Am Dienstag, den 22.08.2017, 12:59 -0300 schrieb Fabio Estevam: > On Tue, Aug 22, 2017 at 9:47 AM, Fabio Estevam <festevam@xxxxxxxxx> wrote: > > Hi, > > > > I am running kernel 4.12.8 and mesa 17.1.6 on a imx6q, but glmark2 > > never runs successfully until the end. It always crashes like this: > > > > ** Failed to set swap interval. Results may be bounded above by refresh rate. > > [conditionals] fragment-steps=0:vertex-steps=0: FPS: 63 FrameTime: 15.873 ms > > [ 288.732107] Unable to handle kernel paging request at virtual > > address 00e71a74 > > [ 288.739394] pgd = ee52c000 > > [ 288.742115] [00e71a74] *pgd=00000000 > > [ 288.745782] Internal error: Oops: 5 [#1] SMP ARM > > [ 288.750409] Modules linked in: > > [ 288.753481] CPU: 0 PID: 221 Comm: glmark2-es2-drm Not tainted 4.12.8 #1 > > [ 288.760101] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) > > [ 288.766635] task: ee420c40 task.stack: ee4f0000 > > [ 288.771181] PC is at page_mapping+0xc/0xa4 > > [ 288.775291] LR is at set_page_dirty+0x14/0xc8 > > If I use the generic drm_gem_cma_free_object() function instead the > error does not happen anymore: > https://pastebin.com/edx37jNG > > Not sure if this is a valid fix though. Any comments? Etnaviv isn't CMA based, so this is certainly not a valid fix. It probably doesn't crash anymore, as it isn't properly freeing the pages backing the GEM object. I've seen this crash in the early days of etnaviv a few times, but it hasn't happened to me in a long time. Regards, Lucas _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel