Bug 106512 - Fatal: NVIDIA GEFORCE 320M MCP89: Can't start X on kernel 4.15
Summary: Fatal: NVIDIA GEFORCE 320M MCP89: Can't start X on kernel 4.15
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/nouveau (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: high normal
Assignee: Nouveau Project
QA Contact: Xorg Project Team
Depends on:
Reported: 2018-05-14 13:23 UTC by h1746780
Modified: 2019-12-04 09:39 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

Kernel log (142.13 KB, text/plain)
2018-05-14 13:23 UTC, h1746780
no flags Details
miwujivelu.kernel.log (253.83 KB, text/plain)
2018-05-14 13:40 UTC, h1746780
no flags Details
possible fix (873 bytes, text/plain)
2018-07-05 17:29 UTC, Karol Herbst
no flags Details

Description h1746780 2018-05-14 13:23:54 UTC
Created attachment 139554 [details]
Kernel log

I'm no more able to use nouveau on system with GeForce 320M MCP89.
X server fails start.

This happened when I upgraded my ubuntu from 17.10 (works good) to 18.04.

Ubuntu 18.04 live CD has same issue.

Please see kernel.log
Comment 1 h1746780 2018-05-14 13:31:24 UTC
Anoher log when I tried to start with 4.15 and 4.13 after ubuntu 17.10 upgrade to 18.04:

Comment 2 h1746780 2018-05-14 13:40:43 UTC
Created attachment 139555 [details]
Comment 3 Ilia Mirkin 2018-05-14 13:51:43 UTC
A brief check reveals that mcp89's mmu is hooked up to g84_mmu and not mcp77_mmu. No clue if that's on purpose or not.
Comment 4 Karol Herbst 2018-07-05 17:29:13 UTC
Created attachment 140478 [details]
possible fix

mind trying that patch and see if that's better?
Comment 5 crmlt 2018-07-06 20:11:07 UTC
Provided patch fixed the regression.
Comment 6 Karol Herbst 2018-11-16 14:35:17 UTC
it is still an issue
Comment 7 Martin Peres 2019-12-04 09:39:32 UTC
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