Doug Larrick wrote:
> Package: xserver-xorg-video-intel
> Version: 2:2.3.2-2+lenny2
> Severity: normal
>
>
> On my system (Asus P5E-VM HDMI, with onboard Intel G35 graphics),
> after a suspend-to-RAM cycle I cannot restart the X server -- it
> fails to find the graphics controller. I should note that the
> existing X server runs fine and is completely useable, but should I
> need to restart it for any reason I must reboot in order to do so.
>
> I have attached 3 Xorg log files, in addition to the failing log
> attached by Reportbug:
> Xorg.0.log.firstboot After a fresh reboot
> Xorg.0.log.restartok Before suspend-to-RAM, able to restart X
> Xorg.0.log.resumed After resuming from RAM
> Xorg.0.log (attached by Reportbug) Failed attempt to restart X after resume
>
> Examining the differences between these files, an interesting
> observation is that on the failed attempt, some of the PCI details for
> the graphics controller have changed.
>
Indeed:
@@ -60,7 +60,7 @@
(II) PCI: PCI scan (all values are in hex)
(II) PCI: 00:00:0: chip 8086,2980 card 1043,8295 rev 03 class 06,00,00
hdr 00
-(II) PCI: 00:02:0: chip 8086,2982 card 1043,8276 rev 03 class 03,00,00
hdr 80
+(II) PCI: 00:02:0: chip 8086,2982 card 1043,8276 rev 03 class 03,80,00
hdr 80
(II) PCI: 00:02:1: chip 8086,2983 card 1043,8276 rev 03 class 03,80,00
hdr 80
(II) PCI: 00:1a:0: chip 8086,2937 card 1043,8277 rev 02 class 0c,03,00
hdr 80
(II) PCI: 00:1a:1: chip 8086,2938 card 1043,8277 rev 02 class 0c,03,00
hdr 00
@@ -111,7 +111,7 @@
[0] -1 0 0xfeb00000 - 0xfebfffff (0x100000) MX[B]
(II) PCI-to-ISA bridge:
(II) Bus -1: bridge is at (0:31:0), (0,-1,-1), BCTRL: 0x0008 (VGA_EN is
set)
-(--) PCI:*(0:2:0) Intel Corporation 965 G1 Integrated Graphics
Controller rev 3, Mem @ 0xfe800000/20, 0xd0000000/28, I/O @ 0xcc00/3
+(--) PCI: (0:2:0) Intel Corporation 965 G1 Integrated Graphics
Controller rev 3, Mem @ 0xfe800000/20, 0xd0000000/28, I/O @ 0xcc00/3
(--) PCI: (0:2:1) Intel Corporation unknown chipset (0x2983) rev 3, Mem
@ 0xfe900000/20
(II) Addressable bus resource ranges are
[0] -1 0 0x00000000 - 0xffffffff (0x0) MX[B]
I would say this is a kernel bug since the PCI layout isn't supposed to
change like this. Fortunately, the PCI maintainer in the kernel is also
one of the Intel driver maintainer, I'll talk to him.
Brice
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