| Summary: | GF117M nvkm_pmu_pgob fault - v4.3 regression | ||||||
|---|---|---|---|---|---|---|---|
| Product: | xorg | Reporter: | Wu Xiaotian <xiaotian.wu> | ||||
| Component: | Driver/nouveau | Assignee: | Nouveau Project <nouveau> | ||||
| Status: | RESOLVED MOVED | QA Contact: | Xorg Project Team <xorg-team> | ||||
| Severity: | normal | ||||||
| Priority: | medium | CC: | marci_r | ||||
| Version: | unspecified | ||||||
| Hardware: | x86-64 (AMD64) | ||||||
| OS: | Linux (All) | ||||||
| Whiteboard: | |||||||
| i915 platform: | i915 features: | ||||||
| Attachments: |
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Interesting. The v4.3 kernel has:
void
nvkm_pmu_pgob(struct nvkm_pmu *pmu, bool enable)
{
if (pmu->func->pgob)
pmu->func->pgob(pmu, enable);
}
But Ben's latest upstream has:
void
nvkm_pmu_pgob(struct nvkm_pmu *pmu, bool enable)
{
if (pmu && pmu->func->pgob)
pmu->func->pgob(pmu, enable);
}
And indeed it looks like the GF117 is missing a PMU definition. I have no idea why that'd be the case, but it was that way before the rewrite as well. The simplest thing is to fix up that function as above, but I think we may also want to enable the PMU on GF117.
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Created attachment 119500 [details] error message. Dell notebook vostro 2421, lspci output: Intel Corporation 3rd Gen Core processor Graphics Controller NVIDIA Corporation GF117M [GeForce 610M/710M/810M/820M / GT 620M/625M/630M/720M] When use kernel 4.2.x, all is ok. If use kernel 4.3.x, kernel panic. Please see attachment for more message.