https://bugs.freedesktop.org/show_bug.cgi?id=58556
--- Comment #9 from Joanand <[email protected]> --- (In reply to comment #7) > Hi Joanand Hi Emil > "Worked" with our without acceleration ? With GPUPWR, the discrete (nVidia 9600M GT) was no longer available. And as nouveau works with 9400 and acceleration, it worked with acceleration. > Did you had the chance to narrow down what caused the change (<3.4.9 vs > 3.7.1) ? It may be due to nouveau, vgaswitcheroo and/or other kernel driver 3.4.9 did not have a viable vgaswitcheroo, but 3.7+ did. GPUPWR did no longer help, as vgaswiteroo reactivated 9600m. So the sole solution was to use the nouveau driver without acceleration. > > There has been a brief discussion what is the best way to handle this > (passing nouveau params to specific card, disabling certain card etc.) > although implementation may be far off ;( > > Meanwhile add a hack for your card by checking the PCI and returning early > rather than initialising the card - not sure which location is better > nouveau_drm_probe or nouveau_drm_load. Keep in mind to keep is symmetric > (ie. handle the case in nouveau_drm_remove/nouveau_drm_unload) > > Your code will look something similar to > > if ((pdev->bus == xx) && > (pdev->dev == xx) && > (pdev->func == xx)) { > return 0; // you can also try return -E* > } > > Cheers > Emil Thanks for these pointers. I will try this hack on 3.10.2. I will report if I get any further. BR Joanand -- You are receiving this mail because: You are the assignee for the bug.
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