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
