Reproducible ZFS panic, w/ script (Was: "New" ZFS crash on FS
kmacy at freebsd.org
Fri Jul 10 19:27:46 UTC 2009
"zfs export" does a forced unmount. We may not be properly handling
On Fri, Jul 10, 2009 at 12:25 PM, Thomas Backman<serenity at exscape.org> wrote:
> 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...
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