Date: Fri, 25 Jan 2002 19:48:09 -0500 (EST) From: Robert Watson <rwatson@freebsd.org> To: Doug Swarin <doug@staff.texas.net> Cc: freebsd-current@freebsd.org, bright@mu.org, sobomax@freebsd.org, kris@obsecurity.org, re@freebsd.org Subject: Re: Panic in ufs_dirbad() Message-ID: <Pine.NEB.3.96L.1020125194709.80112G-100000@fledge.watson.org> In-Reply-To: <20020125184512.A64502@staff.texas.net>
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On Fri, 25 Jan 2002, Doug Swarin wrote: > I have actually seen this panic very recently on -STABLE. Matt Dillon > suspected an issue with the RAID controller I was using (aac) after some > debugging work. > > I am still waiting on the results of diagnostic testing on the RAID > controller, but I just wanted to offer an additional data point. > > I have attached dmesg and some of the results of our debugging session > below. The panic occurred during heavy file create/delete activity. I > referred to PR kern/13150, which may or may not be related. > > We determined that *ep in ufs_lookup contained garbage (from a file > name). ep->d_name contained file data. Alternatively, if it's only recent -STABLE, maybe it's something to do with the recent enabling of UFS_DIRHASH in -STABLE by default? If so, this might require immediate action before 4.5-RELEASE goes out the door (very, very soon). Has anyone managed to track it down anymore? Robert N M Watson FreeBSD Core Team, TrustedBSD Project robert@fledge.watson.org NAI Labs, Safeport Network Services To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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