On 10/9/20 7:54 PM, Eric van Gyzen wrote: > On 10/9/20 6:27 PM, Ryan Moeller wrote: >> >> On 10/9/20 6:22 PM, Alan Somers wrote: >>> This sounds like it might be a regression introduced by the OpenZFS >>> merge. >>> Have you compared vdev_geom.c in OpenZFS vs the old version? >>> -Alan >> >> >> I don't think vdev_geom.c is involved, we're taking a wrong path in >> zvol_os.c because >> it seems the volume is created using the default volmode and later >> changed to volmode=dev. > > Yes, you're on the right track. I tried this several times on a VM and > it eventually hit the window: > > # zfs create -s -V 20G -o primarycache=none -o volmode=dev > head_root/testvol > zvol_create_minor_impl:1250[1]: Creating ZVOL head_root/testvol... > zvol_create_minor_impl:1371[1]: ZVOL head_root/testvol created. > > > Fatal trap 12: page fault while in kernel mode Let's track this in https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=250297 EricReceived on Mon Oct 12 2020 - 13:27:31 UTC
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