Messages in this thread Patch in this message | | | Date | Thu, 8 Jul 2004 14:21:53 -0700 | From | Andrew Morton <> | Subject | Re: 2.6.7-mm6: system hang with KAMix on dual Opteron w/ NUMA |
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"R. J. Wysocki" <rjwysocki@sisk.pl> wrote: > > I've just discovered that I'm (consistently) able to hang the system solid by > trying to adjust the sound volume using KAMix on 2.6.7-mm6 (SuSE 9.1/ AMD64).
Please ensure that your kernel has this patch:
--- 25/sound/core/control.c~snd_ctl_read-locking-fix-fix 2004-07-06 21:27:51.618683360 -0700 +++ 25-akpm/sound/core/control.c 2004-07-06 21:27:51.622682752 -0700 @@ -1116,7 +1116,7 @@ static ssize_t snd_ctl_read(struct file wait_queue_t wait; if ((file->f_flags & O_NONBLOCK) != 0 || result > 0) { err = -EAGAIN; - goto out; + goto __end; } init_waitqueue_entry(&wait, current); add_wait_queue(&ctl->change_sleep, &wait); @@ -1137,7 +1137,7 @@ static ssize_t snd_ctl_read(struct file kfree(kev); if (copy_to_user(buffer, &ev, sizeof(snd_ctl_event_t))) { err = -EFAULT; - goto __end; + goto out; } spin_lock_irq(&ctl->read_lock); buffer += sizeof(snd_ctl_event_t); _ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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