Andrew Morton <[email protected]> writes:
> "Martin J. Bligh" <[email protected]> wrote:
>>
>> drilling down into the results directories can get you the command line,
>> looks like "reaim -f workfile.short -s 1 -e 10 -i 2" to me. Buggered if
>> I can recall what that did though.
>>
>> (http://test.kernel.org/abat/20229/004.reaim.test/results/cmdline)
>>
>> I *think* it's only ia32 NUMA boxes, at least as far as I can see from
>> a quick poke around. Which would make me guess at scheduler code. Gitweb
>> would be nice to use, but it doesn't tag the -git snapshots, AFAICS,
>> which is a real shame. Nor does the git snapshot include the git tag,
>> as far as I know. Grrrr. I guess I'll download the snapshots and diff
>> them, and try to pull out the sched changes by hand. Much suckage.
>
> The diffstat for 2.6.15-git5 -> 2.6.15-git6 is at
> http://www.zip.com.au/~akpm/linux/patches/stuff/2 - only a single line
> changed in sched.c:
>
> diff -uNr 2.6.15-git5/kernel/sched.c 2.6.15-git6/kernel/sched.c
> --- 2.6.15-git5/kernel/sched.c 2006-04-15 14:10:43.000000000 -0700
> +++ 2.6.15-git6/kernel/sched.c 2006-04-15 14:10:52.000000000 -0700
> @@ -4386,6 +4386,7 @@
> } while_each_thread(g, p);
>
> read_unlock(&tasklist_lock);
> + mutex_debug_show_all_locks();
> }
>
> /**
>
> The below patches went from -mm into mainline on that day. It'll be pretty
> simple to bisection search these once we have a testcase.
config DEBUG_MUTEXES
bool "Mutex debugging, deadlock detection"
default y
depends on DEBUG_KERNEL
help
This allows mutex semantics violations and mutex related deadlocks
(lockups) to be detected and reported automatically.
?
By default, it's y, so it seems likely.
--
OGAWA Hirofumi <[email protected]>
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