5.4-RC2 freezing - ATA related?
PeterJeremy at optushome.com.au
Wed Jun 8 10:12:43 GMT 2005
On Tue, 2005-May-31 16:47:19 -0700, Steve Watt wrote:
>>> The vnode locks are held by processes:
>>> PID name waiting on
>>> 487 perl [ufs c3c1c1b4]
>>> 57 syncer [snaplk c535f500] (holds 2 locks)
>>> 476 perl [ufs c87e4f1c]
>>> 489 perl [snaplk c535f500] (holds 2 locks)
>>> 3337 mksnap_ffs [getblk d77656f4]
>This is a filesystem lock problem, not an ATA driver problem. I analyzed
>it, and posted the results to -hackers last week, with the subject "snapshots
I saw your previous post but the symptoms don't look the same to me.
Your deadlock has mksnap_ffs blocked on ufs whilst Elliot's problem
has mksnap_ffs blocked on getblk. getblk is a lower level call
(physical I/O) and I don't see how a FS problem could cause problems
for getblk calls.
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