Messages in this thread Patch in this message | | | Subject | Re: Futex BUG in 2.6.18rc2-git7 | From | Thomas Gleixner <> | Date | Fri, 04 Aug 2006 22:12:15 +0200 |
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On Fri, 2006-08-04 at 10:36 +0200, Andi Kleen wrote: > On Friday 04 August 2006 10:26, Olaf Hering wrote: > > On Fri, Aug 04, 2006 at 09:17:00AM +0200, Andi Kleen wrote: > > > > > > One of my test machines (single socket core2 duo) running 2.6.18rc2-git7 over night > > > under moderate load threw this, followed by an endless loop of soft lockup timeouts > > > (one exemplar appended) > > > > > > I assume it is related to the new PI mutexes. > > > > Maybe triggered by this, if it was from wagner.suse.de: > > Yes it was that box. So it looks like the new mutex code cannot run > the glibc test suite.
Can you retest against -rc3-current + the compat fix I sent out earlier today (see also below) ?
Is the glibc the latest CVS version ?
tglx
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c index d1aab1a..c5cca3f 100644 --- a/kernel/futex_compat.c +++ b/kernel/futex_compat.c @@ -39,7 +39,7 @@ void compat_exit_robust_list(struct task { struct compat_robust_list_head __user *head = curr->compat_robust_list; struct robust_list __user *entry, *pending; - unsigned int limit = ROBUST_LIST_LIMIT, pi; + unsigned int limit = ROBUST_LIST_LIMIT, pi, pip; compat_uptr_t uentry, upending; compat_long_t futex_offset; @@ -59,10 +59,10 @@ void compat_exit_robust_list(struct task * if it exists: */ if (fetch_robust_entry(&upending, &pending, - &head->list_op_pending, &pi)) + &head->list_op_pending, &pip)) return; if (upending) - handle_futex_death((void *)pending + futex_offset, curr, pi); + handle_futex_death((void *)pending + futex_offset, curr, pip); while (compat_ptr(uentry) != &head->list) { /*
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