Displaying 3 results from an estimated 3 matches for "ss_start".
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2007 Mar 21
4
HELP!! I can''t mount my zpool!!
Hi all.
One of our server had a panic and now can''t mount the zpool anymore!
Here is what I get at boot:
Mar 21 11:09:17 SERVER142 ^Mpanic[cpu1]/thread=ffffffff90878200:
Mar 21 11:09:17 SERVER142 genunix: [ID 603766 kern.notice] assertion failed: ss->ss_start <= start (0x670000b800 <= 0x67
00009000), file: ../../common/fs/zfs/space_map.c, line: 126
Mar 21 11:09:17 SERVER142 unix: [ID 100000 kern.notice]
Mar 21 11:09:17 SERVER142 genunix: [ID 802836 kern.notice] fffffe800047e320 fffffffffb9ad0b9 ()
Mar 21 11:09:17 SERVER142 genunix: [ID 655072 kern...
2011 Nov 08
1
Single-disk rpool with inconsistent checksums, import fails
Hello all,
I have an oi_148a PC with a single root disk, and since
recently it fails to boot - hangs after the copyright
message whenever I use any of my GRUB menu options.
Booting with an oi_148a LiveUSB I had around since
installation, I ran some zdb traversals over the rpool
and zpool import attempts. The imports fail by running
the kernel out of RAM (as recently discussed in the
list with
2007 Nov 14
0
space_map.c ''ss == NULL'' panic strikes back.
...ed by the last change. If so, we could try corrupting
most recent uberblock, so ZFS will pick up previous uberblock.
2. Instead of pancing in space_map_add(), we could try to
space_map_remove() the offensive entry, eg:
- VERIFY(ss == NULL);
+ if (ss != NULL) {
+ space_map_remove(sm, ss->ss_start, ss->ss_end);
+ goto again;
+ }
Both of those ideas can make things worse, so I want to know what damage
can be done using those method, or even better, what else (safer) we can
try?
--
Pawel Jakub Dawidek http://www.wheel.pl
pjd at FreeBSD.org...