On Thu, Sep 09, 2010 at 03:28:34AM +0100, Chris Ball wrote: [...] > [ 7.372843] [<b04193ce>] __might_sleep+0xd9/0xe0 > [ 7.387864] [<b07260cc>] mutex_lock+0x1c/0x2a > [ 7.402576] [<b06396e8>] sdhci_led_control+0x1a/0x41 > [ 7.417727] [<b063bece>] led_trigger_event+0x42/0x5c led_trigger_even grabs a readlock. :-( > [ 7.432807] [<b06326f8>] mmc_request_done+0x56/0x6f > [ 7.447597] [<b063a2d1>] sdhci_finish_work+0xc8/0xcd > [ 7.462643] [<b063a209>] ? sdhci_finish_work+0x0/0xcd > [ 7.477941] [<b0432776>] worker_thread+0x165/0x1ed > [ 7.492856] [<b063a209>] ? sdhci_finish_work+0x0/0xcd > [ 7.508204] [<b0435591>] ? autoremove_wake_function+0x0/0x34 > [ 7.524178] [<b0432611>] ? worker_thread+0x0/0x1ed > [ 7.538953] [<b04352a0>] kthread+0x63/0x68 > [ 7.552659] [<b043523d>] ? kthread+0x0/0x68 > [ 7.566349] [<b0402cf6>] kernel_thread_helper+0x6/0x10 > [ 7.709931] udev: starting version 141 > [ 7.940374] mmc2: new high speed SDHC card at address e4da > [ 8.058165] mmcblk0: mmc2:e4da SU04G 3.69 GiB > [ 8.135730] mmcblk0: p1 p2 > > Full dmesg is at http://chris.printf.net/anton-mutex-dmesg.txt. > Anton, the kernel is 2.6.35.4-olpc plus your patchset from -mm. > I can think about how to test on an upstream kernel instead, but > perhaps your own tests simply didn't hit sdhci_led_control(). Yep, LEDS support was turned off. > Andrew, if you want to drop this while the BUG() and potential > performance regressions are worked out, I'd be happy to keep > testing patches from Anton until it's without regressions here. Thanks Chris. I also think that it's better to drop these series now, and meanwhile I'll try to prepare another patchset. -- Anton Vorontsov email: cbouatmailru@xxxxxxxxx irc://irc.freenode.net/bd2 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
