On Tue, Apr 22, 2025 at 07:51:49AM +0200, hch wrote: > On Tue, Apr 22, 2025 at 05:03:19AM +0000, Shinichiro Kawasaki wrote: > > I ran blktests with the kernel v6.15-rc3, and found the test case md/001 hangs. > > The hang is recreated in stable manner. I bisected and found this patch as the > > commit 777d0961ff95 is the trigger. When I revert the commit from v6.15-rc3 > > kernel, the hang disappeared. > > > > Actions for fix will be appreciated. > > > > FYI, the kernel INFO messages recorded functions relevant to the trigger commit, > > such as bdev_statx or vfs_getattr_nosec [1]. > > This should fix it: FWIW, I was also about to report the same problem. Any reboot with dm targets hangs. Your patch fixes it also for me. Tested-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
