| Summary: |
check_crtc_state mismatch in ips_enabled on 4.2.1-1 |
| Product: |
DRI
|
Reporter: |
Henrik Jonsson <me> |
| Component: |
DRM/Intel | Assignee: |
Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Status: |
CLOSED
DUPLICATE
|
QA Contact: |
Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Severity: |
normal
|
|
|
| Priority: |
medium
|
CC: |
intel-gfx-bugs
|
| Version: |
unspecified | |
|
| Hardware: |
x86-64 (AMD64) | |
|
| OS: |
Linux (All) | |
|
| Whiteboard: |
|
|
i915 platform:
|
|
i915 features:
|
|
|---|
| Attachments: |
|
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Created attachment 118530 [details] i915 call trace from kernel Version of i915 (`pacman -Qi xf86-video-intel`): 1:2.99.917+381+g5772556-1 System architecture (`uname -m`): x86_64 Kernel version (`uname -r`): 4.2.1-1-ARCH Linux distribution: Arch Linux Machine: Lenovo Thinkpad X240 Display connector: VGA After upgrading the Linux kernel yesterday, I noticed a delay when my laptop was resuming from hibernation. When looking at kernel logs, there was a i915 call trace from the kernel (see attachment) saying "mismatch in ips_enabled (expected 1, found 0)". The graphics did recover after waiting ~10 sec or so, but I also noticed that my external monitor didn't get the mirrored image of my laptop, as it usually does. Closing the lid and opening it again fixed the issue with the external monitor (and I can't be sure it was caused by this issue). The issue did not seem to be present on the previous version of the kernel I was running, 4.0.5-1-ARCH, but searching through kernel logs it's appeared six times since when I upgraded the kernel yesterday, often but not always associated with putting the laptop into hibernation. Let me know how to provide more info, sorry about not having a full set of steps to repro the issue yet.