> On 7. Feb 2022, at 07:18, Michael van Elst <mlel...@serpens.de> wrote: > > m...@eterna.com.au (matthew green) writes: > >> while rebooting a quartz64 with a usb attached disk that just >> had a about 3.5GB of data written to it, i the umass gave some >> errorse and then i got a panic shortly later: > >> [ 6179.6038961] Skipping crash dump on recursive panic >> [ 6179.6038961] panic: kernel diagnostic assertion "error =3D=3D EOPNOTSUP= >> P" failed: file "/usr/src/sys/kern/vfs_vnode.c", line 1120 = > > genfs_suspendctl() may return ENOENT if IMNT_GONE is set in mnt_iflag. > I'm not sure if mnt_iflag is even protected against concurrent access > but vrevoke() racing with dounmount() might be enough.
Flag IMNT_GONE is protected with suspension. Looks like the KASSERT should become "KASSERT(error == EOPNOTSUPP || error == ENOENT)" here. -- J. Hannken-Illjes - hann...@mailbox.org
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