** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu Xenial)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1709626
Hey Joseph,
after we switched to Kernel 4.4.0-31-generic everything is working fine
for now. I think we can close this bugreport because the bug is related
to the GPFS Kernel Modules which weren't tested properly on
4.4.0-87-generic.
Thanks for your support!
Regards,
Erik
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Hi,
today we switched to kernel 4.4.0-31-generic. IBM told us to use this
kernel in conjunction with GPFS. We'll see if it helps ...
I'll update this post next week.
Regards,
Erik
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We should be able to perform a kernel bisect to identify the commit that
introduced this regression. You say this bug did not exist in 4.4.0-71,
but it does exist in 4.4.0-87. To perform a bisect, we need to identify
the last kernel version that did not have the bug and the first that
did. Can
Hey Joseph,
i setup two new docker Hosts with the upstram Kernel u mentioned in you
last post. They are working fine for some days now. Today i tried
updating the environment running into the kernel oops but got a compile
error on the GPFS Kernel Module.
Hey Joseph,
I will test the latest upstream kernel.
I think the problem wasn't there on version: 4.4.0-71-generic. With this
kernel we had another problem which was fixed in 4.4.0-87-generic so we
switched over to this version.
Will update this report in a few days.
Thanks in advance
Erik
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Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.13
Full trace:
[14900.892616] BUG: unable to handle kernel paging request at 0001000d
[14900.892667] IP: [] free_pipe_info+0x57/0x90
[14900.892703] PGD 480386067 PUD 0
[14900.892724] Oops: [#1] SMP
[14900.892744] Modules linked in: xt_REDIRECT nf_nat_redirect cfg80211 seqiv
