Date: Fri, 10 Jul 2009 21:25:34 +0200 From: Thomas Backman <serenity@exscape.org> To: FreeBSD current <freebsd-current@freebsd.org> Cc: freebsd-fs@freebsd.org Subject: Re: Reproducible ZFS panic, w/ script (Was: "New" ZFS crash on FS (pool?) unmount/export) Message-ID: <45291598-D091-4E90-B968-22E59BEB3846@exscape.org> In-Reply-To: <E085112F-B828-4514-B93C-419E7E7FD5FB@exscape.org> References: <72163521-40BF-4764-8B74-5446A88DFBF8@exscape.org> <E085112F-B828-4514-B93C-419E7E7FD5FB@exscape.org>
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On Jul 10, 2009, at 21:01, Thomas Backman wrote: > OK, I've finally written a script that reproduces this panic for me > every time (6-7 tries in a row should be good enough, plus one on > another box). It would be great to have a few testers - and if you > do test it, PLEASE report your results here - positive or negative! > The main aim is, of course, to provide ZFS devs with their own core > dumps, DDB consoles and whatnot to possibly resolve this issue. > [...] > Back to the panic: > The problem appears to be related to clones somehow - the first two > times I ran in to this panic (in real use) was when messing with > clone/promote... so that's what this script does. Damnit. Very sorry for the noise, but I just noticed that it IS NOT related to the clones. It crashes with the clone/promote lines (#77-78) commented out, too... Now I'm stumped as to where the issue is, I hope the previous mail can help track it down. A very similar setup runs every night, and it "only" crashes about one time in 10 or so. This crashes *every* time and I don't really see the difference between the commands the scripts run. Oh well... Regards, Thomas
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