On 10 March 2015 at 02:02, Thomas Hellstrom <thellstrom@xxxxxxxxxx> wrote: > On 03/09/2015 04:22 PM, Daniel Vetter wrote: >> On Mon, Mar 09, 2015 at 11:04:01AM +0100, Thomas Hellstrom wrote: >>> Hi, >>> >>> I'm not sure this started with 4.0 but when I rmmod the device driver >>> like so >>> rmmod vmwgfx >>> >>> The device loses its IRQ line as shown in lscpi: >>> Flags: bus master, medium devsel, latency 64 <irq missing here> >>> >>> and a subsequent modprobe will fail since pdev->irq is 0. >>> >>> Is anyone else seeing this with other drivers? >> I seen occasionally (over the past couple of kernels) random zeros in pdev >> but dismissed it as broken machines or bugs in i915 (we have them ...). >> Usually the box died chasing a NULL pointer from pdev. Otherwise no. >> -Daniel > OK. Thanks for the info. Since in my case this is 100% reproducible I > guess I have an excellent opportunity to bisect the problem :-/ > does lspci -H1, or some option like to direct access hw show it? just whether this is the kernel copy or the hw register getting messed up. Dave. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
