FS#18690 - [kernel26] Turned off screen when booting with KMS enabled

Attached to Project: Arch Linux
Opened by Daniele C. (legolas558) - Monday, 15 March 2010, 12:48 GMT
Last edited by Roman Kyrylych (Romashka) - Tuesday, 10 August 2010, 07:42 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To Tobias Powalowski (tpowa)
Thomas Bächler (brain0)
Architecture All
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No


If I boot without 'nomodeset', e.g. with KMS enabled, I get a black screen which is actually turned off.

Console is responsive to login and commands, I can also use SSH but I basically loose the LCD display.

This bug happens with Arch Linux stock kernels 2.6.32 and 2.6.33 (since when KMS was added to kernel), no other packages are relevant.

Affected hardware is:

00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)

Please also note that this bug was found while testing for other bugs, like  bug 16974  which is about the Xorg crash.

The only way to boot a 2.6.32/2.6.33 kernel on this machine has been to compile it with built-in drm or to boot it with 'nomodeset' (which disables KMS, so is not acceptable).

JGC has suggested to tweak mkinitcpio.conf to change module loading order but doesn't change anything (tested and tested many times).
This task depends upon

Closed by  Roman Kyrylych (Romashka)
Tuesday, 10 August 2010, 07:42 GMT
Reason for closing:  No response
Additional comments about closing:  No response in +1 month. Please reopen if necessary.
Comment by Gavin Bisesi (Daenyth) - Wednesday, 17 March 2010, 03:48 GMT
Not sure if it's entirely related, but it may be: https://bugs.freedesktop.org/show_bug.cgi?id=21659
Comment by Daniele C. (legolas558) - Friday, 19 March 2010, 11:50 GMT
@Daenyth: I don't think that is related.

However today I tried booting with Arch Linux stock kernel and I get this error:

(EE) intel(0): No kernel modesetting driver detected.

Is the stock kernel no more KMS-enabled?
Comment by Gerardo Exequiel Pozzi (djgera) - Saturday, 03 July 2010, 19:31 GMT
  • Field changed: Summary ([i8xx] Turned off screen when booting with KMS enabled → [kernel26] Turned off screen when booting with KMS enabled)
  • Field changed: Status (Unconfirmed → Assigned)
  • Task assigned to Thomas Bächler (brain0), Tobias Powalowski (tpowa)
status with latest 2.6.34?