Thanks for the full log. Unfortunately won't be able to look at it today. But
updated the kernel at least.
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** Attachment added: "dmesg_geode_37bug396286v2.txt"
http://launchpadlibrarian.net/33298580/dmesg_geode_37bug396286v2.txt
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Occurrences spotted with 37v2:
<4>[3.180243] sda1 sda2 < sda5 >
<5>[3.209382] sd 0:0:0:0: [sda] Attached SCSI disk
<6>[3.209462] Freeing unused kernel memory: 540k freed
<6>[3.210813] Write protecting the kernel text: 4548k
<6>[3.211102] Write protecting the kernel read-only d
Stefan, thanks for the updated kernel. I'll test this shortly and report
here on the results. Meanwhile, could this please be re-based against
kernel 2.6.31-12-generic while we're at it?
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I might as well assign that to me by now.
** Changed in: linux (Ubuntu)
Assignee: Leann Ogasawara (leannogasawara) => Stefan Bader
(stefan-bader-canonical)
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Hi Martin-Éric, looks like at the time of destroy_inode there is no path
information left anymore. So I created a new version which checks on
every inode access. Maybe this gives a little more insight. Could you
try to run the v2 version of the kernel for me? Thanks
--
2.6.31-generic: kernel pani
Martin-Éric Racine wrote:
> Stefan, adding "apparmor=0" to cmdline did not produce any noticable
> change:
Alright, it was probably unlikely as this would have affected more people. And
the same code seems to run well on other systems. But it was worth a try, just
as it happens so close to those
Stefan, adding "apparmor=0" to cmdline did not produce any noticable
change:
[6.627144] EXT3-fs: mounted filesystem with writeback data mode.
[8.308111] bad i_default_acl pointer = b4ff
[8.308133] on
[8.308689] bad i_default_acl pointer = b4ff
[8.308705] on
[8.317
Akdo, your issue is completely unrelated to this one.
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Hi, I've reported the duplicate bug after this one ( although I make
some research before ) and I think I have more information on this
issue, Bug #406484
We just have the same Wireless device ! Evil device !
Bus 001 Device 002: ID 0ace:1215 ZyDAS WLA-54L 802.11bg
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2.6.31-generic: kernel pani
Hm, unfortunately my filename printing was not very successful. Though
somehow it looks related to apparmor. Could you try to boot with
"apparmor=0" and check dmesg for those bad pointer messages?
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You
PS: I just added dmesg.boot and dmesg.current using apport-collect,
based on output from 37bug396286v1. I hope this provides useful
information.
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Linux geode 2.6.31-11-generic #37bug396286v1 SMP Tue Sep 29 13:43:37 UTC
2009 i586
Boots fine.
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As for the last debug kernel. This unfortunately contained a copy and
paste error which failed to check the i_default_acl pointer.
Interestingly I would have expected this would be no problem as the
previous tests seemed to indicate only the first of the two got
corrupted. I am currently uploading
This is the patch used to avoid the crash by moving the new pointers to
the end of the inode structure. Though I would think this won't give new
reactions from upstream. They pretty much should have guessed this.
** Attachment added: "Patch to move i_acl pointers to the end of the inode
structure
Stefan, we're already aware that simply shuffling the structure as you
did for 2.6.31-10.32bug396286v2 probably only masks the real issue
rather than fixes it, but it would already be a good start to attach
this as a patch and to send it upstream for comments.
--
2.6.31-generic: kernel panic near
Martin-Éric Racine wrote:
> Stefan, could you please attach your 2.6.31-10.32bug396286v2 diff to
I am traveling this week and unfortunately seem to have the patch on another
box. Getting that crash mean it is not really working as I intended it to do
and I have to have another look at it. But I
Stefan, could you please attach your 2.6.31-10.32bug396286v2 diff to
this bug?
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Stefan, sorry for not replying to this any sooner.
This one crashes in similar ways as before. However, there's one
interesting development: fsck of the root filesystem succeeds in
launching and it fixes errors. Then, the kernel crashes as follow:
BUG: unable to handle kernel paging request at ff
In order to hopefully find out more about this, I created a new kernel
that will (if things go as intended) catch the corruption cases without
crashes and also tries to gather more info. It replaces the other
kernels at http://people.canonical.com/~smb/bug396286/. Can you try that
and if it boots p
Martin-Éric, I added some info to the upstream bug. I believe the relevant
people are subscribed there as well and I don't think that change really is
something near a solution as this only prevents the immediate visibility of the
corruption. It still might happen but go unnoticed as the private
Stefan, could you submit those changes to the LKML, referring to the
above kernel.org bug number, but emphasizing that this might only be a
partial fix that only masks the real problem? I'm sure that Ingo
Molnar and Al Viro would have some constructive feedback.
--
2.6.31-generic: kernel panic ne
Just as memo in order to remember it after the weekend: The second kernel was
uploaded and did boot further but seemed to have other problems with apparmor
then. Not sure whether this is related or not.
