Yeah the issue is with the driOpenDriver function at least that what I think from what I saw in gdb.
On Fri, Feb 5, 2016 at 12:06 PM, Mike <michael.hel...@gmail.com> wrote: > True, a permanent patch was needed, but at least we are up and running and > can identify other issues.. In the thread with the patches it is > highlighted that the drivers are broken in the first place > > On 5 February 2016 at 17:51, Herminio Hernandez, Jr. < > herminio.hernande...@gmail.com> wrote: > >> I have already applied his patches on my PowerBook running Jessie to get >> accelerated graphics. However they are only a work around and not a real >> fix so they will be committed to mesa. >> >> On Fri, Feb 5, 2016 at 8:44 AM, Mike <michael.hel...@gmail.com> wrote: >> >>> Herminio, >>> >>> Ok, take a look at this. >>> https://github.com/threader/mesa-11.1.1-ppc-r300-debian or if on stable >>> maybe this is more fitting >>> https://github.com/threader/mesa-10.6.3-ppc-r300-debian - this only >>> fixes the issue for r300 on powerpc though. >>> >>> On 5 February 2016 at 14:32, Herminio Hernandez Jr. < >>> herminio.hernande...@gmail.com> wrote: >>> >>>> I have been experiencing the same thing with my iBook and PowerBook. >>>> >>>> Sent from my iPhone >>>> >>>> On Feb 4, 2016, at 8:47 PM, Mike <michael.hel...@gmail.com> wrote: >>>> >>>> Hi. >>>> Managed to get the Radeon R300 running on mesa 11.1.1 with an old 2013 >>>> patch from Michel Dànzer, next problem is of course enabling agpmode, >>>> running with pci-mode with radeon.agpmode=-1 works, but is of course slow, >>>> and seems to load the cpu a lot. >>>> >>>> Upon initial investigation i could not initially believe agp could be >>>> this this broken for this long, until i found this. >>>> "committed with Ben Skeggs on Feb 26, 2013" >>>> >>>> https://github.com/DespairFactor/bullhead/commit/650e1203c11354ba84d69ba445abc0efcfe3890a >>>> >>>> http://lxr.free-electrons.com/source/drivers/gpu/drm/nouveau/nouveau_agp.c?v=4.2 >>>> #ifdef __powerpc__ >>>> /* Disable AGP by default on all PowerPC machines for >>>> * now -- At least some UniNorth-2 AGP bridges are >>>> * known to be broken: DMA from the host to the card >>>> * works just fine, but writeback from the card to the >>>> * host goes straight to memory untranslated bypassing >>>> * the GATT somehow, making them quite painful to deal >>>> * with... >>>> */ >>>> if (nouveau_agpmode == -1) >>>> return false; >>>> #endif >>>> >>>> and now later this: >>>> >>>> https://github.com/torvalds/linux/blob/master/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.c >>>> #ifdef __powerpc__ >>>> /* Disable AGP by default on all PowerPC machines for now -- At >>>> * least some UniNorth-2 AGP bridges are known to be broken: >>>> * DMA from the host to the card works just fine, but writeback >>>> * from the card to the host goes straight to memory >>>> * untranslated bypassing that GATT somehow, making them quite >>>> * painful to deal with... >>>> */ >>>> mode = 0; >>>> #endif >>>> >>>> All seems to point to serious issues had around the time of change to >>>> ums to kms and a serious regression hitting the linux kernel? No? >>>> >>>> Cheers >>>> -Mike >>>> >>>> _______________________________________________ >>>> Linuxppc-dev mailing list >>>> Linuxppc-dev@lists.ozlabs.org >>>> https://lists.ozlabs.org/listinfo/linuxppc-dev >>>> >>>> >>> >> >
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