Re: BUG in dma-mapping.h:218 // MESH SCSI driver not working
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2009-07-29 23:32:44
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2009-07-29 23:32:44
On Wed, 2009-07-29 at 20:22 +0200, Stef Simoens wrote:
2.6.29 works OK 2.6.30-rc1 doesn't work (BUG...) 2.6.30-rc1 with your patch ... seems to hang when it should be mounting the root directory. Is it worthwhile doing a git bisect?
It probably is, since it should work with my patch, so something else changed, maybe in the SCSI stack. One thing I know is that the MESH HW has "issues" that make it very sensitive to alignment DMA buffers, it's possible that the SCSI stack no longer aligns some stuff ? Cheers, Ben.