Ubuntu
xserver-xorg-video-intel package

  1. Bug #221119
  2. Comment #43

Comment 43 for bug 221119

Revision history for this message
Marcelo Bianchi (m-tchelo) wrote : Re: [gutsy, hardy, intrepid] Blank screen and (EE) intel(0): overrun on pipe B! on i945GM using intel driver

Hi,

I had a similar problem. Since I updated from hardy and I didn't use compiz and any effect on the desktop at the first boot things seens to be alright. But If I make am logout the screens goes blank and that's it, you can kill and restart the gdm as many times you want that nothing can help.

After being pissed of about it I reformated the machine and re-instaled hardy again. The instalation goes okay and them, at the first update I made, it instaled kernel linux-headers-2.6.24-21 and the stop booting. Actually it booted but when the gdm started the screen goes blank. For me just changing back the kernel 2.6.24-19 made everything works again, so maybe the problem with this driver could be at the intel DRM kernel stuff. I remenber that the package linux-kernel-2.6.24-21 changed something at the DRM for this intel driver ..... From the change log ....

  * Only allow access to DRM_I915_HWS_ADDR ioctl() for Xserver.
    - CVE-2008-383

maybe that's the bad guy that entered in action !

some info ...

00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01) (prog-if 00 [VGA controller])
        Subsystem: Compaq Computer Corporation Evo D510 SFF
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Latency: 0
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at f0000000 (32-bit, prefetchable) [size=128M]
        Region 1: Memory at fc400000 (32-bit, non-prefetchable) [size=512K]
        Capabilities: [d0] Power Management version 1
                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

This is the DRM that works ....

[ 55.482335] [drm] Initialized drm 1.1.0 20060810
[ 55.555924] ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 16
[ 55.555936] PCI: Setting latency timer of device 0000:00:02.0 to 64
[ 55.556049] [drm] Initialized i915 1.6.0 20060119 on minor 0

I don't now how to get the info with the kernel that doesn't work, the machine just halt !

best wishes

marcelob