The only change was to move the i_acl and i_default_acl to the end of the inode
structure, so
With that kernel, the result is:
BUG: unable to handle kernel paging request at b4ff
IP: [] __destroy_inode+0x72/0x110
*pde = 00817067 *pte =
Oops: [#1] SMP
last sysfs file: /sys/power/resume
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https://bugs.launchpad.net/b
Thanks Martin-Éric,
checking against the code this confirms that the bug occurs in
__destroy_inode at the following position:
232 void __destroy_inode(struct inode *inode)
233 {
234 BUG_ON(inode_has_buffers(inode));
235 ima_inode_free(inode);
236 securi
BUG: unable to handle kernel paging request at b4ff
IP: [] __destroy_inode+0x4b/0x80
*pde = 00810067 *pte =
Oops: [#1] SMP
last sysfs file: /sys/power/resume
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You received this bug no
Just to recap, this is on a host where / is an ext3 file system.
# /etc/fstab: static file system information.
#
#
proc/proc procdefaults0 0
# /dev/sda1
UUID=97b2628b-28a5-49f2-85f7-495728b3bef8 / ext3
relatime,errors=remoun
Still not fixed as of 2.6.31-10.31 a.k.a. upstream 2.6.31 final.
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Indeed, doesn't boot.
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Ok, please test this one:
http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/2009-06-19b/
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Bah, seeing you say it booted fine when I was expecting it to fail I
looked and realized I had the wrong patch queued, ugh :( So you just
tested f19d4a8fa6f9b6ccf54df0971c97ffcaa390b7b0~1 and indeed re-
confirmed what we already knew, that it boots fine. I'm sooo sorry I
wasted your time on that
Linux geode 2.6.30-999-generic #200909032144 SMP Thu Sep 3 21:35:39 UTC
2009 i586
Boots fine.
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Hi,
Can you try the following kernel build?
http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/2009-06-19a/
It's a build of f19d4a8fa6f9b6ccf54df0971c97ffcaa390b7b0 (the first bad
commit). I'm expecting it to crash. However it'll confirm
http://lkml.org/lkml/2009/8/16/252:
f19d4a8fa6f9b6cc
Still not fixed as of 2.6.31-9. Panic output similar to 2.6.31-6.
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Still not fixed as of 2.6.31-7. Panic output is the same as in
2.6.31-6.
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New snapshot, showing the current kernel panic on 2.6.31-6.
** Attachment added: "ubuntu_kernel_2.6.31-6.25.jpg"
http://launchpadlibrarian.net/30414918/ubuntu_kernel_2.6.31-6.25.jpg
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What if we reverse that specific commit against 2.4.31-rc6, as a test
(reverse-apply the change as a patch)?
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Ok, the bisect has narrowed down the following:
f19d4a8fa6f9b6ccf54df0971c97ffcaa390b7b0 is first bad commit
commit f19d4a8fa6f9b6ccf54df0971c97ffcaa390b7b0
Author: Al Viro
Date: Mon Jun 8 19:50:45 2009 -0400
add caching of ACLs in struct inode
No helpers, no conversions yet.
Linux geode 2.6.30-999-generic #200908141609 SMP Fri Aug 14 15:53:21 UTC
2009 i586
Boots successfully.
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http://kernel.ubuntu.com/~ogasawara/mainline/daily/lp396286/bisect3e63cbb
/linux-image-2.6.30-999-generic_2.6.30-999.200908141609_i386.deb
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Noted and understood.
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So I'm told we're using the Jaunty config within our mainline build
scripts. Mainly because if we used Karmic's config it would enable KMS
if someone happened to install it within Jaunty. So there is definitely
some discrepancy. Seeing as we have 1-2 more test builds to go I'd like
to finish iso
Hrm, that's odd. vesafb should be getting built as a module for the
test kernels, but apparently it isn't happening as you've noted. We'll
investigate.
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PS: would it be possible to include vesafb as a module in all test
kernels? Thank you!
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2.6.30-999.200908132259 does NOT boot. Snapshot attached.
** Attachment added: "2.6.30-999.200908132259.jpg"
http://launchpadlibrarian.net/30301657/2.6.30-999.200908132259.jpg
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Please test:
http://kernel.ubuntu.com/~ogasawara/mainline/daily/lp396286/bisectf19d4a8
/linux-image-2.6.30-999-generic_2.6.30-999.200908132259_i386.deb
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Linux geode 2.6.30-999-generic #200908131643 SMP Thu Aug 13 16:25:22 UTC
2009 i586
Boots successfully.
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Someone else said on the LKML:
> > http://launchpadlibrarian.net/30267494/2.6.31-5.24.jpg
>
> Hmm. This looks like a sysfs oops to my untrained eye.
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Next image:
http://kernel.ubuntu.com/~ogasawara/mainline/daily/lp396286/bisectf21f622
/linux-image-2.6.30-999-generic_2.6.30-999.200908131643_i386.deb
I unfortunately don't see the commit Ingo pointed out in the remaining
list of commits we're bisecting.
