The patch titled
mmc: fix "prev->state: 2 != TASK_RUNNING??" problem on SD/MMC card removal
has been added to the -mm tree. Its filename is
mmc-fix-prev-state-2-=-task_running-problem-on-sd-mmc-card-removal.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: mmc: fix "prev->state: 2 != TASK_RUNNING??" problem on SD/MMC card removal
From: Vitaly Wool <vitalywool@xxxxxxxxx>
Currently on SD/MMC card removal the system exhibits the following message (the platform is ARM Versatile):
prev->state: 2 != TASK_RUNNING??
mmcqd/762[CPU#0]: BUG in __schedule at linux-2.6/kernel/sched.c:3826
(akpm: someone tried to fix this, but it's still wrong)
Signed-off-by: Vitaly Wool <vitalywool@xxxxxxxxx>
Cc: Pierre Ossman <drzeus-list@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/mmc/mmc_queue.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
diff -puN drivers/mmc/mmc_queue.c~mmc-fix-prev-state-2-=-task_running-problem-on-sd-mmc-card-removal drivers/mmc/mmc_queue.c
--- a/drivers/mmc/mmc_queue.c~mmc-fix-prev-state-2-=-task_running-problem-on-sd-mmc-card-removal
+++ a/drivers/mmc/mmc_queue.c
@@ -78,8 +78,10 @@ static int mmc_queue_thread(void *d)
spin_unlock_irq(q->queue_lock);
if (!req) {
- if (kthread_should_stop())
+ if (kthread_should_stop()) {
+ set_current_state(TASK_RUNNING);
break;
+ }
up(&mq->thread_sem);
schedule();
down(&mq->thread_sem);
_
Patches currently in -mm which might be from vitalywool@xxxxxxxxx are
mmc-fix-prev-state-2-=-task_running-problem-on-sd-mmc-card-removal.patch
-
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