Hi Hans, On Friday 22 June 2012 09:50:44 Hans Verkuil wrote: > On 22/06/12 05:39, Prabhakar Lad wrote: > > Hi Federico, > > > > Recent patch from you (commit id a8f3c203e19b702fa5e8e83a9b6fb3c5a6d1cce4) > > which added cached buffer support to videobuf dma contig, is causing my > > driver to crash. > > Has this patch being tested for 'uncached' buffers ? If I replace this > > mapping logic with remap_pfn_range() my driver works without any crash. > > > > Or is that I am missing somewhere ? > > No, I had the same problem this week with vpif_capture. Since I was running > an unusual setup (a 3.0 kernel with the media subsystem patched to 3.5-rc1) > I didn't know whether it was caused by a mismatch between 3.0 and a 3.5 > media subsystem. > > I intended to investigate this next week, but now it is clear that it is > this patch that is causing the problem.
Time to port the driver to videobuf2 ? ;-) -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
