I finally took the time to report the bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1851470 On 29/10/2019 10:44, Simon Oosthoek wrote: > On 24/10/2019 16:23, Christopher Wieringa wrote: >> Hello all, >> >> >> >> I’ve been using the Ceph kernel modules in Ubuntu to load a CephFS >> filesystem quite successfully for several months. Yesterday, I went >> through a round of updates on my Ubuntu 18.04 machines, which loaded >> linux-image-5.0.0-32-generic as the kernel. I’m noticing that while the >> kernel boots and the CephFS filesystem is mounted successfully, any >> actual file traffic between client/servers is causing the client to hard >> lock without any kernel panics seen in the logs. Downgrading to >> linux-image-5.0.0-31-generic fixes the issue. >> >> I’m planning on trying to figure out how to get a crash kernel running >> and see if I can generate a log file of some sort, but just wondering if >> anyone else mounting Ubuntu 18.04 and CephFS via kernel modules could >> replicate this crashing behavior in their environment. I don’t have >> experience in setting up crash kernels or even in filing Ubuntu kernel >> bugs, so I thought I’d ask this list to see if someone else can >> replicate this. >> >> My Setup: >> Ubuntu 18.04.3 LTS amd64 >> >> Kernel: linux-image-5.0.0-32-generic (installed through the >> linux-generic-hwe-18.04 metapackage) >> >> Number of machines affected/replicated the lockup issues: >100 (three >> generations of desktop computers, and multiple virtual machines as well) >> > > Hi Chris, > > we have noticed the same thing on our VMs using this kernel. The > previous kernel 5.0.0-31 was ok, but 5.0.0-32 seems broken when using > ceph mounts and using them. > > Did you report the bug to Canonical yet? I think they should fix their > kernel issue, but they do need to know first ;-) > > Cheers > > /Simon > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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