[+cc linux-pci, linux-kernel, dri-devel] On Sat, Sep 21, 2013 at 11:39 AM, <bugzilla-daemon@xxxxxxxxxxxxxxxxxxx> wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=61811 > > Bug ID: 61811 > Summary: kms mode breaks and using radeon.agpmode=-1 > Product: Drivers > Version: 2.5 > Kernel Version: 3.12 > Hardware: All > OS: Linux > Tree: Fedora > Status: NEW > Severity: normal > Priority: P1 > Component: PCI > Assignee: drivers_pci@xxxxxxxxxxxxxxxxxxxx > Reporter: bruno@xxxxxxxx > Regression: No > > I need to use radeon.agpmode=-1 with my rv280 based graphics card due to a long > (2+ years) standing bug with the driver. Recently I was no longer able to start > X because modesetting is no longer working. At boot I no longer see the > resolution change and I got log entries later in Xor.0.log saying "[KMS] drm > report modesetting isn't supported." > If I boot without radeon.agpmode=-1 X starts, though becomes unusable shortly > due to the pre-existing but. kernel-PAE-3.12.0-0.rc0.git22.2.fc21.i686 works > for me. kernel-PAE-3.12.0-0.rc0.git24.1.fc21.i686 doesn't work. (git23's build > failed so I didn't test that one.) > I did a git whatchanged d5d04bb..3711d86 which I think should have showed me > the commits that were in git24 and not git22 and I didn't see any specifically > directed at the radeon driver. I did see some PCI related commits. Thanks for the report! Can you attach the complete dmesg logs from the working kernel and the failing one (booted with "radeon.agpmode=-1") to the bugzilla? Also the output of "lspci -vv". Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
