Colin King a écrit : For your convenience, I've also added the lrm and lum debs for generic i386 and amd64 builds. Colin Thanks, I'll stress test it in 2 weeks. Regards, -- Farzad FARID / Architecte Open Source - Associé Pragmatic Source / http://www.pragmatic-source.com Tel : +33 9 53 19 21 90 / Mob : +33 6 03 70 65 46 -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Hi there, I believe I have a patch that may resolve this issue. I have built a collection of Hardy kernels to try this with first and if it's successful I shall backport it to Gutsy. Can you download the appropriate Hardy kernel deb from: http://people.ubuntu.com/~cking/sru-214810/ and try it out to see if this fixes the automount problem. Let me know of your results. Thanks, Colin -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Hi, Le Wednesday 02 July 2008 10:50:36 Colin King, vous avez écrit : Hi there, I believe I have a patch that may resolve this issue. I have built a collection of Hardy kernels to try this with first and if it's successful I shall backport it to Gutsy. Can you download the appropriate Hardy kernel deb from: I'm going on holidays without NFS access in 2 days and will be back around july the 21st, I'll try your kernel at this time. But I may have a small issue: without the corresponding linux-ubuntu-modules-2.6.24-20-generic and linux-restricted-modules-2.6.24-20-generic packages I won't be able to run my computer correctly. Can I get those somewhere? Last time I tried to compile my own kernel packages it was a long and horrible experience :) Regards, -- Farzad FARID / Architecte Open Source - Associé Pragmatic Source / http://www.pragmatic-source.com Tel : +33 9 53 19 21 90 / Mob : +33 6 03 70 65 46 -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
** Changed in: linux-source-2.6.22 (Ubuntu) Assignee: (unassigned) = Colin King (colin-king) -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Hi, This bug also occurs on Ubuntu 8.10. It's pretty serious for me, because the crash now happens almost twice a day. Hi had the very same bug with Ubuntu 8.06's kernel. Linux karma 2.6.24-18-generic #1 SMP Wed May 28 20:27:26 UTC 2008 i686 GNU/Linux I'm using autofs with a Thecus N2100 NFS file-server, it's a linux box. [29871.351477] WARNING: at /build/buildd/linux-2.6.24/fs/inotify.c:172 set_dentry_child_flags() [29871.351490] Pid: 7229, comm: kded Tainted: P2.6.24-18-generic #1 [29871.351530] [c01bc0ff] set_dentry_child_flags+0xcf/0x160 [29871.351590] [c01bc1e0] remove_watch_no_event+0x50/0x60 [29871.351611] [c01bc2f8] inotify_remove_watch_locked+0x18/0x50 [29871.351627] [c019238c] vfs_read+0x11c/0x170 [29871.351654] [c01bc65c] inotify_rm_wd+0x6c/0xb0 [29871.351690] [c01bcc78] sys_inotify_rm_watch+0x38/0x60 [29871.351717] [c01043c2] sysenter_past_esp+0x6b/0xa9 [29871.351810] === [31382.177527] BUG: unable to handle kernel NULL pointer dereference at virtual address 006a [31382.177536] printing eip: c01a7c39 *pde = [31382.177541] Oops: [#1] SMP [31382.177544] Modules linked in: autofs4 af_packet vmnet(P) vmblock vmmon(P) binfmt_misc rfcomm l2cap nfsd auth_rpcgss exportfs irtty_sir sir_dev ppdev ipv6 acpi_cpufreq cpufreq_userspace cpufreq_conservative cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table container sbs bay dock sbshc nfs lockd nfs_acl sunrpc iptable_filter ip_tables x_tables nls_iso8859_1 nls_cp437 vfat fat aes_i586 dm_crypt parport_pc lp parport snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_hwdep snd_seq_dummy serial_cs snd_seq_oss snd_seq_midi arc4 snd_rawmidi ecb blkcipher snd_seq_midi_event joydev snd_seq pcmcia hci_usb iwl3945 usbhid nvidia(P) bluetooth iwlwifi_mac80211 hid agpgart snd_timer cfg80211 i2c_core snd_seq_device iTCO_wdt iTCO_vendor_support serio_raw yenta_socket rsrc_nonstatic pcmcia_core battery irda video output snd ac wmi_acer crc_ccitt button soundcore dcdbas shpchp pci_hotplug evdev psmouse pcspkr ext3 jbd mbcache sg sr_mod cdrom sd_mod ata_generic ata_piix pata_acpi libata scsi_mod ehci_hcd uhci_hcd usbcore tg3 dm_mirror dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse [31382.177619] [31382.177622] Pid: 18847, comm: mount.nfs Tainted: P(2.6.24-18-generic #1) [31382.177625] EIP: 0060:[c01a7c39] EFLAGS: 00010206 CPU: 1 [31382.177632] EIP is at graft_tree+0x39/0xf0 [31382.177634] EAX: deb6f770 EBX: ffec ECX: EDX: dec6ff2c [31382.177636] ESI: d119ea00 EDI: dec6ff2c EBP: 002b ESP: dec6fe04 [31382.177638] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [31382.177641] Process mount.nfs (pid: 18847, ti=dec6e000 task=d2b44b80 task.ti=dec6e000) [31382.177643] Stack: dec6ff2c dec6ff30 d119ea00 c01a7fd2 0026 d119ea00 ded03000 d32f5000 [31382.177649]c01a90eb e21bf000 002b 0246 0001 0040 [31382.177654]0007 d2b44b80 001280d2 c01730d0 0044 014e f7807ac4 [31382.177660] Call Trace: [31382.177677] [c01a7fd2] do_add_mount+0x72/0x100 [31382.177699] [c01a90eb] do_mount+0x5fb/0x700 [31382.177741] [c01730d0] __alloc_pages+0x60/0x3a0 [31382.19] [c0121084] kunmap_atomic+0x84/0xb0 [31382.177783] [c012103d] kunmap_atomic+0x3d/0xb0 [31382.177800] [c017dbf7] handle_mm_fault+0x387/0x730 [31382.177821] [c012103d] kunmap_atomic+0x3d/0xb0 [31382.177872] [c031de7f] do_page_fault+0x13f/0x730 [31382.177917] [c01730d0] __alloc_pages+0x60/0x3a0 [31382.177928] [c031dd40] do_page_fault+0x0/0x730 [31382.177935] [c031c512] error_code+0x72/0x80 [31382.177971] [c01a7a55] copy_mount_options+0xa5/0x140 [31382.178000] [c01a9807] sys_mount+0x77/0xb0 [31382.178022] [c01043c2] sysenter_past_esp+0x6b/0xa9 [31382.178049] [c031] unix_dgram_recvmsg+0x50/0x2d0 [31382.178074] === [31382.178076] Code: 04 89 c6 89 7c 24 08 8b 40 14 89 d7 8b 40 30 85 c0 79 11 89 d8 8b 74 24 04 8b 1c 24 8b 7c 24 08 83 c4 0c c3 8b 02 b3 ec 8b 48 0c 0f b7 41 6a 25 00 f0 00 00 3d 00 40 00 00 8b 46 10 0f 94 c2 8b [31382.178104] EIP: [c01a7c39] graft_tree+0x39/0xf0 SS:ESP 0068:dec6fe04 [31382.178127] ---[ end trace d83b25df135d8c2b ]--- ** Attachment added: dmesg.log after a clean boot http://launchpadlibrarian.net/15112531/dmesg.log -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
** Attachment added: lsci output, Ubuntu 8.10 kernel 2.6.24-18-generic http://launchpadlibrarian.net/15112550/lspci-vvnn.log -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
** Attachment added: dmidecode output, Ubuntu 8.10 kernel 2.6.24-18-generic http://launchpadlibrarian.net/15112560/dmidecode.txt -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
I kept hitting this bug so frequently that I had to disable the automounter and resort to static mounts, which is also a pain in my environment. Anybody know if this is ubuntu only ? -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
