在 2012年2月16日 下午5:21,Chen Jie <chenj@xxxxxxxxxx> 写道: > Hi, > > 在 2012年2月15日 下午11:53,Jerome Glisse <j.glisse@xxxxxxxxx> 写道: >> To me it looks like the CP is trying to fetch memory but the >> GPU memory controller fail to fullfill cp request. Did you >> check the PCI configuration before & after (when things don't >> work) My best guest is PCI bus mastering is no properly working >> or the PCIE GPU gart table as wrong data. >> >> Maybe one need to drop bus master and reenable bus master to >> work around some bug... > Thanks for your suggestion. We've tried the 'drop and reenable master' > trick, unfortunately doesn't work. > The PCI configuration compare will be done later. Update: We've checked the first 64 bytes of PCI configuration space before & after, and didn't find any difference. Regards, -- Chen Jie _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel