Re: [Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

unsubscribe 2015-12-18 3:10 GMT-05:00 Fede <922...@bugs.launchpad.net>: > I had this problem repeatedly even after this ticked was closed. So I > switched to Debian wheezy and never had the problem again. > > Regards, > Fede > > On Fri, Dec 18, 2015 at 2:40 AM, Christopher M. Penalver >

Re: [Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

I had this problem repeatedly even after this ticked was closed. So I switched to Debian wheezy and never had the problem again. Regards, Fede On Fri, Dec 18, 2015 at 2:40 AM, Christopher M. Penalver wrote: > Federico Ceratto, as this report is closed, it has

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

I ran in a similar bug while running inotifywait on kernel: 3.19.0-30-generic #34-Ubuntu SMP Fri Oct 2 22:08:41 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux -- [3975766.571492] BUG: unable to handle kernel paging request at 812363a7 [3975766.571500] IP: [<812363a7>] 0x812363a7

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Federico Ceratto, as this report is closed, it has nothing to do with your problem. However, it will help immensely if you filed a new report via a terminal: ubuntu-bug linux Please feel free to subscribe me to it. -- You received this bug notification because you are a member of Ubuntu Bugs,

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Changed in: linux Status: Expired = Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

This bug was fixed in the package linux - 3.2.0-36.57 --- linux (3.2.0-36.57) precise-proposed; urgency=low [Luis Henriques] * Release Tracking Bug - LP: #1097389 [ Chris J Arges ] * Revert SAUCE: fsnotify: dont put marks on temporary list when clearing marks by

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

This bug was fixed in the package linux - 3.5.0-22.34 --- linux (3.5.0-22.34) quantal-proposed; urgency=low [Luis Henriques] * Release Tracking Bug - LP: #1097343 [ Chris J Arges ] * Revert SAUCE: fsnotify: dont put marks on temporary list when clearing marks by

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Tags removed: verification-needed-precise verification-needed-quantal ** Tags added: verification-done-precise verification-done-quantal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title:

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

There's a new Quantal kernel available in -proposed that should finally fix this issue. I'm tagging this bug with 'verification-needed-precise' again; anyone available to test this new kernel, please follow the instructions in comment #34. ** Tags removed: verification-reverted-quantal ** Tags

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

There's a new Precise kernel available in -proposed that should finally fix this issue. I'm tagging this bug with 'verification-needed-precise' again; anyone available to test this new kernel, please follow the instructions in comment #35. The Quantal kernel should be available soon. ** Tags

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Master, I believe the kernel oops you're hitting is actually a different bug... Luis, my bug #928943, but someone is mark as duplicate this bug. ...Could you try to reproduce it by disabling/disconnecting any bluetooth device you have? All others devises (smartphone, handsfree set, computer

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Master, I've took a look at your original bug report and its incorrectly tagged as duplicate of this one. I've fixed that and posted there a test kernel for you. Thank you for all your testing. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Master, I believe the kernel oops you're hitting is actually a different bug, namely in the bluetooth hipd driver. Could you try to reproduce it by disabling/disconnecting any bluetooth device you have? It looks like you're hitting https://bugzilla.kernel.org/show_bug.cgi?id=39882 (which should

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Just for completeness, here's a link to a test case that makes it easy to reproduce this bug: https://lkml.org/lkml/2012/12/20/536 ** Tags removed: verification-needed-precise verification-needed-quantal ** Tags added: verification-failed-precise verification-failed-quantal ** Tags removed:

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

This bug is awaiting verification that the kernel for Quantal in -proposed solves the problem (3.5.0-22.33). Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-quantal' to 'verification-done-quantal'. If verification is not

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

This bug is awaiting verification that the kernel for Precise in -proposed solves the problem (3.2.0-36.56). Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-precise' to 'verification-done-precise'. If verification is not

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

amd64 verification-done-quantal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 009c; EIP is at

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

[ 309.707808] BUG: unable to handle kernel NULL pointer dereference at (null) [ 309.707898] IP: [8103ec49] __ticket_spin_lock+0x9/0x30 [ 309.708341] Pid: 2284, comm: khidpd_04580058 Not tainted 3.2.0-36-generic #56-Ubuntu Acer, inc. Aspire 5570 /Prespa1 [

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Master, I believe your comment #37 means that the issue isn't fixed in the Precise kernel. Is that correct? Could you please post a complet dmesg? It looks like Karma Dorje verified that the issue is solved in Quantal (comment #36), and after comparing both kernels (Precise and Quantal), they

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Luis, yes, the problem still exists in the Precise. For Quantal this oops too occurs. With 3.8-rc2-raring all work... dmesg (3.2.0-36.56): [ 309.707808] BUG: unable to handle kernel NULL pointer dereference at (null) [ 309.707898] IP: [8103ec49] __ticket_spin_lock+0x9/0x30

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Hi, fixed? or... [0.00] Linux version 3.7.1-030701-generic (root@gomeisa) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201212171620 SMP Mon Dec 17 21:21:30 UTC 2012 [ 111.935218] BUG: unable to handle kernel NULL pointer dereference at (null) [ 111.935273] IP:

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

@umely, Doesn't look like you are running a stock kernel (3.7.1-030701-generic) Do you know if this kernel you were running had appropriate patches that were recently committed? If not where is the git tree? In addition I'm doing a respin of this fix using mainline patches for quantal/precise.

