Hi Yorick. On Sat, Apr 18, 2020 at 11:00:02AM +0200, Yorick Hardy wrote:
> > I just had the same panic with 9.99.55: > > > > Crash version 9.99.55, image version 9.99.55. > > 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) --- > > 797459842e9a: > > crash> > > The same just happened on 9.99.56 while fetching (POP) mail using mail/fdm. Could you file a PR please? If this panics again could you please run the "dmesg" command in crash and find out what it printed about the vnode? That would be very useful. Thanks, Andrew