Hi all, On 9/7/22 01:38, Ming Lei wrote: > On Wed, Sep 07, 2022 at 09:33:24AM +0200, Christoph Hellwig wrote: >> On Thu, Sep 01, 2022 at 03:06:08PM +0800, Ming Lei wrote: >>> It is a bit hard to associate the above commit with reported issue. >> >> So the messages clearly are about something trying to open a device >> that went away at the block layer, but somehow does not get removed >> in time by udev (which seems to be a userspace bug in CoreOS). But >> even with that we really should not hang. > > The new device should be allocated from md_probe() via blk_request_module(), > and the underlying devices are virtio-blk from the fedora BZ2121791. > > [1] https://bugzilla.redhat.com/show_bug.cgi?id=2121791 > > Thanks, > Ming > It would be really helpful if mdraid experts can write blktests so it will get tested in the nightly builds along with other tests with different distros. -ck
