| To: | "lvm-devel@xxxxxxxxxxx" <lvm-devel@xxxxxxxxxxx> |
|---|---|
| Subject: | Re: [lvm-devel] Re: oops when creating an lvm-snapshot |
| From: | Eric Sandeen <sandeen@xxxxxxx> |
| Date: | 15 Aug 2002 13:35:00 -0500 |
| Cc: | linux-xfs@xxxxxxxxxxx, Erik Tews <erik@xxxxxxxxxxxxxxxxx> |
| In-reply-to: | <20020815104938.GB23422@no-maam.dyndns.org> |
| References: | <20020814170120.GA23422@no-maam.dyndns.org> <1029344832.15672.90.camel@jen.americas.sgi.com> <20020814183631.A21357@infradead.org> <20020815104938.GB23422@no-maam.dyndns.org> |
| Sender: | owner-linux-xfs@xxxxxxxxxxx |
Ok, the problem now is that Erik was not using -o ro when he tried to mount, and LVM rightly returned EACCES - but then we mishandled the error and oopsed. oops! Mounting with -o ro avoids the oops, and I have a fix here for the error return that I'll check in shortly. -Eric On Thu, 2002-08-15 at 05:49, Erik Tews wrote: > Ok, I fetched your patch from cvs today. Snapshot seems to work fine, > but I cannot mount the snapshot. I did a mount -o nouuid > /dev/master/xfssnap /snap and at this moment my kernel oopsed. The > backtrace shows me that the oops happens in xfs_statfs which was called > by linvfs_read_super which was called by get_sb_bdev. Can you reproduce > this and do you know what happened? -- Eric Sandeen XFS for Linux http://oss.sgi.com/projects/xfs sandeen@xxxxxxx SGI, Inc. 651-683-3102 |
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