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Xen dom0 broken in current


After updating my Xen Dom0 version to current, I get the following
panic sometimes (like 50%) when shutting down a guest domu (either
with physical or file disks):

login: xbd backend: detach device vnd1d for domain 6
panic: kernel diagnostic assertion "vp ==
vp->v_specnode->sn_dev->sd_bdevvp" failed: file
"/usr/src/sys/miscfs/specfs/spec_vnops.c", line 1013
cpu0: Begin traceback...
copyright() at ffffffff8098897d
uvm_fault(0xffffffff80c8c5a0, 0xffffa00000000000, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff8022d397 cs e030 rflags 10246 cr2
ffffa00000000008 cpl 0 rsp ffffa0002ae29240
Skipping crash dump on recursive panic
panic: trap
Faulted in mid-traceback; aborting...rebooting...
(XEN) Domain 0 shutdown: rebooting machine.

I've tried compiling the kernel without diagnostic, but the result is the same.

Regards, Roger.

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