[Bugme-janitors] [Bug 14574] New: using a displayport connector results in stack in dmesg and blank screen

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Mon Nov 9 21:46:54 PST 2009


http://bugzilla.kernel.org/show_bug.cgi?id=14574

           Summary: using a displayport connector results in stack in
                    dmesg and blank screen
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.32-rc6
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri at kernel-bugs.osdl.org
        ReportedBy: wil.reichert at gmail.com
        Regression: No


Created an attachment (id=23719)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=23719)
dmesg output

Using a Radeon 4890 / Dell 3008WFP, a day or 2 old git kernel & kms built into
the kernel.  Works fine with DVI.

stack trace:

[    0.577043] WARNING: at drivers/gpu/drm/drm_crtc_helper.c:1031
drm_helper_initial_config+0x41/0x5c()
[    0.577048] Hardware name: OEM
[    0.577050] No connectors reported connected with modes
[    0.577053] Modules linked in:
[    0.577057] Pid: 1, comm: swapper Not tainted 2.6.32-rc6-linus #6
[    0.577060] Call Trace:
[    0.577066]  [<ffffffff81038fc9>] warn_slowpath_common+0x77/0x8f
[    0.577070]  [<ffffffff8103902e>] warn_slowpath_fmt+0x3c/0x3e
[    0.577074]  [<ffffffff812c6e56>] drm_helper_initial_config+0x41/0x5c
[    0.577080]  [<ffffffff8130604a>] radeon_modeset_init+0x521/0x532
[    0.577085]  [<ffffffff812f4590>] radeon_driver_load_kms+0xd9/0xe9
[    0.577089]  [<ffffffff812cee70>] drm_get_dev+0x356/0x462
[    0.577094]  [<ffffffff814c7c09>] radeon_pci_probe+0x10/0x12
[    0.577099]  [<ffffffff8125aa7b>] local_pci_probe+0x12/0x16
[    0.577103]  [<ffffffff8125b284>] pci_device_probe+0x60/0x8f
[    0.577107]  [<ffffffff81331e90>] ? driver_sysfs_add+0x47/0x6c
[    0.577112]  [<ffffffff81331fd4>] driver_probe_device+0xa6/0x137
[    0.577116]  [<ffffffff813320bd>] __driver_attach+0x58/0x7c
[    0.577120]  [<ffffffff81332065>] ? __driver_attach+0x0/0x7c
[    0.577124]  [<ffffffff8133182e>] bus_for_each_dev+0x4e/0x83
[    0.577128]  [<ffffffff81331e47>] driver_attach+0x19/0x1b
[    0.577133]  [<ffffffff813311c6>] bus_add_driver+0xb8/0x204
[    0.577137]  [<ffffffff81332394>] driver_register+0x98/0x109
[    0.577141]  [<ffffffff8125b4ca>] __pci_register_driver+0x53/0xc3
[    0.577146]  [<ffffffff814d2e10>] ? printk+0x3c/0x44
[    0.577151]  [<ffffffff817a4634>] ? radeon_init+0x0/0xc1
[    0.577155]  [<ffffffff812cac30>] drm_init+0x6b/0xd1
[    0.577159]  [<ffffffff817a4634>] ? radeon_init+0x0/0xc1
[    0.577163]  [<ffffffff817a46f3>] radeon_init+0xbf/0xc1
[    0.577168]  [<ffffffff8100905f>] do_one_initcall+0x59/0x149
[    0.577172]  [<ffffffff81782658>] kernel_init+0x14b/0x1a1
[    0.577177]  [<ffffffff8100bdea>] child_rip+0xa/0x20
[    0.577181]  [<ffffffff8178250d>] ? kernel_init+0x0/0x1a1
[    0.577185]  [<ffffffff8100bde0>] ? child_rip+0x0/0x20
[    0.577191] ---[ end trace 182f58d67963377a ]---

full dmesg attached

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