Thread (34 messages) 34 messages, 5 authors, 2020-09-22

Re: [PATCH v3 00/11] Fix PM hibernation in Xen guests

From: boris.ostrovsky@oracle.com
Date: 2020-09-11 15:27:07
Also in: linux-mm, linux-pm, lkml, xen-devel

On 8/21/20 6:22 PM, Anchal Agarwal wrote:
Known issues:
1.KASLR causes intermittent hibernation failures. VM fails to resumes and
has to be restarted. I will investigate this issue separately and shouldn't
be a blocker for this patch series.

Is there any change in status for this? This has been noted since January.


-boris

2. During hibernation, I observed sometimes that freezing of tasks fails due
to busy XFS workqueuei[xfs-cil/xfs-sync]. This is also intermittent may be 1
out of 200 runs and hibernation is aborted in this case. Re-trying hibernation
may work. Also, this is a known issue with hibernation and some
filesystems like XFS has been discussed by the community for years with not an
effectve resolution at this point.
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