ext2fs related panic
Poul-Henning Kamp
phk at phk.freebsd.dk
Sat Nov 6 04:29:46 PST 2004
Can you try this patch ?
Index: ext2_vfsops.c
===================================================================
RCS file: /home/ncvs/src/sys/gnu/ext2fs/ext2_vfsops.c,v
retrieving revision 1.130
diff -u -r1.130 ext2_vfsops.c
--- ext2_vfsops.c 29 Oct 2004 10:42:30 -0000 1.130
+++ ext2_vfsops.c 6 Nov 2004 12:29:20 -0000
@@ -732,6 +732,7 @@
ump->um_mountp = mp;
ump->um_dev = dev;
ump->um_devvp = devvp;
+ ump->um_bo = &devvp->v_bufobj;
/* setting those two parameters allowed us to use
ufs_bmap w/o changse !
*/
In message <1099742312.809.9.camel at taxman>, Stefan Ehmann writes:
>With kernel sources from yesterday I get a panic as soon as I do this:
>
>mount /mnt/stuff
>ls /mnt/stuff
>
>The correspoding line in fstab is this (I haven't checked yet if it also
>happens on rw mounted ext2fs)
>/dev/ad1s1 /mnt/stuff ext2fs ro
>
>Unfortunately I had problems when debugging the core with kgdb (maybe
>because it couldn't find symbols for the modules or because I had to
>call doadump by hand).
>
>Anyway, here is a (shortened) transcript from ddb output.
>
>Fatal trap 12: page fault while in kernel mode
>...
>current process = 815 (ls)
>
>trace
>ext2_strategy()
>bufstrategy()
>breadn()
>bread()
>ext2_read()
>ext2_readdir()
>getdirentries()
>Xint0x80_syscall()
>
>I can provide more info if needed.
>
>Thanks
>
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--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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