[+cc linux-pci, linux-kernel, dri-devel]
On Sat, Sep 21, 2013 at 11:39 AM, <[email protected]> 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: [email protected]
> Reporter: [email protected]
> 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
[+cc Dave]
On Mon, Sep 23, 2013 at 12:33 PM, Bjorn Helgaas <[email protected]> wrote:
> [+cc linux-pci, linux-kernel, dri-devel]
>
> On Sat, Sep 21, 2013 at 11:39 AM, <[email protected]> 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: [email protected]
>> Reporter: [email protected]
>> 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".
I don't see any obvious PCI issue there, so I reassigned the bugzilla
to the video folks.
Bjorn