This version is no longer supported. If this is still reproducible on a
newer/supported version, please reopen.
** Changed in: linux (Ubuntu)
Status: Confirmed => Won't Fix
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Well, the question is, is it still there; on Saucy (3.11.0-4-generic #9):
# grep -i taint /var/log/kern.log
Aug 26 11:34:52 major vmunix: [0.903410] crc_itu_t: module verification
failed: signature and/or required key missing - tainting kernel
Aug 27 11:55:01 major vmunix: [0.903210] crc_i
Will someone please stop this robot closing the bug - it's still there!
Ignoring problems doesn't make them go away.
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Title:
Disabling lock debu
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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T
Hmm so I'm still seeing a taint on 3.9.0-7-generic #15-Ubuntu on Saucy;
it seems to be being triggered by the crc_itu_t module for no apparent
reason:
[0.865613] crc_itu_t: module verification failed: signature and/or
required key missing - tmeainting kernel
Is this the same bug or more speci
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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T
@Joseph - sorry for the delay, been moving house! I don't think
64748a2c9062da0c32b59c1b368a86fc4613b1e1 was being sent to stable, it
doesn't fix anything as it just gives you more info about it being
tainted.
The real fix will have to be in make-kpkg to stop it altering modules
after signing (b
@Chris, do you know if commit 64748a2c9062da0c32b59c1b368a86fc4613b1e1
will be sent to stable as well?
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Title:
Disabling lock debugging due to k
Hi there,
Thanks for finding my patch on LKML, two points:
1) The updated reporting has been incorporated upstream for 3.9 by Rusty
in commit 64748a2c9062da0c32b59c1b368a86fc4613b1e1.
2) Rusty additionally changed the code so that loading an unsigned
module no longer disables lockdep checking in
** Changed in: linux (Ubuntu)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
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Title:
Disabling lock debugging due to kernel taint
It seems the proper fix is still being discussed upstream:
https://lkml.org/lkml/2013/1/12/19
I'll await a final version of the patch then build a test kernel.
** Changed in: linux (Ubuntu)
Status: In Progress => Incomplete
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Thanks for finding that, Dave. Saves allot of time bisecting. I can
build a test kernel with that patch applied. I'll post a link to the
kernel here and test it myself as well.
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https:/
Joseph:
It looks like it is the mod sign stuff; see this lkml thread:
https://lkml.org/lkml/2013/1/11/132
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Title:
Disabling lock debugging due
* Joseph Salisbury (joseph.salisb...@canonical.com) wrote:
> I can reproduce this issue with Raring. It doesn't seem to happen with
> Quantal.
>
> The value of 2 for /proc/sys/kernel/tainted may indicate:
>
> #define TAINT_UNSAFE_SMP2
Be careful - I think that's a value that's s
I can reproduce this issue with Raring. It doesn't seem to happen with
Quantal.
The value of 2 for /proc/sys/kernel/tainted may indicate:
#define TAINT_UNSAFE_SMP2
Since I can reproduce the bug, I'll perform a kernel bisect to see what
commit introduced this regression.
** Tags
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu)
Status: Confirmed => In Progress
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** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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Title:
Disabling lock debugging due to kernel taint with no apparent cause
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