mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-04 17:44:14 +08:00
22accca017
Not removing pm qos request and free memory for it can cause crash, when some other driver use pm qos. For example, this oops: BUG: unable to handle kernel paging request at fffffffffffffff8 IP: [<ffffffff81307a6b>] plist_add+0x5b/0xd0 Call Trace: [<ffffffff810acf25>] pm_qos_update_target+0x125/0x1e0 [<ffffffff810ad071>] pm_qos_add_request+0x91/0x100 [<ffffffffa053ec14>] e1000_open+0xe4/0x5b0 [e1000e] was caused by earlier i915 probe failure: [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking [drm:init_ring_common] *ERROR* render ring initialization failed ctl 0001f001 head 00003004 tail 00000000 start 00003000 [drm:i915_driver_load] *ERROR* failed to init modeset i915: probe of 0000:00:02.0 failed with error -5 Bug report: http://bugzilla.redhat.com/show_bug.cgi?id=1057533 Reported-by: Giandomenico De Tullio <ghisha@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> [danvet: Drop unnecessary code movement.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
||
|---|---|---|
| .. | ||
| drm | ||
| host1x | ||
| vga | ||
| Makefile | ||