On 9 April 2010 19:09, Daniel Mack <daniel@xxxxxxxx> wrote: > On Fri, Apr 09, 2010 at 12:01:27PM -0400, Alan Stern wrote: >> On Fri, 9 Apr 2010, Pedro Ribeiro wrote: >> > here is the output of the patch you sent me when the interference is triggered. >> > >> > The log is long, 1.3mb in size. >> >> I don't see anything suspicious. The transfer_buffer addresses repeat >> every 32 URBs, and the DMA addresses cycle almost entirely uniformly >> from 0x20000000 to 0x23ffffff in units of 0x2000 (there are a few gaps >> where the interval is a little bigger). > > The DMA pointers do indeed look sane. I wanted to take a deeper look at > this and set up a 64bit system today. However, I fail to see the problem > here. Pedro, how much RAM does your machine have installed? > > Daniel > > It has 4 GB. Pedro -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html