Quoting Dmitry Morozovsky <[EMAIL PROTECTED]>:
On Mon, 24 Apr 2006, Kris Kennaway wrote:
KK> Also you should add DEBUG_LOCKS and DEBUG_VFS_LOCKS on the off chance
KK> they catch the problem.
I got one thought about the source of these hangs/crashes: this
machine is the
only one with actively used quotas. I'll test the more thoroughly
this evening.
I had problems with snapshots and hangs in 5.x. For that, a daily
reboot would keep the problems at bay. I upgraded to 6.0 and the
problems completely disappeared. I kept 6.0-STABLE running for weeks.
Somewhere along the line, as 6.1 approached, similar problems
re-appeared, but not exactly the same as what I had in 5.x. Now
instead of a complete system hang, individual processes will hang
while attempting to access a certain filesystem. I'm running
6.1-PRERELEASE from April 2 and for some reason since this weekend it
has happened more often, but I'm not sure why since I haven't made any
system changes since April 2.
I also am using quotas heavily with this system, and snapshoting every
filesystem once a day. The filesystem which processes will hang on
when attempting to access it happens to be the one with quotas enabled.
I'm going to update to the latest 6.1 code this evening and enable
INVARIANTS, WITNESS, and the two DEBUG_LOCKS options to the kernel to
see if it catches anything.
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