On Mon, Oct 21, 2019 at 5:09 PM Ranjan Ghosh <[email protected]> wrote:
>
> Hi all,
>
> it seems Ceph on Ubuntu Disco (19.04) with the most recent kernel
> 5.0.0-32 is instable. It crashes sometimes after a few hours, sometimes
> even after a few minutes. I found this bug here on CoreOS:
>
> https://github.com/coreos/bugs/issues/2616
>
> Which is exactly also the error message I get ("cache_from_obj: Wrong
> slab cache. inode_cache but object is from ceph_inode_info") and the
> problem seems fairly recent.
>
> The problem vanished immediately after downgrading the kernel again.
Hi Ranjan,
Which kernel did you downgrade to?
Looking at the changelog, disco's 5.0.0-32 kernel has the botched
backport mentioned in the coreos issue you linked to. Downgrading to
5.0.0-31 should help, until disco picks up the fix (either just the
revert or the revert plus the new backport).
Revert "ceph: use ceph_evict_inode to cleanup inode's resource"
ceph: use ceph_evict_inode to cleanup inode's resource
Thanks,
Ilya
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