Remounting a drive as read/write crashes the system and no
mel.flynn+fbsd.questions at mailing.thruhere.net
Mon Sep 14 20:13:05 UTC 2009
On Saturday 22 August 2009 02:40:53 Scott Schappell wrote:
> On Aug 21, 2009, at 17:32:13, Mel Flynn wrote:
> > On Friday 21 August 2009 07:34:11 Scott Schappell wrote:
> >> Looking at info.0 I see:
> >> Dump header from device /dev/ad0s1b
> >> Architecture: i386
> >> Architecture Version: 2
> >> Dump Length: 155131904B (147 MB)
> >> Blocksize: 512
> >> Dumptime: Fri Aug 21 08:27:45 2009
> >> Hostname: arthur.silvertree.org
> >> Magic: FreeBSD Kernel Dump
> >> Version String: FreeBSD 7.2-RELEASE-p3 #1: Fri Aug 14 13:27:47 PDT
> >> 2009
> >> root at arthur.silvertree.org:/usr/obj/usr/src/sys/ARTHUR
> >> Panic String: ffs_sync: rofs mod
> >> Dump Parity: 2778312054
> >> Bounds: 0
> >> Dump Status: good
> >> This is interesting:
> >> "Panic String: ffs_sync: rofs mod"
> >> It looks I'm guessing this is saying "read only file system
> >> modified". So it looks like the problem is with mount?
> >> If there's anything you want me to pull from the vmcore.0 let me
> >> know.
> >> Again, this happens with the drive mounted RO from fstab. Unmounted
> >> then mount -o rw /backup.
> >> Something is amiss, and first blush doesn't seem to be hardware
> >> related.
> > There should be a backtrace in info.0 already. That part contains more
> > relevant information.
> Nope, that's all info.0 contains.
Follow up. Temp fix available here:
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