On 15/12/16 00:49, Ben Hutchings wrote: > Control: tag -1 moreinfo > > On Fri, 9 Dec 2016 09:35:40 +0100 Daniel Pocock <dan...@pocock.pro> > wrote: >> Package: linux Version: 3.16.36-1+deb8u1 Severity: important >> >> The system is an NFS server running linux-image-3.16.0-4-amd64 >> >> At times of heavy load on NFS, such as "git checkout some-branch" >> in a large repository, the system crashes (dmesg output >> attached). It has been happening regularly since the upgrade to >> jessie and with every kernel released through stable updates. I >> don't recall seeing this in wheezy. >> >> I've installed kdump-tools. Sometimes it captures the dmesg >> output, a recent example from a crash on 2016-12-02 is attached. >> I'm not sure if the crashes without /var/crash logs are the same >> bug. >> >> The same crash was reported[1] on linux-fsdevel by another Debian >> user. > > Can you test the attached patches? The first is the one J. Bruce > Fields pointed to and the second is in the same area; both of them > went upstream in 3.17. > > Instructions for rebuilding the kernel with patches: > https://kernel-handbook.alioth.debian.org/ch-common-tasks.html#s-common-official > > Thanks for this feedback. If the backport kernel continues working for me I'm not going to have time to test this in the near future as there are a lot of other things that don't have such a workaround and need more urgent attention.
If anybody else comes across this bug and really wants to stay on the stable kernel then I would encourage you to test this and give feedback.