I can reproduce it on a 7.10 system: May 19 16:02:51 node15 kernel: [2059317.829560] PGD efe18067 PUD efe19067 PMD 0 May 19 16:02:51 node15 kernel: [2059317.922748] CPU 1 May 19 16:02:51 node15 kernel: [2059317.948928] Modules linked in: nfs lockd sunrpc autofs4 ipv6 usbhid hid uhci_hcd ehci_hcd usbk bd fuse parport_pc lp parport af_packet i2c_amd756 i2c_core amd_rng serio_raw pcspkr shpchp psmouse pci_hotplug k8temp evdev ext3 jbd mbcache sg sd_mod ide_cd cdrom ata_generic libata floppy tg3 mptspi mptscsih mptbase scsi_transport_spi scsi_mod ohci_hcd usbc ore amd74xx ide_core thermal processor fan capability commoncap May 19 16:02:51 node15 kernel: [2059318.394824] Pid: 22862, comm: mount.nfs Not tainted 2.6.22-14-generic #1 May 19 16:02:51 node15 kernel: [2059318.477001] RIP: 0010:[graft_tree+76/304] [graft_tree+76/304] graft_tree+0x4c/0x130 May 19 16:02:51 node15 kernel: [2059318.573826] RSP: 0018:8100ccf55c48 EFLAGS: 00010246 May 19 16:02:51 node15 kernel: [2059318.639381] RAX: 8100bb90f4e0 RBX: ffec RCX: May 19 16:02:51 node15 kernel: [2059318.726753] RDX: 8100bc60f100 RSI: 8100ccf55e58 RDI: 81001b04ae00 May 19 16:02:51 node15 kernel: [2059318.814124] RBP: 81001b04ae00 R08: R09: 8100ee6f6980 May 19 16:02:51 node15 kernel: [2059318.901493] R10: 1785c20a R11: 0007 R12: 8100ccf55e58 May 19 16:02:51 node15 kernel: [2059318.988864] R13: R14: 000b R15: 000b May 19 16:02:51 node15 kernel: [2059319.076237] FS: 2b2f50a1e6e0() GS:8100faab7180() knlGS:f7d616b0 May 19 16:02:51 node15 kernel: [2059319.175036] CS: 0010 DS: ES: CR0: 8005003b May 19 16:02:51 node15 kernel: [2059319.245784] CR2: 00b2 CR3: c45b CR4: 06e0 May 19 16:02:51 node15 kernel: [2059319.333156] Process mount.nfs (pid: 22862, threadinfo 8100ccf54000, task 8100facdb4a0) May 19 16:02:51 node15 kernel: [2059319.438187] Stack: 8100ccf55e58 8100ccf55e60 81001b04ae00 802b1fa0 May 19 16:02:51 node15 kernel: [2059319.536468] 0006 1b04ae00 8100e22d5000 8100e22d4000 May 19 16:02:51 node15 kernel: [2059319.627371] 8100e00be000 802b3271 0010 May 19 16:02:51 node15 kernel: [2059319.716092] Call Trace: May 19 16:02:51 node15 kernel: [2059319.749550] [do_add_mount+160/352] do_add_mount+0xa0/0x160 May 19 16:02:51 node15 kernel: [2059319.816142] [do_mount+1329/2000] do_mount+0x531/0x7d0 May 19 16:02:51 node15 kernel: [2059319.879618] [__handle_mm_fault+1985/2912] __handle_mm_fault+0x7c1/0xb60 May 19 16:02:51 node15 kernel: [2059319.952451] [autoremove_wake_function+0/48] autoremove_wake_function+0x0/0x30 May 19 16:02:51 node15 kernel: [2059320.029428] [__up_read+33/176] __up_read+0x21/0xb0 May 19 16:02:51 node15 kernel: [2059320.091866] [do_page_fault+971/2160] do_page_fault+0x3cb/0x870 May 19 16:02:51 node15 kernel: [2059320.160540] [zone_statistics+125/128] zone_statistics+0x7d/0x80 May 19 16:02:51 node15 kernel: [2059320.229212] [error_exit+0/132] error_exit+0x0/0x84 May 19 16:02:51 node15 kernel: [2059320.291648] [copy_mount_options+273/384] copy_mount_options+0x111/0x180 May 19 16:02:51 node15 kernel: [2059320.365513] [sys_mount+155/256] sys_mount+0x9b/0x100 