Re: Linux 4.1 WARNING in drm_ioctl.c
From: Daniel Vetter
Date: Tue Jun 23 2015 - 05:46:16 EST
On Tue, Jun 23, 2015 at 08:27:13AM +0100, Daniel Stone wrote:
> On 23 June 2015 at 07:39, Daniel Vetter <daniel@xxxxxxxx> wrote:
> > Which drm driver are you using? I didn't spot anything in your module list
> > but might have missed it. Booting with drm.debug=0xe and grabbing dmesg
> > will tell us for sure.
> That'd be vgem.
If so then the below diff should help.
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 7a207ca547be..b491fb32cddb 100644
@@ -328,6 +328,8 @@ static int __init vgem_init(void)
+ drm_dev_set_unique(drm, "vgem");
ret = drm_dev_register(vgem_device, 0);
Software Engineer, Intel Corporation
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