On Mon, 24 Apr 2006, Kris Kennaway wrote:
KK> > I'll try to build DDB kernel tomorrow evening to check. Which commands
should I
KK> > issue in ddb ?
KK>
KK> 'show lockedvnods', 'ps' and 'alltrace' are important.
Well, common usage pattern does not lead to lock today. I made some
snapshots on quota'ed file system and delete them successfully.
Then, I made one snapshot (finished well), and simultaneously issue
rm -f /st/.snap/temp_snapshot.1
mksnap_ffs /st /st/.snap/temp_snapshot.2
mksnap_ffs /st /st/.snap/q_snapshot
This leads to
[EMAIL PROTECTED]:~> pidd snap
0 32 0 0 -4 0 0 8 snaplk DL ?? 0:32.45 [bufdaemon]
root 0.0 0.0 Thu10PM
0 23279 8868 6 -4 0 1260 708 snaplk D+ p1 0:00.69 mksnap_ffs
/st / root 0.0 0.1 7:57PM
0 23325 23302 0 -4 0 1220 492 ufs D+ p3 0:00.00 mksnap_ffs
/st / root 0.0 0.1 7:59PM
0 23301 23284 0 -4 0 1228 568 snaplk D+ p4 0:00.00 rm -f
/st/.snap/ root 0.0 0.1 7:58PM
DDB output (BTW, it seems BREAK_TO_DEBUGGER together with KDB_UNATTENDED is
*not* workable in RELENG_6) is available at
http://woozle.net/FreeBSD/debug/office-ddb.20060429.txt.gz (35k)
Sincerely,
D.Marck [DM5020, MCK-RIPE, DM3-RIPN]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- [EMAIL PROTECTED] ***
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