May 19 16:02:51 node15 kernel: [2059320.428990] [system_call+126/131] system_call+0x7e/0x83 May 19 16:02:51 node15 kernel: [2059320.493504] May 19 16:02:51 node15 kernel: [2059320.513341] May 19 16:02:51 node15 kernel: [2059320.513342] Code: 0f b7 81 b2 00 00 00 25 00 f0 00 00 3d 00 40 00 00 48 8b 47 May 19 16:02:51 node15 kernel: [2059320.692552] RSP 8100ccf55c48 Happens during mount.nfs from the automounter (we dont manually mount any NFS shares). I did get 2 of them since yesterday. -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
I have something similar in /var/log/messages: May 14 17:45:06 ulthar kernel: [78489.312979] PGD a1358067 PUD 61f22067 PMD 0 May 14 17:45:06 ulthar kernel: [78489.312984] CPU 1 May 14 17:45:06 ulthar kernel: [78489.312986] Modules linked in: af_packet binfmt_misc rfcomm l2cap nfsd auth_rpcgss exportfs ppdev autofs4 ipv6 acpi_cpufreq cpufreq_powersave cpufreq_stats cpufreq_userspace cpufreq_ondemand cpufreq_conservative freq_table video output container dock sbs sbshc battery nfs lockd nfs_acl sunrpc iptable_filter ip_tables x_tables ext2 aes_x86_64 dm_crypt ac coretemp it87 hwmon_vid sbp2 lp loop hci_usb bluetooth snd_hda_intel snd_pcm_oss snd_mixer_oss sr_mod cdrom snd_pcm snd_page_alloc snd_hwdep nvidia(P) i2c_core snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device button snd iTCO_wdt iTCO_vendor_support shpchp parport_pc parport pci_hotplug intel_agp soundcore pcspkr evdev ext3 jbd mbcache usb_storage libusual sg usbhid hid sd_mod pata_jmicron pata_acpi ata_piix floppy ohci1394 ata_generic ieee1394 r8169 libata scsi_mod uhci_hcd ehci_hcd usbcore dm_mirror dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcur May 14 17:45:06 ulthar kernel: or fuse May 14 17:45:06 ulthar kernel: [78489.313046] Pid: 15881, comm: mount.nfs Tainted: P2.6.24-16-generic #1 May 14 17:45:06 ulthar kernel: [78489.313048] RIP: 0010:[graft_tree+0x4c/0x140] [graft_tree+0x4c/0x140] graft_tree+0x4c/0x140 May 14 17:45:06 ulthar kernel: [78489.313051] RSP: 0018:8100aff75c48 EFLAGS: 00010246 May 14 17:45:06 ulthar kernel: [78489.313053] RAX: 81005a5e3410 RBX: ffec RCX: May 14 17:45:06 ulthar kernel: [78489.313055] RDX: 810118967700 RSI: 8100aff75e58 RDI: 810118f63200 May 14 17:45:06 ulthar kernel: [78489.313057] RBP: 810118f63200 R08: R09: May 14 17:45:06 ulthar kernel: [78489.313059] R10: R11: 80310fb0 R12: 8100aff75e58 May 14 17:45:06 ulthar kernel: [78489.313060] R13: R14: 0023 R15: 0023 May 14 17:45:06 ulthar kernel: [78489.313063] FS: 7f37fd1376e0() GS:81011bc01800() knlGS: May 14 17:45:06 ulthar kernel: [78489.313065] CS: 0010 DS: ES: CR0: 8005003b May 14 17:45:06 ulthar kernel: [78489.313066] CR2: 00b2 CR3: 7f805000 CR4: 06e0 May 14 17:45:06 ulthar kernel: [78489.313068] DR0: DR1: DR2: May 14 17:45:06 ulthar kernel: [78489.313070] DR3: DR6: 0ff0 DR7: 0400 May 14 17:45:06 ulthar kernel: [78489.313072] Process mount.nfs (pid: 15881, threadinfo 8100aff74000, task 8100ca1bc7c0) May 14 17:45:06 ulthar kernel: [78489.313074] Stack: 8100aff75e58 8100aff75e60 810118f63200 802c5c42 May 14 17:45:06 ulthar kernel: [78489.313078] 0026 18f63200 81003797 810059dc9000 May 14 17:45:06 ulthar kernel: [78489.313082] 8100ca0f4000 802c6f2a 0400 May 14 17:45:06 ulthar kernel: [78489.313085] Call Trace: May 14 17:45:06 ulthar kernel: [78489.313090] [nfs:do_add_mount+0xa2/0x1810] do_add_mount+0xa2/0x140 May 14 17:45:06 ulthar kernel: [78489.313095] [do_mount+0x56a/0x810] do_mount+0x56a/0x810 May 14 17:45:06 ulthar kernel: [78489.313100] [find_lock_page+0x3d/0xc0] find_lock_page+0x3d/0xc0 May 14 17:45:06 ulthar kernel: [78489.313106] [nfs:filemap_fault+0x188/0x570] filemap_fault+0x188/0x390 May 14 17:45:06 ulthar kernel: [78489.313114] [__up_read+0x21/0xb0] __up_read+0x21/0xb0 May 14 17:45:06 ulthar kernel: [78489.313118] [search_exception_tables+0x1d/0x30] search_exception_tables+0x1d/0x30 May 14 17:45:06 ulthar kernel: [78489.313123] [do_page_fault+0x242/0x840] do_page_fault+0x242/0x840 May 14 17:45:06 ulthar kernel: [78489.313130] [zone_statistics+0x7d/0x80] zone_statistics+0x7d/0x80 May 14 17:45:06 ulthar kernel: [78489.313157] [nfs:__get_free_pages+0x1b/0x12c0] __get_free_pages+0x1b/0x40 May 14 17:45:06 ulthar kernel: [78489.313164] [sys_mount+0x9b/0x100] sys_mount+0x9b/0x100 May 14 17:45:06 ulthar kernel: [78489.313172] [system_call+0x7e/0x83] system_call+0x7e/0x83 May 14 17:45:06 ulthar kernel: [78489.313182] May 14 17:45:06 ulthar kernel: [78489.313183] May 14 17:45:06 ulthar kernel: [78489.313183] Code: 0f b7 81 b2 00 00 00 25 00 f0 00 00 3d 00 40 00 00 48 8b 47 May 14 17:45:06 ulthar kernel: [78489.313195] RSP 8100aff75c48 May 14 17:45:06 ulthar kernel: [78489.313199] ---[ end trace a0d8317e098a7a14 ]- This is on 64-bit 8.04. -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Hit the bug, again, this time after upgrading to 8.04. $ uname -a Linux taswatha-devd 2.6.24-16-generic #1 SMP Thu Apr 10 13:23:42 UTC 2008 i686 GNU/Linux FWIW, here's the backtrace: [ 2827.690900] Pid: 12860, comm: mount.nfs Tainted: P(2.6.24-16-generic #1) [ 2827.690903] EIP: 0060:[c01a31e9] EFLAGS: 00010206 CPU: 0 [ 2827.690909] EIP is at graft_tree+0x39/0xf0 [ 2827.690911] EAX: f371b330 EBX: ffec ECX: EDX: f4e11f2c [ 2827.690914] ESI: f6879800 EDI: f4e11f2c EBP: 0020 ESP: f4e11e04 [ 2827.690916] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 2827.690919] Process mount.nfs (pid: 12860, ti=f4e1 task=f6926000 task.ti=f4e1) [ 2827.690921] Stack: f4e11f2c f4e11f30 f6879800 c01a3582 0020 f6879800 f4e95000 f75e2000 [ 2827.690928]c01a469b f4e7a000 0020 c029ed64 0001 [ 2827.690935]0007 f4faf830 f69f4d80 c029e538 00db f88dcaaa 0011 f88dc7f6 [ 2827.690942] Call Trace: [ 2827.690947] [c01a3582] do_add_mount+0x72/0x100 [ 2827.690954] [c01a469b] do_mount+0x5fb/0x700 [ 2827.690959] [c029ed64] skb_release_all+0x54/0x130 [ 2827.690966] [c029e538] __kfree_skb+0x8/0x80 [ 2827.690971] [f88dcaaa] tg3_poll+0x2fa/0x9a0 [tg3] [ 2827.690982] [f88dc7f6] tg3_poll+0x46/0x9a0 [tg3] [ 2827.690996] [c0179227] handle_mm_fault+0x387/0x730 [ 2827.691004] [c02a64fd] net_rx_action+0x12d/0x210 [ 2827.691014] [c0131a22] __do_softirq+0x82/0x110 [ 2827.691022] [c0131dd1] irq_exit+0x51/0x80 [ 2827.691036] [c0106f20] do_IRQ+0x40/0x70 [ 2827.691040] [c016e7b0] __alloc_pages+0x60/0x390 [ 2827.691046] [c0105413] common_interrupt+0x23/0x30 [ 2827.691052] [c01a300c] copy_mount_options+0xac/0x140 [ 2827.691057] [c01a4db7] sys_mount+0x77/0xb0 [ 2827.691062] [c01043c2] sysenter_past_esp+0x6b/0xa9 [ 