No kernel oops with 4.13.0-19-TwoReverts after 24h
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Title:
Kernel Oops with 17.10
Status in linux package in Ubuntu:
In Progress
I can confirm a crash with the default 4.13.0-19-generic kernel
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Title:
Kernel Oops with 17.10
Status in linux package in Ubuntu:
I just triggered a kernel oops with 4.13.0-17, but the system remains
responsive afterwards:
[ 18.645733] random: crng init done
[ 76.860979] BUG: unable to handle kernel paging request at ea15932d2020
[ 76.861025] IP: kfree+0x53/0x160
[ 76.861039] PGD 0
[ 76.861040] P4D 0
[
I was unable to trigger the bug with the 4.13.0-19-TwoReverts kernel
(one hour of observation).
The stack traces in bug 1734327 look very similar to the ones I see,
like that bug I have one machine that triggers the bug (kernel panic
within 5 minutes of internet usage), and one that doesn't. I
I am travelling right now, and I won't be able to try the test kernel
until after Christmas.
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Title:
Kernel Oops with 17.10
Status
Is the ubuntu kernel built with 4.13 mainline plus a series of patches,
and I could rebuild the kernel while bisecting that set of patches? Or
is the situation more complicated than that?
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I've been unable to reproduce the bug with 4.13-rc1
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Title:
Kernel Oops with 17.10
Status in linux package in Ubuntu:
Triaged
I do have a crashkernel dump of 4.13.0-16-generic
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Title:
Kernel Oops with 17.10
Status in linux package in Ubuntu:
Triaged
I have been able to reproduce the problem with 4.13 mainline so far
I managed to capture a kernel dump with stock 4.13.0-16-generic
This is a MacBook, I managed to get a similar error with a thunderbolt-
ethernet adapter instead of wifi. I have captured a second backtrace
with netconsole
[
sorry, I have been _unable_ to reproduce with 4.13 mainline
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Title:
Kernel Oops with 17.10
Status in linux package in Ubuntu:
no crashes with 4.14-rc1 either
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Title:
Kernel Oops with 17.10
Status in linux package in Ubuntu:
Triaged
Status in linux source
currently testing 4.14-rc4 (no crash kernel), no crashes so far (I can
still trigger the problem with 4.13)
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Title:
Kernel Oops
specifically, adding or removing the option "crashkernel=384M-:128M"
seems to affect my ability to trigger the bug
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Title:
Kernel
Unfortunately, I am no longer sure the issue is fixed at all, as opposed
to it just gets no longer triggered: I changed back to the stock kernel
affected by the bug, but changed boot parameters to capture a kernel
dump with a crash kernel - and now I get days of uptime without the
kernel oops.
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** Tags added: kernel-fixed-upstream
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Title:
Kernel Oops with 17.10
Status in linux package in Ubuntu:
Confirmed
Bug
trying to reproduce with http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.14-rc8/
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Title:
Kernel Oops with 17.10
Status in linux
xorg was auto selected when I used apport and said "freeze"
** Package changed: xorg (Ubuntu) => linux (Ubuntu)
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Title:
Kernel
[ 305.778878] BUG: unable to handle kernel paging request at f9cafc20
[ 305.778915] IP: kfree+0x53/0x160
[ 305.778924] PGD 0
[ 305.778924] P4D 0
[ 305.778939] Oops: [#1] SMP
[ 305.778948] Modules linked in: rfcomm cmac bnep binfmt_misc
intel_spi_platform intel_spi spi_nor
I boot, I connect to wifi, I browse the internet, freeze happens within
minutes
had no similar issue with Ubuntu 17.04 before update
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