Re: qemu-system-sparc64 not booting install of debian sparc64
On 30/06/2020 16:13, Connor McLaughlan wrote:
> On Tue, Jun 30, 2020 at 5:07 PM Adrian Davey <adrian@beth2.org> wrote:
>>> Now it crashes after some VGA init:
>>>
>>> [ 84.672537] [drm] Found bochs VGA, ID 0xb0c5.
>>> [ 84.673255][drm] Framebuffer size 16384 kB @ 0x1ff22000000, mmio @
>>> 0x1ff23000000.
>>> [ 84.711815] [TTM] Zone kernel: Available graphics memory: 2067220 KiB
>>> [ 84.712821] [TTM] Initializing pool allocator
>>> qemu: fatal: Trap 0x0032 while trap level (5) >= MAXTL (5), Error state
>>> pc: 0000000000405618 npc: 000000000040561c
>>> ...
>>> pstate: 00000015 ccr: 00 (icc: ---- xcc: ----) asi: 11 tl: 5 pil: 0
>>> gl: 2 tbr: 0000000000420000 hpstate: 0000000000000000 htba:
>>> 0000000000000000 cansave: 5 canrestore: 1 otherwin: 0 wstate: 8
>>> cleanwin: 7 cwp: 7 fsr: 0000000000000000 y: 0000000000000000 fprs:
>>> 0000000000000000 Aborted
>>>
>>> I guess i will have to try some framebuffer kernel settings and stuff.
>>>
>>> Regards,
>>> Connor
>>
>>
>> Hi Connor,
>>
>> Taken from https://wiki.debian.org/Sparc64Qemu
>>
>> Create/edit /etc/modprobe.d/drm-blacklist.conf
>>
>> # blacklist of DRM modules that do not load on qemu-system-sparc64 sun4u
>> blacklist drm
>> blacklist bochs-drm
>> blacklist ttm
>>
>>
>> May help you here.
>>
>> Cheers,
>>
>> Adrian
>
>
> I ended up passing the additional kernel parameter
> "modprobe.blacklist=bochs_drm"
> System is up and running in text mode as expected.
>
> Thank you!
That's annoying as I submitted a patch a couple of years ago to fix this, and it was
working (see
https://github.com/torvalds/linux/commit/931e8c661a2d85e6bdfe145cfc52dffaf4a60516).
What version of the kernel are you using? Did someone manage to break it again?
ATB,
Mark.
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