Bug 104413

Summary: [NV11] GPU Lockup on GeForce2 MX/MX 400
Product: xorg Reporter: rtentser
Component: Driver/nouveauAssignee: Nouveau Project <nouveau>
Status: NEW --- QA Contact: Xorg Project Team <xorg-team>
Severity: major    
Priority: medium CC: rtentser
Version: unspecified   
Hardware: x86 (IA32)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
kern.log
none
dmesg (linux-4.9, modprobe.blacklist=i915, nouveau.config=NvAGP=0) none

Description rtentser 2017-12-29 17:36:19 UTC
Created attachment 136447 [details]
kern.log

Boot freezes when X starts. The screen shows a garbage. Before it console show:
[...] desktop kernel: [   14.060255] nouveau 0000:01:00.0: DRM: GPU lockup - switching to software fbcon

Same thing happens with 4.9, 4.13 and 4.14 kernel.

I used this card on motherboard with NForce2 chipset and it worked fine (with 4.9 kernel). Now i use P4i65GV with Intel 865GV chipset. I think there can be some drivers conflicts.

Boot with "nomodeset" option works.
Comment 1 rtentser 2017-12-29 17:38:37 UTC
https://bugs.freedesktop.org/show_bug.cgi?id=91037 is the similar (may be the same) problem.
Comment 2 Ilia Mirkin 2017-12-29 17:44:43 UTC
Does nouveau.config=NvAGP=0 help?

I assume this is an AGP device?
Comment 3 rtentser 2017-12-29 18:03:39 UTC
Yes, it works. Thank you!

Yes, it's an AGP device.
Comment 4 Ilia Mirkin 2017-12-29 18:29:32 UTC
A few things:

(a) The messages in your dmesg are very confusing. They talk about a 4M AGP aperture, but then 128MB GTT?
(b) You appear to have the onboard video enabled. I don't know about i865, but at least some chipsets were unable to both do AGP *and* use onboard video.
(c) Try enabling AGP by forcing a specific mode. e.g. nouveau.config=NvAGP=2 will force AGP 2x.
Comment 5 rtentser 2017-12-29 18:52:35 UTC
Created attachment 136448 [details]
dmesg (linux-4.9, modprobe.blacklist=i915, nouveau.config=NvAGP=0)

(a) 128MB is default memory that assigned to onboard video. It's not the AGP.
(b) Yes, i had onboard card enabled (Intel Extreme Graphics 2, i915). But that wasn't the problem: i try to blacklist the driver and boot still freezed. I blacklist it now for efficiency and smaller dmesg.
(c) nouveau.config=NvAGP=2 doesn't work: same thing.
Comment 6 Ilia Mirkin 2017-12-29 18:57:38 UTC
(In reply to rtentser from comment #5)
> (b) Yes, i had onboard card enabled (Intel Extreme Graphics 2, i915). But
> that wasn't the problem: i try to blacklist the driver and boot still
> freezed. I blacklist it now for efficiency and smaller dmesg.

Well, just because you don't load the driver doesn't make it disabled. It'd be something in the BIOS.
Comment 7 rtentser 2017-12-29 19:13:22 UTC
The BIOS let me choose a priority of the graphic devices (AGI is first, than PCI, than onboard). I didn't find option to disable the onboard video. So, it may be it. Or not. I don't know how to check.

And i try the values from 3 to 7 with the NvAGP option. It didn't work.

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