On 10/28/06, Christian S.J. Peron [EMAIL PROTECTED] wrote:
It almost looks as if a user frequently runs gmirror(8) to query the
status of their array. Under a high load situation, the worker is busy,
so at one un-lucky momment, gmirror(8) is run:
(1) gmirror(8) waits for sc-sc_lock owned
Ulrich Spoerlein wrote:
Our fileserver deadlocked, again. It is running RELENG_6 checked out
yesterday. I have enabled DDB, WITNESS and INVARIANTS and have it
hooked up via serial console.
Happend again, now I have DEBUG_LOCKS and DEBUG_VFS_LOCK included. There
are hundreds of cron processes
It almost looks as if a user frequently runs gmirror(8) to query the
status of their array. Under a high load situation, the worker is busy,
so at one un-lucky momment, gmirror(8) is run:
(1) gmirror(8) waits for sc-sc_lock owned by the worker
(2) The worker then drops the lock
(3)
Sorry, I forgot to include the chunk of code from the gmirror worker
thread which made me suspect this could be the problem:
[..]
/* Get first request from the queue. */
mtx_lock(sc-sc_queue_mtx);
bp = bioq_first(sc-sc_queue);
if
Hi all,
Our fileserver deadlocked, again. It is running RELENG_6 checked out
yesterday. I have enabled DDB, WITNESS and INVARIANTS and have it
hooked up via serial console.
I can not give out shell access, but I can run any command you might
consider useful, here's more details:
The system has
