Also, search for this topic on the list. Ubuntu Disco with most recent Kernel 5.0.0-32 seems to be instable
On Thu, Oct 24, 2019 at 10:45 AM Paul Emmerich <paul.emmer...@croit.io> wrote: > Could it be related to the broken backport as described in > https://tracker.ceph.com/issues/40102 ? > > (It did affect 4.19, not sure about 5.0) > > Paul > > -- > Paul Emmerich > > Looking for help with your Ceph cluster? Contact us at https://croit.io > > croit GmbH > Freseniusstr. 31h > 81247 München > www.croit.io > Tel: +49 89 1896585 90 > > On Thu, Oct 24, 2019 at 4:23 PM Christopher Wieringa > <cwier...@calvin.edu> 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) > > > > > > > > Also, any suggestions for how to get a log for this are appreciated. > > > > > > > > Chris Wieringa > > > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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