From mboxrd@z Thu Jan 1 00:00:00 1970 From: broonie@opensource.wolfsonmicro.com (Mark Brown) Date: Fri, 9 Mar 2012 12:12:38 +0000 Subject: [PATCH v3 00/11] ASoC: add imx-sgtl5000 machine driver working with fsl_ssi In-Reply-To: References: <1331225990-27308-1-git-send-email-shawn.guo@linaro.org> <4F5910EE.8090408@freescale.com> <20120309011914.GF2499@S2101-09.ap.freescale.net> <4F5966DC.6090201@freescale.com> <20120309071347.GM2499@S2101-09.ap.freescale.net> Message-ID: <20120309121237.GG3273@opensource.wolfsonmicro.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Mar 09, 2012 at 03:28:22PM +0800, Shawn Guo wrote: > On 9 March 2012 15:13, Shawn Guo wrote: > > On Fri, Mar 09, 2012 at 02:11:41AM +0000, Tabi Timur-B04825 wrote: > >> Shawn Guo wrote: > >> > Are you testing the patch set on top of the SHA below, which I > >> > mentioned in the cover letter? > >> > > >> > ? ?3030763 (Merge tag 'asoc-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into topic/asoc) Adding Liam who I just noticed isn't on the CCs. > >> It appears the problem is with for-3.4 itself. ?I'm running git-bisect now > >> to narrow it down. > >> > > My bisect tells that the offending commit is: > > > > ?96acc35 (ASoC: DAPM: Make sure DAPM widget IO ops hold the component mutex) > > > > But I do not understand why yet. > > ============================================= > [ INFO: possible recursive locking detected ] > 3.3.0-rc4+ #159 Not tainted > --------------------------------------------- > aplay/395 is trying to acquire lock: > (&codec->mutex){+.+...}, at: [<802f7414>] soc_widget_update_bits_locked+0x88/0x > 1a0 > > but task is already holding lock: > (&codec->mutex){+.+...}, at: [<802f9df4>] snd_soc_dapm_stream_event+0x38/0xc0 Ick, right. We need to create that separate I/O mutex I think... Perhaps we should punt the locking change until 3.5 too, there's no non-CODEC DAPM in 3.4? -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: