Re: i386 DRMKMS results, 22 May 2014

["John D. Baker" <jdbaker%mylinuxisp.com@localhost>]

On Wed, 21 May 2014, Taylor R Campbell wrote:

> I re-enabled various DMI-based quirkarounds, including one for the 845
> device you have.  Can you update and try again?
> 
> (That won't fix the problem that the kernel panics if the hardware is
> a little hosed, unfortunately.)

Unfortunately, it broke again.

NetBSD 6.99.42 (DRMKMS) #18: Thu May 22 06:56:53 CDT 2014
        
sysop%verthandi.technoskunk.fur@localhost:/d0/build/current/obj/i386/sys/arch/i386/compile/DRMKMS
total memory = 2046 MB
avail memory = 1996 MB
mainbus0 (root)       
ACPI: RSDP 0xfeba0 000014 (v00 DELL  )
ACPI: RSDT 0xfd509 000038 (v01 DELL    GX260   00000009 ASL  00000061)
ACPI: FACP 0xfd541 000074 (v01 DELL    GX260   00000009 ASL  00000061)
[...]
pchb0 at pci0 dev 0 function 0: Intel 82845G/GL DRAM Controller / Host-Hub I/F 
Bridge (rev. 0x01)
agp0 at pchb0: detected 892k stolen memory
agp0: aperture at 0xf0000000, size 0x8000000
i915drmkms0 at pci0 dev 2 function 0: Intel 82845G/GL Integrated Graphics 
Device (rev. 0x01)
drmkms0 at i915drmkms0
drm: Memory usable by graphics device = 128M
drm: Supports vblank timestamp caching Rev 1 (10.10.2010).
drm: Driver supports precise vblank timestamp query.      
i915drmkms0: unable to map ROM                      
drm: failed to find VBIOS tables
drm: applying pipe a force quirk
drm: GMBUS [i915 gmbus ssc] timed out, falling back to bit banging on pin 1
drm: initialized overlay support                                           
drmkms0: interrupting at ioapic0 pin 16 (i915)
wsdisplay0 at i915drmkms0 kbdmux 1            
drmkms0: info: registered panic notifier
[...]
DRM error in i915_get_vblank_timestamp: Invalid crtc 1
fatal page fault in supervisor mode                   
trap type 6 code 0 eip c09f4616 cs 8 eflags 10202 cr2 49aa0d3e ilevel 8 esp 
c33d1240
curlwp 0xc0ed7140 pid 0 lid 1 lowest kstack 0xc10fc2c0
kernel: supervisor trap page fault, code=0            
Stopped in pid 0.1 (system) at  netbsd:cv_wakeup_one+0x4a:      cmpl    %ebx,d0(
%esi)                                                                          
db{0}> bt
fatal page fault in supervisor mode
trap type 6 code 0 eip c029eb64 cs 8 eflags 10246 cr2 21d22848 ilevel 8 esp 0
curlwp 0xc0ed7140 pid 0 lid 1 lowest kstack 0xc10fc2c0                       
kernel: supervisor trap page fault, code=0            
Faulted in DDB; continuing...             
db{0}>                       


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