http://bugzilla.kernel.org/show_bug.cgi?id=12924
Summary: On GM965 KMS enabled kernel X does not draw untill mouse
is moved. Probably IRQ problems.
Product: Drivers
Version: 2.5
KernelVersion: 2.6.29
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: blocking
Priority: P1
Component: Video(DRI)
AssignedTo: [email protected]
ReportedBy: [email protected]
Latest working kernel version: Every version with KMS disabled.
Earliest failing kernel version: Same problem with 2.6.29rc8
Distribution: GNU/Linux Debian Sid
Hardware Environment: 00:02.0 VGA compatible controller: Intel Corporation
Mobile GM965/GL960 Integrated Graphics Controller (rev 0c)
Software Environment: Xorg(master) libdrm(master) xf86-intel(master)
mesa(master)
Problem Description: X does not draw elements unless mouse currsor is moved.
Moreover things are horribly slow.
Also after booting in KMS enabled mode.
grep i915 /proc/interrupts
29: 1 0 PCI-MSI-edge i915
After booting in KMS disabled mode.
grep i915 /proc/interrupts
29: 5853 5411 PCI-MSI-edge i...@pci:0000:00:02.0
dmesg/syslog/Xorg.0.log does not produce any strange information so not
attached.
Steps to reproduce: Boot in KMS enabled kernel 2.6.29 on GM965 with software as
above and startx or gdm.
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