search for: con2fbmap

Displaying 2 results from an estimated 2 matches for "con2fbmap".

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2016 Jun 01
1
[Bug 96306] New: BUG: KASAN: slab-out-of-bounds in OUT_RINGp (via nvc0_fbcon_imageblit)
...g the primary framebuffer, an external monitor is connected to DP-1 on the Nvidia card (GTX 965M, 10de:13d9). Steps to reproduce the out-of-bounds issue in my environment: 0. Avoid continuously triggering the error: dmesg -D 1. modprobe nouveau runpm=0 (or be sure to wake the device before using con2fbmap, there is a nasty (unrelated) deadlock in there due to recursive console_lockup.) 2. con2fbmap 1 2 (bind console 2 to nouveaufb (1)). This invokes ioctl(/dev/fb0, FBIOPUT_CON2FBMAP, (u32[2]){2, 1})). 3. If you are not there already, switch to tty2 on the nouveau display. 4. Press Enter until you...
2016 Jul 12
6
[PATCH] drm/nouveau/fbcon: fix deadlock with FBIOPUT_CON2FBMAP
The FBIOPUT_CON2FBMAP ioctl takes a console_lock(). When this is called while nouveau was runtime suspended, a deadlock would occur due to nouveau_fbcon_set_suspend also trying to obtain console_lock(). Fix this by delaying the drm_fb_helper_set_suspend call. Based on the i915 code (which was done for performance reaso...