On Nov 13, 2009, at 5:01 AM, Markus Schulz wrote:
> Package: linux-image-2.6.30-2-amd64
> Version: 2.6.30-8
> Severity: important
>
> i still get these CPU stuck problems.
> sometime i can work many days without problems but the i got it more
> then three times a day.
We has seen some similar issues with the 2.6.30 kernel and java processes
reporting softlockups and traced it back to this patch from upstream which
fixes the issue:
diff --git a/kernel/futex.c b/kernel/futex.c
index 463af2e..1e176f3 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -916,8 +916,8 @@ retry:
hb1 = hash_futex(&key1);
hb2 = hash_futex(&key2);
- double_lock_hb(hb1, hb2);
retry_private:
+ double_lock_hb(hb1, hb2);
op_ret = futex_atomic_op_inuser(op, uaddr2);
if (unlikely(op_ret < 0)) {
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