Actually, I was wrong, now the memory usage for GMail tab grew to 3 GB
with 20220329.git681281e4-0ubuntu3.6 as well, so it must be unrelated to
linux-firmware after all.
Sorry for the noise. You can close this bug and I'll have to go find
where the problem really came from.
--
You received this
Public bug reported:
Upgrading from 20220329.git681281e4-0ubuntu3.6 to
20220329.git681281e4-0ubuntu3.7 caused the memory usage for a GMail tab
in Firefox to go from 300-400 MB to 3 GB. I saw a similar large increase
in memory usage in Chromium.
I suspect some bug is being triggered in the Intel d
Anyone know what happened to Aaron's patch? The discussion at
https://patchwork.kernel.org/patch/10822515/ ends on November last year
with this question from Kai-Heng:
> Users reported that patch [1/2] alone can solve the issue.
>
> Do we need more information before making this fix merged?
>
>
👍
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1885010
Title:
NULL deference in nfs4_get_valid_delegation
Status in linux package in Ubuntu:
Fix Released
Status in linux source pack
The test on 5.4.0-40.44 from focal-proposed was successful, so I would
say that the fix did it. Thanks for including it!
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https://bugs.launchpad.net/bugs/1885010
Title:
NUL
The long production job with the custom built kernel finished
successfully. I'm very confident this fixes our issue. Now running with
5.4.0-40.44 from focal-proposed as a test. I'll let it run for a few
hours. It usually hits the crash in an hour or so.
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You received this bug notification becau
Ah, I would really like to get this job that is running done first. It's
processing some data we need to ideally should deliver on Monday. It's
looking good so far, so I'm quite confident the fix is good.
When it's done processing, I can give 5.4.0-40 from proposed a try and
restart the job again.
No worries Guilherme, that explains it.
I've now built my own kernel from the Ubuntu-5.4.0-38.42 Git tag, which
I've verified includes the fix. I'm running our workload again with this
kernel and will know within a few hours whether it's looking good. The
job as a whole is going to take the full w
Hi Matthew, thanks a lot for looking into this. Like you, I looked at
Git to double-check, and thought the fix was in there, but it was next
on my list to actually double-double-check, since I thought it so
strange the issue wasn't gone.
Thanks for offering to build a test kernel! I will have a go
I'm sad to say, but it seems it did not fix our problem. The crash
happened again after running for about an hour:
[ 4914.661585] BUG: unable to handle page fault for address: ffb0
[ 4914.661620] #PF: supervisor read access in kernel mode
[ 4914.661638] #PF: error_code(0x) - not-pr
Thanks Guilherme, shame on me for not even checking that :)
I will try with 5.4.0-39 and report back. It takes a while for our
workload to run before it starts hitting the issue, but I can give a
somewhat confident answer in an hour or so. By tomorrow I will be very
sure. I'm optimistic.
--
You
Public bug reported:
We are getting the following on an NFSv4 client running focal (kernel
5.4.0-33.37):
[296787.347971] BUG: unable to handle page fault for address: ffb0
[296787.350255] #PF: supervisor read access in kernel mode
[296787.352315] #PF: error_code(0x) - not-present
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