* Re: [reiser4] reiser4 panicked cowardly: zam-397
2006-05-13 20:03 [reiser4] reiser4 panicked cowardly: zam-397 Laurent Riffard
@ 2006-05-15 13:16 ` Vladimir V. Saveliev
0 siblings, 0 replies; 2+ messages in thread
From: Vladimir V. Saveliev @ 2006-05-15 13:16 UTC (permalink / raw)
To: Laurent Riffard; +Cc: reiserfs-list
[-- Attachment #1: Type: text/plain, Size: 338 bytes --]
hello
On Sat, 2006-05-13 at 22:03 +0200, Laurent Riffard wrote:
> Hello,
>
> I've been hit by a couple of reiser4 panic due to zam-397 assertion.
> It's more or less reproducible. How can I help debug this ?
This looks like known bug in debugging code.
Please try to reproduce the problem with the attached patch.
> ~~
> laurent
>
[-- Attachment #2: reiser4-fix-block-alloc-assertions.patch --]
[-- Type: text/x-patch, Size: 1119 bytes --]
fs/reiser4/plugin/space/bitmap.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -puN fs/reiser4/plugin/space/bitmap.c~reiser4-fix-block-alloc-assertions fs/reiser4/plugin/space/bitmap.c
--- linux-2.6.17-rc3-mm1/fs/reiser4/plugin/space/bitmap.c~reiser4-fix-block-alloc-assertions 2006-05-15 13:45:57.000000000 +0400
+++ linux-2.6.17-rc3-mm1-vs/fs/reiser4/plugin/space/bitmap.c 2006-05-15 13:51:30.000000000 +0400
@@ -1113,7 +1113,7 @@ alloc_blocks_forward(reiser4_blocknr_hin
assert("zam-398", super != NULL);
assert("zam-412", hint != NULL);
- assert("zam-397", hint->blk < reiser4_block_count(super));
+ assert("zam-397", hint->blk <= reiser4_block_count(super));
if (hint->max_dist == 0)
search_end = reiser4_block_count(super);
@@ -1160,7 +1160,7 @@ static int alloc_blocks_backward(reiser4
assert("zam-969", super != NULL);
assert("zam-970", hint != NULL);
- assert("zam-971", hint->blk < reiser4_block_count(super));
+ assert("zam-971", hint->blk <= reiser4_block_count(super));
search_start = hint->blk;
if (hint->max_dist == 0 || search_start <= hint->max_dist)
_
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