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

I'm running kernel from http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7.1-raring/ This is it? If not, where had fixed kernel? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

All works in daily build (04.01.13) Thanks, wait fix for precise... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Branch linked: lp:ubuntu/precise-proposed/linux-lts-quantal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

These patches have been merged into mainline: https://lkml.org/lkml/2012/12/20/439 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Tags removed: kernel-key -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 009c; EIP is at

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Branch linked: lp:ubuntu/linux-ppc -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 009c; EIP is at

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Description changed: This happened after unplugging a usb storage device. ProblemType: KernelOops DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-11-generic 3.2.0-11.19 ProcVersionSignature: Ubuntu 3.2.0-11.19-generic 3.2.1 Uname: Linux 3.2.0-11-generic i686

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Changed in: linux (Ubuntu Precise) Status: In Progress = Fix Committed ** Changed in: linux (Ubuntu Quantal) Status: In Progress = Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Changed in: linux (Ubuntu Raring) Status: In Progress = Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

This bug was fixed in the package linux - 3.7.0-5.13 --- linux (3.7.0-5.13) raring; urgency=low [ Lino Sanfilippo ] * SAUCE: inotify, fanotify: replace fsnotify_put_group() with fsnotify_destroy_group() - LP: #922906 * SAUCE: fsnotify: introduce fsnotify_get_group()

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Branch linked: lp:ubuntu/linux-lowlatency -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 009c; EIP is at

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Some duplication of this bug, like: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1074077 and like mine: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1080358 have a following line: sdb: detected capacity change from X to 0 It is an easily reproducible part of same duplication, so i

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Changed in: linux (Ubuntu Quantal) Status: Triaged = In Progress ** Changed in: linux (Ubuntu Quantal) Assignee: (unassigned) = Chris J Arges (christopherarges) ** Changed in: linux (Ubuntu Precise) Status: Triaged = In Progress ** Changed in: linux (Ubuntu Precise)

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Message I sent asking about the patch set. https://lists.ubuntu.com/archives/kernel-team/2012-November/022823.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG:

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Follow up email: https://lists.ubuntu.com/archives/kernel-team/2012-November/023395.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Tags added: kernel-key -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 009c; EIP is at

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Also affects: linux (Ubuntu Quantal) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Raring) Importance: High Status: Triaged ** Changed in: linux (Ubuntu Quantal) Status: New = Triaged ** Changed in: linux (Ubuntu Quantal) Importance: Undecided

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Tags added: quantal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 009c; EIP is at

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Tags removed: kernel-key -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 009c; EIP is at

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Changed in: linux Status: In Progress = Expired -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

Seeing something similar with kernel version 3.2.0-27-generic #43-Ubuntu Dell Inc. Vostro 470/0YJPT1 I get a general protection fault, not an oops, but the same __ticket_spin_lock appears. This has happened to me twice today. I installed Ubuntu 12.04 on this machine two days ago and haven't

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

@g-harvey This seems to be different problem. Could you please fill a new bug? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL pointer

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Changed in: linux (Ubuntu) Status: Incomplete = Triaged ** Changed in: linux (Ubuntu Precise) Status: Incomplete = Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

I have caught the similar (or even the same) problem once with _ Linux version 3.0.0-12-generic (buildd@vernadsky) (gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3) ) #20-Ubuntu SMP Fri Oct 7 14:50:42 UTC 2011 (Ubuntu 3.0.0-12.20-generic

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

@uusijani, the problem you're facing seems to be a different one. The original one was a race condition on the fsnotify that caused a NULL pointer. Your current log points to a different issue related with poll()'ing, probably a duplicated of one of bugs #968825, #974014, #975047, #947958, ...

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

I've just hit the Oops (__ticket_spin_lock+0x9/0x30) with the kernel linked to from #11. I'll attach the syslog from after reboot to this comment. Had been running the apw build since Monday this week (7 days now) without problems. ** Attachment added: syslog with Oops in

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

@awp — using the test application is available on the https://bugzilla.kernel.org/show_bug.cgi?id=22602 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

s/awp/apw/ sorry. first encountered this problem using kernel 2.6.38 on my laptop. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

I am able to reproduce the issue very easily using the test application available at https://bugzilla.kernel.org/show_bug.cgi?id=22602 on a virtual machine with a single CPU (haven't tried with multiple CPUs). Using apw test kernel, I am not able to reproduce it anymore. -- You received this

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

I'm still getting the kernel oops (#977123) with the apw kernel. I'm removing the duplicate status since it does not seem to be a duplicate. All the patches I've seen in the apw kernel have to do with inotify/fsnotify. I'm triggering the bug by connecting a bluetooth mouse. The problem seems to be

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

@karma -- how often does this normally reproduce for you without the fixes applied? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle kernel NULL

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

I posted a comment to all of the duplicate bugs, asking the bug report to test Andy's test kernel. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel Oops - BUG: unable to handle

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

The problem I reported (Bug #948308) is no longer happening on a 12.04 standard install. Is there any point in that case in installing the test kernel? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

% uname -rmv 3.2.0-23-generic #36lp922906v201204101802 SMP Tue Apr 10 17:10:23 UTC 2012 x86_64 the second day of testing. so far so good. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title:

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

I have found and picked up the nine (*weep*) patches indicated by Joe in comment #8 and applied them to the precise kernel. Could those of you who are able to trigger this test the kernels below and let me know if they work any better for you. Please test the kernels at the URL below and report

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Attachment added: oops text https://bugs.launchpad.net/ubuntu/+source/linux/+bug/922906/+attachment/301/+files/oops.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922906 Title: Kernel

[Bug 922906] Re: Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 0000009c; EIP is at __ticket_spin_lock+0x8/0x30

** Summary changed: - BUG: unable to handle kernel NULL pointer dereference at 009c + Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at 009c; EIP is at __ticket_spin_lock+0x8/0x30 ** Tags added: metabug -- You received this bug notification because you are a