On 15 April 2010 16:20, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Thu, 15 Apr 2010, Pedro Ribeiro wrote: > >> I enabled CONFIG_DMAR_BROKEN_GFX_WA=y and the result is the same. A >> delay in the boot process and usb devices don't work properly, >> including my USB mouse. >> >> Strange, since you have the same platform as me. The extra usb devices >> you were seeing are because of my docking station - but it makes no >> difference whether I'm docked or not for the purposes of the original >> bug or this situation right now. The dmesg I'm attaching is without >> the computer being docked. > > It's not possible to determine the reason for the timeout errors > between timestamps 16 and 53 from the small amount of debugging > information in the log. Clearly something is going wrong with the > communication between the computer and the EHCI controller. And > clearly the kernel config changes are responsible. > > But I don't know what to do to track it down any farther. > > Alan Stern > > I guess this is pretty much a dead end until anyone else can reproduce it! I'll continue to use Daniel's patches privately. Daniel, should I use the big initial patch or the GFP_DMA one? Which one is better for a system which is only rebooted every week or so (I usually hibernate)? Regards, 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
