>
> Hello,
>
> sometimes I have the following error messages in my syslog logfiles:
>
> kernel: assert(cmp == 0)
> kernel: invalid operand: 0000
> kernel: CPU: 0
> kernel: EIP: 0010:[xtTruncate_pmap+140/1136]
Thanks for reporting this. I was able to reproduce the problem and then the
bug was pretty easy to find. I'm surprised I hadn't seen this one yet.
I believe this patch should fix it.
Thanks again,
Dave
Index: linux24/fs/jfs/jfs_xtree.c
===================================================================
RCS file: /usr/cvs/jfs/linux24/fs/jfs/jfs_xtree.c,v
retrieving revision 1.10
diff -u -r1.10 jfs_xtree.c
--- linux24/fs/jfs/jfs_xtree.c 2001/11/13 21:04:48 1.10
+++ linux24/fs/jfs/jfs_xtree.c 2001/11/19 20:07:44
@@ -3909,7 +3909,8 @@
BT_CLR(&btstack);
if (committed_size) {
- rc = xtSearch(ip, committed_size - 1, &cmp, &btstack, 0);
+ xoff = (committed_size >> JFS_SBI(ip->i_sb)->l2bsize) - 1;
+ rc = xtSearch(ip, xoff, &cmp, &btstack, 0);
if (rc)
return -rc;
assert(cmp == 0);
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