[Bug 1575506] Re: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 00000038
*** This bug is a duplicate of bug 1558120 *** https://bugs.launchpad.net/bugs/1558120 ** This bug has been marked a duplicate of bug 1558120 Kernel can be oopsed using remap_file_pages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575506 Title: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 0038 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575506/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1575506] Re: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 00000038
*** This bug is a duplicate of bug 1558120 *** https://bugs.launchpad.net/bugs/1558120 ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575506 Title: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 0038 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575506/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 1575506] Re: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 00000038
On Thu, Apr 28, 2016 at 9:55 PM, Tim Gardner wrote: > Ming - please try the kernel at > http://people.canonical.com/~rtg/lp1575506/ - I've updated AUFS to the > latest stable branch. Source at git://kernel.ubuntu.com/rtg/ubuntu- > xenial.git aufs Looks no difference by installing the new kernel of 'Linux ubuntu 4.4.0-23-generic #39' on arm64. Kernel oops can happen immediately by running the following command: stress-ng --remap 64 --timeout 60 -v Thanks, Ming > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1575506 > > Title: > Xenial: ARM64: Unable to handle kernel NULL pointer dereference at > virtual address 0038 > > Status in linux package in Ubuntu: > Confirmed > > Bug description: > > When running 'stress-ng --all 64 -t 800 -v' on Xenial/ARM64, the following > kernel oops is triggered. > > > [ 93.309158] Unable to handle kernel NULL pointer dereference at virtual > address 0038 > [ 93.309160] pgd = 8007a5914000 > [ 93.309163] [0038] *pgd=0047a5b15003, *pud=0047a5b16003, > *pmd= > [ 93.309167] Internal error: Oops: 9606 [#1] SMP > [ 93.309202] Modules linked in: wp512 rmd320 rmd256 rmd160 rmd128 md4 > algif_hash af_alg xt_CHECKSUM iptable_mangle ipt_MASQUERADE > nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 > nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp > bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables > iptable_filter ip_tables x_tables nls_iso8859_1 shpchp ghash_ce sha2_ce > sha1_ce xgene_rng i2c_xgene_slimpro xgene_edac dwc3 edac_core udc_core > i2c_designware_platform ulpi i2c_designware_core uio_pdrv_genirq uio > gpio_keys rtc_efi autofs4 tg3 ptp pps_core sdhci_of_arasan ahci_xgene > gpio_dwapb sdhci_pltfm xgene_enet libahci_platform sdhci libahci gpio_xgene_sb > [ 93.309208] CPU: 5 PID: 2062 Comm: stress-ng-remap Not tainted > 4.4.0-15.31-generic #31+clk.1 > [ 93.309209] Hardware name: AppliedMicro Mustang/Mustang, BIOS > 2.04.08-beta Feb 2 2016 > [ 93.309211] task: 8007a58c5b00 ti: 8007a7a3 task.ti: > 8007a7a3 > [ 93.309217] PC is at fput+0x20/0xd0 > [ 93.309222] LR is at vma_do_fput+0x24/0x48 > [ 93.309223] pc : [] lr : [] pstate: > 6145 > [ 93.309224] sp : 8007a7a33e20 > [ 93.309226] x29: 8007a7a33e20 x28: 8007a7a3 > [ 93.309228] x27: 0003 x26: 8007a59886e8 > [ 93.309229] x25: 800746248ed8 x24: 8011 > [ 93.309231] x23: x22: 8091b780 > [ 93.309232] x21: 1000 x20: > [ 93.309233] x19: x18: 1140 > [ 93.309235] x17: 8915f2c0 x16: 80133de0 > [ 93.309236] x15: 893c2000 x14: > [ 93.309237] x13: 0003e800 x12: 734b0200 > [ 93.309239] x11: 003d0f00 x10: 0930 > [ 93.309240] x9 : x8 : > [ 93.309242] x7 : 80074645ac10 x6 : 00680f43 > [ 93.309243] x5 : 00680f4f x4 : 0064 > [ 93.309245] x3 : 00680f53 x2 : 0038 > [ 93.309246] x1 : 8091b780 x0 : 801fe1f4 > > [ 93.309248] Process stress-ng-remap (pid: 2062, stack limit = > 0x8007a7a30020) > [ 93.309250] Stack: (0x8007a7a33e20 to 0x8007a7a34000) > [ 93.309252] 3e20: 8007a7a33e40 801fe1f4 > 8007a59886e8 > [ 93.309253] 3e40: 8007a7a33e60 8020c1c0 8830 > 80d8e000 > [ 93.309255] 3e60: c85b2280 80085c70 > 88301000 > [ 93.309257] 3e80: 89161ea8 8000 > 0015 > [ 93.309258] 3ea0: 011d 00ea 80901000 > 8007a7a3 > [ 93.309260] 3ec0: 1000 cb88537fdc8ba606 8830 > 1000 > [ 93.309261] 3ee0: > 0200 > [ 93.309262] 3f00: 00d1 00d1 00ea > 2626 > [ 93.309264] 3f20: 0101010101010101 001e 0018 > 0003e800 > [ 93.309266] 3f40: 893c2cc0 004828c0 > 89161ea0 > [ 93.309267] 3f60: 1140 0050 88301000 > 1000 > [ 93.309269] 3f80: 1000 c85b2368 88d96fd0 > 4650 > [ 93.309270] 3fa0: 004558f0 c85b34b8 0048f000 > c85b2280 > [ 93.309271] 3fc0: 0042ec60 c85b2280 89161ea8 > 8000 > [ 93.309273] 3fe0: 8830 00ea 8007a7a33fe8 > > [ 93.309274]
[Bug 1575506] Re: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 00000038
** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Tags added: kernel-da-key xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575506 Title: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 0038 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575506/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1575506] Re: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 00000038
Ming - please try the kernel at http://people.canonical.com/~rtg/lp1575506/ - I've updated AUFS to the latest stable branch. Source at git://kernel.ubuntu.com/rtg/ubuntu- xenial.git aufs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575506 Title: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 0038 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575506/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 1575506] Re: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 00000038
On Wed, Apr 27, 2016 at 4:31 PM, Ming Lei <1575...@bugs.launchpad.net> wrote: > Upstream 4.6-rc6 hasn't this problem > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1575506 > > Title: > Xenial: ARM64: Unable to handle kernel NULL pointer dereference at > virtual address 0038 > > Status in linux package in Ubuntu: > Confirmed > > Bug description: > > When running 'stress-ng --all 64 -t 800 -v' on Xenial/ARM64, the following > kernel oops is triggered. > > > [ 93.309158] Unable to handle kernel NULL pointer dereference at virtual > address 0038 The issue is caused by the following commit: commit 3df6b7b72fd8cb3fd8dd1bee6916b1c91c74d441 Author: Tim Gardner Date: Wed Dec 2 07:28:37 2015 -0700 UBUNTU: SAUCE: AUFS Signed-off-by: Tim Gardner Once it is reverted, no oops is observed any more. Thanks, -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575506 Title: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 0038 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575506/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1575506] Re: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 00000038
Upstream 4.6-rc6 hasn't this problem -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575506 Title: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 0038 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575506/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1575506] Re: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 00000038
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575506 Title: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 0038 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575506/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1575506] Re: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 00000038
The issue can be reproduced on '4.4.0-22-generic #38' too -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1575506 Title: Xenial: ARM64: Unable to handle kernel NULL pointer dereference at virtual address 0038 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575506/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
