** Description changed:
Every time I update ubuntu 13.10 using sudo aptitude update && sudo
aptitude safe-upgrade, my pc freezes with a kernel panic: trying to kill
init. The error code is ff00. So far this has happened 4 or 5 times,
always when installing updates.
+
+ WORKAROUND: Use
This problem is only reproducable while using init=/sbin/e4rat-preload.
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Title:
kernel panic when updating
Status in “linux” packag
Redmar, if you remove all non-default kernel parameters (ex. init=/sbin
/e4rat-preload) is this problem still reproducible?
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Title:
I was just able to reproduce the problem by using e4rat instead of
ureadahead, and installing updates which included libc6.
:$cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-3.10.0-5-generic
root=UUID=11fd08db-f2a5-45bc-8daf-7baa813ba410 ro quiet splash
init=/sbin/e4rat-preload vt.handoff=7
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No, this problem did not occur before I upgraded to Saucy.
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Title:
kernel panic when updating
Status in “linux” package in Ubuntu:
Redmar, did this problem not occur in a release prior to Saucy?
** Tags removed: kernel-bug-exists-upstream
** Tags added: needs-upstream-testing
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I cannot install any new software, since dpkg got interrupted mid-
upgrade and calling 'dpkg --configure -a' triggers the kernel panic.
I've been trying to reproduce the panic on a fresh install of the daily
build on an external drive, but so far without success.
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Redmar, you wouldn't necessarily have to reinstall Ubuntu. But, simply
install the mainline kernel previously noted, and see if this is
reproducible.
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It looks like the panic only occurs when updating libc6. I found this
out because usually after the panic, I run 'sudo dpkg --configure -a'
and I can continue the update, but since the last panic dpkg starts by
configuring libc6, and then the panic occurs again. So at this point,
the panic is 100%
Redmar, could you please test the latest mainline kernel via
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11-rc3-saucy/ ?
** Tags removed: needs-reverse-bisect
** Tags removed: kernel-bug-exists-upstream-3.11.0-rc2
** Tags added: kernel-bug-exists-upstream-v3.11-rc2
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Looks like a correction is in order, I just had a kernel panic while
running the mainline kernel. While the problem always occurs while
updating, it does not occur on every update, so it's hard to reproduce.
I've typed over the exact error messages I get on screen when it
happens:
[ 595.024498]
Redmar, thank you for testing the mainline kernel. The next step would
be to find the earliest upstream kernel version that fixed your problem
(reverse mainline kernel version bisect). Could you please do this
following https://wiki.ubuntu.com/Kernel/KernelBisection ?
** Changed in: linux (Ubuntu)
** Tags removed: needs-upstream-testing
** Tags added: kernel-fixed-upstream kernel-fixed-upstream-3.11.0-rc2
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Also, can you get a screen capture or digital photo of the panic?
** Changed in: linux (Ubuntu)
Importance: Undecided => High
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Tit
Redmar, could you please test the latest upstream kernel available following
https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional
upstream developers to examine the issue. Please do not test the kernel in the
mainline kernels archive directory daily folder, but the one all the
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