Author: trasz
Date: Tue Jan 13 22:35:26 2009
New Revision: 187199
URL: http://svn.freebsd.org/changeset/base/187199
Log:
Turn a "panic: non-decreasing id" into an error printf. This seems
to be caused by a metadata corruption that occurs quite often after
unplugging a pendrive during write activity.
Reviewed by: scottl
Approved by: rwatson (mentor)
Sponsored by: FreeBSD Foundation
Modified:
head/sys/fs/msdosfs/msdosfs_conv.c
Modified: head/sys/fs/msdosfs/msdosfs_conv.c
==============================================================================
--- head/sys/fs/msdosfs/msdosfs_conv.c Tue Jan 13 22:28:48 2009
(r187198)
+++ head/sys/fs/msdosfs/msdosfs_conv.c Tue Jan 13 22:35:26 2009
(r187199)
@@ -1060,8 +1060,11 @@ mbnambuf_write(struct mbnambuf *nbp, cha
char *slot;
size_t count, newlen;
- KASSERT(nbp->nb_len == 0 || id == nbp->nb_last_id - 1,
- ("non-decreasing id: id %d, last id %d", id, nbp->nb_last_id));
+ if (nbp->nb_len != 0 && id != nbp->nb_last_id - 1) {
+ printf("msdosfs: non-decreasing id: id %d, last id %d\n",
+ id, nbp->nb_last_id);
+ return;
+ }
/* Will store this substring in a WIN_CHARS-aligned slot. */
slot = &nbp->nb_buf[id * WIN_CHARS];
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