Dear Andrew,

On 2020-04-07, Andrew Doran wrote:
> Hi Yorick.
> 
> On Mon, Apr 06, 2020 at 11:16:37PM +0200, Yorick Hardy wrote:
> 
> >    Crash version 9.99.54, image version 9.99.54.
> >    crash: _kvm_kvatop(0)
> >    Kernel compiled without options LOCKDEBUG.
> >    System panicked: vrelel: bad ref count
> >    Backtrace from time of crash is available.
> >    crash> bt
> >    _KERNEL_OPT_NAGR() at 0
> >    ?() at 7f7ff7ecf000
> >    sys_reboot() at sys_reboot
> >    vpanic() at vpanic+0x181
> >    vtryrele() at vtryrele
> >    vcache_dealloc() at vcache_dealloc
> >    uvm_unmap_detach() at uvm_unmap_detach+0x76
> >    uvm_unmap1() at uvm_unmap1+0x4e
> >    uvm_mremap() at uvm_mremap+0x36b
> >    sys_mremap() at sys_mremap+0x68
> >    syscall() at syscall+0x227
> >    --- syscall (number 411) ---
> >    7f0af7842e9a:
> 
> Were you running anything noteworthy at the time?  There is a very good
> chance that is fixed by revision 1.217 of src/sys/kern/vfs_lookup.c.
> 
> Thanks,
> Andrew

Thanks! It happens often when running wip/urlwatch, which keeps
the disk quite busy. I will try a new kernel as soon as I can free
up my computer!

-- 
Kind regards,

Yorick Hardy

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