Re: UFS lockups

From: Sławek Żak <szak_at_era.pl>
Date: Thu, 27 Nov 2003 12:04:51 +0100
Sławek Żak <szak_at_era.pl> writes:

> I observe UFS lockups under heavy I/O. To reproduce the problem run around
> 10 copies of cp -Rp /usr/some-random-dir. All cp's after some time are hanging
> on getblk. du's running concurrently are hanging in ufs state. The filesystems
> are UFS2. The Server is running 5.2-BETA on SMP Dell 2650. Filesystems are laid
> on Adaptec RAID controller (aac). Any ideas how to trace the problem?

    I managed to obtain trace of one of the processes hung in the ufs
    state. Sorry for the form, I can't make a text dump of the messages.

/S
Received on Thu Nov 27 2003 - 02:05:01 UTC

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