--
2.6.31-generic: kernel panic near the
Here's a larger snapshot of what I get with linux-image-2.6.31-5-generic
version 2.6.31-5.24 (based on upstream 2.6.31-rc5), thanks to vesafb and
a 1280x1024 framebuffer. The main advantage over the initial snapshot
is that it fits more lines of the crash into the visible area.
** Attachment adde
Ingo Molnar pointed out that the only Geode-specific commit he can spot
is this one:
d6c585a: x86: geode: Mark mfgpt irq IRQF_TIMER to prevent resume failure
Could this be our suspect?
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2.6.30-999.200908122359 does NOT boot. Snapshot attached.
** Attachment added: "2.6.30-999.200908122359.jpg"
http://launchpadlibrarian.net/30266260/2.6.30-999.200908122359.jpg
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** Changed in: linux
Status: Unknown => Confirmed
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** Bug watch added: Linux Kernel Bug Tracker #13941
http://bugzilla.kernel.org/show_bug.cgi?id=13941
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=13941
Importance: Unknown
Status: Unknown
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Thanks just a few more to go. . .
http://kernel.ubuntu.com/~ogasawara/mainline/daily/lp396286/bisect05fc079
/linux-image-2.6.30-999-generic_2.6.30-999.200908122359_i386.deb
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Linux geode 2.6.30-999-generic #200908121741 SMP Wed Aug 12 17:22:08 UTC
2009 i586
Boots successfully.
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Thanks, here's the next image:
http://kernel.ubuntu.com/~ogasawara/mainline/daily/lp396286/bisect09ce42d
/linux-image-2.6.30-999-generic_2.6.30-999.200908121741_i386.deb
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Linux geode 2.6.30-999-generic #200908112132 SMP Tue Aug 11 21:12:50 UTC
2009 i586
Boots successfully.
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Please test:
http://kernel.ubuntu.com/~ogasawara/mainline/daily/lp396286/bisectb7b700d
/linux-image-2.6.30-999-generic_2.6.30-999.200908112132_i386.deb
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2.6.30-999.200908110142 does NOT boot.
It also seems to fail at an earlier stage than 2.6.31-5 does. See
enclosed snapshot.
** Attachment added: "2.6.30-999.200908110142.jpg"
http://launchpadlibrarian.net/30151243/2.6.30-999.200908110142.jpg
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Sorry for the delay, here's the next image to test.
http://kernel.ubuntu.com/~ogasawara/mainline/daily/2009-06-24/linux-
image-2.6.30-999-generic_2.6.30-999.200908110142_i386.deb
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Linux geode 2.6.30-999-generic #200908071658 SMP Fri Aug 7 16:40:56 UTC
2009 i586
Boots successfully.
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Please test:
http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/2009-06-24/linux-
image-2.6.30-999-generic_2.6.30-999.200908071658_i386.deb
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2.6.31-5 has already been tested, as all other 2.6.31 that get pulled by
linux-generic. Kernel panic.
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While waiting for the final test build, might not hurt to verify this
remains with the latest 2.6.31-5 kernel. Thanks.
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Linux geode 2.6.30-999-generic #200908071146 SMP Fri Aug 7 11:29:56 UTC
2009 i586
Boots successfully.
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Please test:
http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/2009-06-23/linux-
image-2.6.30-999-generic_2.6.30-999.200908071146_i386.deb
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Thanks for the quick testing and feedback. Queuing next build.
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Linux geode 2.6.30-999-generic #200908061755 SMP Thu Aug 6 17:39:31 UTC
2009 i586
Boots successfully.
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Sorry for the delay. Please test:
http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/2009-06-22/linux-
image-2.6.30-999-generic_2.6.30-999.200908061755_i386.deb
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Thanks, I'll queue up the next one. Will post when we have an image.
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Linux geode 2.6.30-999-generic #200908051216 SMP Wed Aug 5 11:59:01 UTC
2009 i586
Boots successfully.
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Thanks, now how about this one?
http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/2009-06-20/linux-
image-2.6.30-999-generic_2.6.30-999.200908051216_i386.deb
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Linux geode 2.6.30-999-generic #200908041829 SMP Wed Aug 5 08:58:04 UTC
2009 i586
Boots successfully.
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Can you now test the following and let us know your results?
http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/2009-06-16/linux-
image-2.6.30-999-generic_2.6.30-999.200908041829_i386.deb
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FYI, this is the kernel module set that is pulled in by udev. I thought
that it might be useful to add it here.
** Attachment added: "lsmod.txt"
http://launchpadlibrarian.net/29897573/lsmod.txt
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Y
Linux geode 2.6.30-999-generic #200908041153 SMP Tue Aug 4 12:48:19 UTC
2009 i586
This one booted successfully. Hurray!
I'm curious, what was the change that enabled it? Could someone attach a
unified diff?
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** Summary changed:
- kernel 2.6.31-generic oops after loading initramfs
+ 2.6.31-generic: kernel panic near the end of initramfs execution
** Summary changed:
- 2.6.31-generic: kernel panic near the end of initramfs execution
+ 2.6.31-generic: kernel panic near the end of initramfs run
** Summ
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