2827.691068] [c031] vcc_getsockopt+0x150/0x170 [ 2827.691075] === [ 2827.691076] Code: 04 89 c6 89 7c 24 08 8b 40 14 89 d7 8b 40 30 85 c0 79 11 89 d8 8b 74 24 04 8b 1c 24 8b 7c 24 08 83 c4 0c c3 8b 02 b3 ec 8b 48 0c 0f b7 41 6a 25 00 f0 00 00 3d 00 40 00 00 8b 46 10 0f 94 c2 8b [ 2827.691102] EIP: [c01a31e9] graft_tree+0x39/0xf0 SS:ESP 0068:f4e11e04 [ 2827.691113] ---[ end trace b95ef32372b7907f ]--- -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Hi Gareth, It's not every time, but it is pretty much every session. Regards, Jonathan -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
I'm getting this Oops on 2.6.24-16 apparently when autofs is mounting some nfs mounts. Linux maternoty 2.6.24-16-386 #1 Thu Apr 10 12:50:06 UTC 2008 i686 GNU/Linux [ 870.450520] BUG: unable to handle kernel NULL pointer dereference at virtual address 0066 [ 870.450538] printing eip: c018c2b9 *pde = [ 870.450550] Oops: [#1] [ 870.450557] Modules linked in: nvidia(P) i2c_core binfmt_misc rfcomm l2cap nfsd auth_rpcgss exportfs ipx p8023 ppdev lp autofs4 container sbs dock sbshc video output battery cpufreq_conservative cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_ondemand nfs lockd nfs_acl sunrpc iptable_filter ip_tables x_tables reiserfs aes_i586 dm_crypt p4_clockmod speedstep_lib freq_table quickcam videodev v4l2_common v4l1_compat yenta_socket rsrc_nonstatic pcmcia_core ipv6 af_packet hci_usb bluetooth prism2_usb evdev p80211 parport_pc parport serio_raw snd_intel8x0 psmouse rtc snd_ac97_codec ac97_bus snd_pcm_oss snd_pcm snd_mixer_oss snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq pcspkr snd_timer snd_seq_device snd soundcore snd_page_alloc button iTCO_wdt iTCO_vendor_support shpchp pci_hotplug intel_agp agpgart ac ext3 jbd mbcache sg sr_mod cdrom sd_mod ata_piix pata_acpi 8139cp floppy ata_generic ohci1394 ieee1394 8139too mii libata scsi_mod ehci_hcd uhci_hcd usbcore raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0 multipath linear md_mod dm_mirror dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse [ 870.450697] [ 870.450704] Pid: 8729, comm: mount.nfs Tainted: P(2.6.24-16-386 #1) [ 870.450711] EIP: 0060:[c018c2b9] EFLAGS: 00010206 CPU: 0 [ 870.450726] EIP is at graft_tree+0x39/0xf0 [ 870.450730] EAX: eb10d580 EBX: ffec ECX: EDX: f77f9f2c [ 870.450737] ESI: df479e00 EDI: f77f9f2c EBP: 0023 ESP: f77f9e04 [ 870.450741] DS: 007b ES: 007b FS: GS: 0033 SS: 0068 [ 870.450748] Process mount.nfs (pid: 8729, ti=f77f8000 task=e0c11640 task.ti=f77f8000) [ 870.450752] Stack: f77f9f2c f77f9f30 df479e00 c018c641 0026 df479e00 f6a6d000 f77e [ 870.450766]c018d73b f778e000 0023 df979e00 0001 f6939000 [ 870.450777]c02d28a3 0001 f7f2fe00 f7aa8c00 0025 f704e900 f77f9edc [ 870.450788] Call Trace: [ 870.450813] [c018c641] do_add_mount+0x71/0xf0 [ 870.450850] [c018d73b] do_mount+0x5db/0x6c0 [ 870.450908] [c02d28a3] ip4_datagram_connect+0x193/0x350 [ 870.451033] [c01563fc] find_lock_page+0x2c/0xa0 [ 870.451074] [c0158765] filemap_fault+0x1b5/0x3b0 [ 870.451202] [c0117eed] fixup_exception+0x1d/0x60 [ 870.451326] [c015b61f] __alloc_pages+0x5f/0x380 [ 870.451351] [c0302ba0] do_page_fault+0x0/0x720 [ 870.451468] [c018c080] copy_mount_options+0x40/0x140 [ 870.451526] [c018dbc2] sys_mount+0x72/0xb0 [ 