From mboxrd@z Thu Jan 1 00:00:00 1970 From: b32955@freescale.com (Huang Shijie) Date: Mon, 16 Apr 2012 13:48:41 +0800 Subject: Bug in v7_coherent_kern_range() ? In-Reply-To: References: <4F77C9A6.6080601@freescale.com> <20120402111240.GG19011@mudshark.cambridge.arm.com> <4F7E646D.6000302@freescale.com> <20120410092214.GA2620@mudshark.cambridge.arm.com> <4F840BDC.5060307@freescale.com> <4F854992.9080601@freescale.com> <20120411102437.GE16643@mudshark.cambridge.arm.com> Message-ID: <4F8BB2B9.3050202@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org ? 2012?04?11? 19:02, Fabio Estevam ??: > On Wed, Apr 11, 2012 at 7:24 AM, Will Deacon wrote: > >>> I wish i could find a more common test case to reproduce this bug. But, i can't. >>> The only test case now is to run the gplay on our IMX6Q platform. >> Ok, that makes it tricky since I don't have gplay or an IMX6Q platform. > gplay is a C application that does the same thing as launching a > simple Gstreamer pipeline like: > > gst-launch playbin2 uri=file:///home/file.mp4 > > Huang, > > Does the problem also occur if you don?t use the VPU driver? I mean, I do not test the case with the VPU disabled. > does it also happen if you decode the file using software codecs. I > would like to know if the issue you see is related to the VPU driver Can the vpu affects the futex? I am debugging an uart bug now. I will continue to debug this bug when i finish the uart bug. Best Regards Huang Shijie > or not. >