2008/2/5, Yar Tikhiy <yar_at_comp.chem.msu.su>: > BTW, I seem to be hitting yet another lockmgr-related panic. > > My system won't reboot under certain conditions: it'll panic instead > in vfs_unmountall(). Namely it will panic if I reboot from single-user > mode while it'll reboot OK from multi-user mode. I have no idea > yet about the exact reason for the behaviour. The output from kgdb > attached. > > Note that this panic shouldn't be NTFS-related as I can trigger it > by typing `reboot' immediately after booting into single user. Yes, sorry for this. I know of this and I alredy patched my tree. I did the WITNESS stuff based on the assumption drained lock will never be release while they are. Unmounting is currently the only one consumer of LK_DRAIN I know of and I just need to do a WITNESS_LOCK() over there. I will provide you an updated patch about this problem and another one found by kris_at_. I will look later at the backtrace so we can go on. Thanks, Attilio -- Peace can only be achieved by understanding - A. EinsteinReceived on Tue Feb 05 2008 - 15:38:22 UTC
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