870.451581] [c0104132] sysenter_past_esp+0x6b/0xa9 [ 870.451716] === [ 870.451720] Code: 04 89 c6 89 7c 24 08 8b 40 14 89 d7 8b 40 30 85 c0 79 11 89 d8 8b 74 24 04 8b 1c 24 8b 7c 24 08 83 c4 0c c3 8b 02 b3 ec 8b 48 08 0f b7 41 66 25 00 f0 00 00 3d 00 40 00 00 8b 46 10 0f 94 c2 8b [ 870.451768] EIP: [c018c2b9] graft_tree+0x39/0xf0 SS:ESP 0068:f77f9e04 [ 870.451782] ---[ end trace 5785c06c9917abb6 ]--- ** Attachment added: clean dmesg http://launchpadlibrarian.net/13830174/dmesg.log -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
** Attachment added: dmidecode.txt http://launchpadlibrarian.net/13830193/dmidecode.txt -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
** Attachment added: lspci-vvnn.log http://launchpadlibrarian.net/13830207/lspci-vvnn.log -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Ubuntu 8.04 -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Jonathan Tejasvi, Does this issue occur always or just occasionally or just once only?. Waiting on Tejasvi for Gutsy info. Thanks. ** Also affects: linux-source-2.6.24 (Ubuntu) Importance: Undecided Status: New ** Changed in: linux (Ubuntu) Sourcepackagename: linux-source-2.6.24 = linux Assignee: (unassigned) = Ubuntu Kernel Team (ubuntu-kernel-team) Status: New = Confirmed -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
** Attachment added: DMI encode http://launchpadlibrarian.net/13832733/dmidecode.txt.gz -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
** Attachment added: lspci http://launchpadlibrarian.net/13832731/lspci-vvnn.log.gz -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
I haven't hit this bug again. Ubuntu 7.10 $ uname -a Linux taswatha-devd 2.6.22-14-generic #1 SMP Tue Feb 12 07:42:25 UTC 2008 i686 GNU/Linux I am attaching all the other info in subsequent posts. ** Attachment added: Syslog http://launchpadlibrarian.net/13832727/messages.1.gz -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 214810] Re: Kernel Panic due to null pointer dereference in do_add_mount()
Thank you for taking the time to report this bug and helping to make Ubuntu better. Can you supply more detailed information on the problem you have reported (for example when does the problem occur: during boot or does some other event trigger this? Does it always occur or just occasionally or just once?). Please include the following additional information, if you have not already done so (pay attention to lspci's additional options): 1. Please include the output of the command uname -a in your next response. It should be one, long line of text which includes the exact kernel version you're running, as well as the CPU architecture. 2. Please run the command dmesg dmesg.log after a fresh boot and attach the resulting file dmesg.log to this bug report. 3. Please run the command sudo lspci -vvnn lspci-vvnn.log and attach the resulting file lspci-vvnn.log to this bug report. 4. Please run the command sudo dmidecode dmidecode.txt and attach the resulting file dmidecode.txt to this bug report. Thanks. ** Changed in: linux-source-2.6.22 (Ubuntu) Status: New = Incomplete -- Kernel Panic due to null pointer dereference in do_add_mount() https://bugs.launchpad.net/bugs/214810 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
