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Bug 613338 - sys-power/bbswitch with x11-drivers/nvidia-drivers is not compatible with kernel PCI Express power management
Summary: sys-power/bbswitch with x11-drivers/nvidia-drivers is not compatible with ker...
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal with 1 vote (vote)
Assignee: Pacho Ramos
Keywords: NeedPatch, UPSTREAM
Depends on:
Reported: 2017-03-20 18:48 UTC by Stefano
Modified: 2022-07-24 08:33 UTC (History)
5 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description Stefano 2017-03-20 18:48:25 UTC
As detailed here:

and here:

kernel >3.6.8 added pcie_port_pm that is incompatible with bumblebee.

The workaround is to disable PCI Express power management at boot, passing pcie_port_pm=off, but that's hardly a solution.
Comment 1 Pacho Ramos gentoo-dev 2020-05-31 13:45:27 UTC
Per upstream bug it seems a bbswitch bug
Comment 2 Stefano 2021-04-17 08:14:28 UTC
Still true as of bumblebee 3.2.1_p20210112-r4