Issue #3061 has been updated by dillon.
Assignee set to dillon
I think I may have fixed this one last night in master (commit id through to
a964af6f47472). I also believe that the stall should be fixed too
(19808ac9def). There was a bug in the flush code that could catch some
indirect block management in the middle of moving elements into or out of an
indirect block, causing a damaged topology to be committed to media. This bug
self-corrected during a normal shutdown, halt, or reboot, but not if the
machine crashes or undergoes a hard reset.
Unfortunately, once damaged, the topology pretty much can't be repaired and the
filesystem needs to be newfs_hammer2'd.
So I would say, update, reinstall, and keep watch. If it happens again with a
kernel with a commitid of a964af6f47472 or later then we need to look at it
more closely.
-Matt
Bug #3061: HAMMER2. Hang up, reboot, and crash.
http://bugs.dragonflybsd.org/issues/3061#change-13213
* Author: yellowrabbit2010
* Status: New
* Priority: Normal
* Assignee: dillon
* Category:
* Target version:
I started the build as
--
nice -n 9 make -j 8 buildworld
--
@USR-SRC is mounted at /usr/scr, @USR-OBJ is mounted at /usr/obj.
The compilation stalled, I pressed reset and after reboot the system dumped
immediately.
After that I was able to boot, but the PFSes were gone.
Each attempt to mount any of them led to the following errors:
---
Sep 19 17:23:31 fly kernel: hammer2_mount
Sep 19 17:23:31 fly kernel: hammer2_mount: dev="/dev/serno/WD-WCC2EP295836.s1d"
label="USR-OBJ" rdonly=0
Sep 19 17:23:31 fly kernel: hammer2: using volume header #3
Sep 19 17:23:31 fly kernel: alloc spmp 0xff8525bc tid c00b
Sep 19 17:23:31 fly kernel: chain 0068a0f4480a.01 key=
meth=31 CHECK FAIL (flags=00144002, bref/data f84c9b21bc9ef301/1e55118462e960c9)
Sep 19 17:23:31 fly kernel: hammer2_mount: error Check Error reading super-root
Sep 19 17:23:31 fly kernel: hammer2_unmount hmp=0xff852613a000 mount_count=0
Sep 19 17:23:31 fly kernel: unmount hmp 0xff852613a000 remove spmp
0xff8525bc
Sep 19 17:23:31 fly kernel: unmount hmp 0xff852613a000 last ref to
PMP=0xff8525bc
Sep 19 17:23:31 fly kernel: pfsfree: 0xff8525bc lrucount=0
Sep 19 17:23:31 fly kernel: hammer2_unmount(A): devvp
/dev/serno/WD-WCC2EP295836.s1d rbdirty 0 ronly=0
Sep 19 17:23:31 fly kernel: hammer2_unmount(B): devvp
/dev/serno/WD-WCC2EP295836.s1d rbdirty 0
Sep 19 17:23:31 fly kernel: v-chain 0xff852613a4c0.255 /0
mir=c00b
Sep 19 17:23:31 fly kernel: [2000] (?) refs=1
Sep 19 17:23:31 fly kernel: f-chain 0xff852613a640.254 /0
mir=c00a
Sep 19 17:23:31 fly kernel: [0004] (?) refs=0
---
---Files
core.txt.0 (239 KB)
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