Re: kern/50060: kernel crash with i915drmksm on Intel 965Q

Got 2yrs back dmesg out on the very same machine sampled by 6.99.23

at Aug 30 of 2013.

pchb0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok

agp0 at pchb0: detected 7676k stolen memory

agp0: aperture at 0xe0000000, size 0x20000000

vga0 at pci0 dev 2 function 0: vendor 0x8086 product 0x2992 (rev. 0x02)

wsdisplay0 at vga0 kdbmux 1: console (0x80x25, vt100 emulation), using wskbd0

wsmux1 : connecting to wdisplay0

i915drm0 at vga0: Intel i965Q

i915drm0: AGP at 0xe0000000 256MB

i915drm0: Industrialized i915 1.6.0 20080730

...

Toru Nishimura / ALKYL Technology

2015-07-20 13:09 GMT+09:00 Collector Mail <locore64%48gou.jp@localhost>:

>> i915drmksm0 at pci0 dev 2 function 0: vendor 0x8086 product 0x2992 (rev. 0x02)
>> DRM error in i915_gmch_probe: failed to set up gmch
>
> Is this the real problem?

No clue. Somehow older NetBSD kernel says something about "i915drm" and has
no trouble.

> Can you send the stack trace?

_atomic_swap_64() at netbsd:_atomic_swap_64+0x3
bus_space_reservation_unmap1() at netbsd:bus_space_reservation_unmap1+0xc2
bus_space_unmap() at netbsd:bus_space_unmap+0x38
i915_driver_load() at netbsd:i915_driver_load+0x971
drm_dev_register() at netbsd:drm_dev_register+0x87
drm_pci_attach() at netbsd:drm_pci_attach+0x2d5
i915drmkms_attach() at netbsd:i915drmkms_attach+0x92
config_attach_loc() at netbsd:config_attach_loc+0x16e
pci_probe_device() at netbsd:pci_probe_device+0x4ac
pci_emumerate_bus() at netbsd:pci_enumerate_bus+0x168
...

Toru Nishimura / ALKYL Technology