https://bugs.freedesktop.org/show_bug.cgi?id=70687
Priority: medium Bug ID: 70687 Assignee: dri-devel@lists.freedesktop.org Summary: vgaswitcheroo issues on Linux 3.12 Severity: normal Classification: Unclassified OS: All Reporter: krejzi@email.com Hardware: Other Status: NEW Version: unspecified Component: DRM/Radeon Product: DRI
I have a hybrid graphics laptop with Radeon HD 6450M and Intel HD 3000 graphics card. When I try to turn off the discrete (Radeon) card, I see these warnings
[ 22.571557] radeon: switched off [ 22.574274] [drm] Disabling audio 0 support [ 22.722913] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=none,decodes=io+mem:owns=none [ 22.723011] [drm:rv770_stop_dpm] *ERROR* Could not force DPM to low. [ 22.724032] [drm] radeon: finishing device. [ 22.725203] radeon 0000:01:00.0: ffff8801d829b000 unpin not necessary [ 22.731923] ------------[ cut here ]------------ [ 22.731929] WARNING: CPU: 0 PID: 30 at drivers/gpu/drm/drm_mm.c:578 ttm_bo_man_takedown+0x29/0x53() [ 22.731930] Memory manager not clean during takedown. [ 22.731931] Modules linked in: wl(PO) [ 22.731935] CPU: 0 PID: 30 Comm: kworker/0:1 Tainted: P O 3.12.0-rc6-krejzi #1 [ 22.731936] Hardware name: Hewlett-Packard HP Pavilion g6 Notebook PC /1670, BIOS F.66 01/24/2013 [ 22.731940] Workqueue: kacpi_hotplug hotplug_event_work [ 22.731941] 0000000000000000 ffffffff8173bd07 ffff8801d8b07bb8 ffffffff810b4d94 [ 22.731943] ffffffff813c8999 ffff8801d826d480 ffff8801d8b07c08 ffffffff81c590f0 [ 22.731945] ffff8801d8ad9000 ffffffff810b4df0 ffffffff81ac0ef9 0000000000000018 [ 22.731947] Call Trace: [ 22.731951] [<ffffffff8173bd07>] ? dump_stack+0x41/0x51 [ 22.731954] [<ffffffff810b4d94>] ? warn_slowpath_common+0x6f/0x84 [ 22.731956] [<ffffffff813c8999>] ? ttm_bo_man_takedown+0x29/0x53 [ 22.731958] [<ffffffff810b4df0>] ? warn_slowpath_fmt+0x47/0x49 [ 22.731962] [<ffffffff813c4f3d>] ? ttm_bo_force_list_clean+0x35/0x8f [ 22.731963] [<ffffffff813c8999>] ? ttm_bo_man_takedown+0x29/0x53 [ 22.731966] [<ffffffff813de2dd>] ? radeon_ttm_fini+0x70/0xc2 [ 22.731969] [<ffffffff813deb85>] ? radeon_bo_fini+0x9/0x15 [ 22.731971] [<ffffffff8141929f>] ? evergreen_fini+0x9a/0xbb [ 22.731973] [<ffffffff813cb17a>] ? radeon_device_fini+0x31/0xe8 [ 22.731976] [<ffffffff813cc71d>] ? radeon_driver_unload_kms+0x33/0x4b [ 22.731977] [<ffffffff813b2c0f>] ? drm_put_dev+0x6e/0x162 [ 22.731981] [<ffffffff81333536>] ? pci_device_remove+0x38/0x80 [ 22.731984] [<ffffffff814c09c0>] ? __device_release_driver+0x7e/0xd4 [ 22.731986] [<ffffffff814c0a2f>] ? device_release_driver+0x19/0x23 [ 22.731988] [<ffffffff814c0437>] ? bus_remove_device+0xf1/0x106 [ 22.731990] [<ffffffff814be08e>] ? device_del+0x124/0x17a [ 22.731992] [<ffffffff8132effa>] ? pci_stop_bus_device+0x3f/0x83 [ 22.731993] [<ffffffff8132f10f>] ? pci_stop_and_remove_bus_device+0x9/0x12 [ 22.731995] [<ffffffff81343c04>] ? disable_slot+0x5f/0x9a [ 22.731998] [<ffffffff81343cb1>] ? acpiphp_check_bridge+0x72/0x88 [ 22.732000] [<ffffffff8134490b>] ? hotplug_event+0x128/0x1a9 [ 22.732002] [<ffffffff813593b2>] ? acpi_os_release_object+0x5/0x8 [ 22.732005] [<ffffffff813449a9>] ? hotplug_event_work+0x1d/0x45 [ 22.732007] [<ffffffff810c61d4>] ? process_one_work+0x15a/0x215 [ 22.732008] [<ffffffff810c663a>] ? worker_thread+0x139/0x1de [ 22.732009] [<ffffffff810c6501>] ? rescuer_thread+0x24f/0x24f [ 22.732012] [<ffffffff810ca953>] ? kthread+0x7d/0x85 [ 22.732014] [<ffffffff810d0000>] ? smpboot_thread_fn+0x58/0x15a [ 22.732016] [<ffffffff810ca8d6>] ? __kthread_parkme+0x59/0x59 [ 22.732019] [<ffffffff817431fc>] ? ret_from_fork+0x7c/0xb0 [ 22.732021] [<ffffffff810ca8d6>] ? __kthread_parkme+0x59/0x59 [ 22.732022] ---[ end trace f0e6c4701bfb902e ]--- [ 22.732027] [TTM] Finalizing pool allocator [ 22.732030] [TTM] Finalizing DMA pool allocator [ 22.732033] ------------[ cut here ]------------ [ 22.732036] WARNING: CPU: 0 PID: 30 at drivers/gpu/drm/ttm/ttm_page_alloc_dma.c:533 ttm_dma_free_pool+0xaa/0xcf() [ 22.732036] Modules linked in: wl(PO) [ 22.732038] CPU: 0 PID: 30 Comm: kworker/0:1 Tainted: P W O 3.12.0-rc6-krejzi #1 [ 22.732039] Hardware name: Hewlett-Packard HP Pavilion g6 Notebook PC /1670, BIOS F.66 01/24/2013 [ 22.732041] Workqueue: kacpi_hotplug hotplug_event_work [ 22.732042] 0000000000000000 ffffffff8173bd07 0000000000000000 ffffffff810b4d94 [ 22.732044] ffffffff813c910a ffff8801d826d540 ffff8801d8b08280 0000000000000008 [ 22.732045] ffff8801d8ad9000 ffffffff813c910a ffff8801d7c10128 ffff8801d7c10128 [ 22.732047] Call Trace: [ 22.732049] [<ffffffff8173bd07>] ? dump_stack+0x41/0x51 [ 22.732051] [<ffffffff810b4d94>] ? warn_slowpath_common+0x6f/0x84 [ 22.732052] [<ffffffff813c910a>] ? ttm_dma_free_pool+0xaa/0xcf [ 22.732054] [<ffffffff813c910a>] ? ttm_dma_free_pool+0xaa/0xcf [ 22.732056] [<ffffffff813c9c57>] ? ttm_dma_page_alloc_fini+0x82/0xa3 [ 22.732058] [<ffffffff813c2ac4>] ? ttm_mem_global_release+0x13/0x65 [ 22.732060] [<ffffffff813bf9a1>] ? drm_global_item_unref+0x49/0x60 [ 22.732062] [<ffffffff813de30e>] ? radeon_ttm_fini+0xa1/0xc2 [ 22.732064] [<ffffffff813deb85>] ? radeon_bo_fini+0x9/0x15 [ 22.732066] [<ffffffff8141929f>] ? evergreen_fini+0x9a/0xbb [ 22.732067] [<ffffffff813cb17a>] ? radeon_device_fini+0x31/0xe8 [ 22.732069] [<ffffffff813cc71d>] ? radeon_driver_unload_kms+0x33/0x4b [ 22.732071] [<ffffffff813b2c0f>] ? drm_put_dev+0x6e/0x162 [ 22.732073] [<ffffffff81333536>] ? pci_device_remove+0x38/0x80 [ 22.732075] [<ffffffff814c09c0>] ? __device_release_driver+0x7e/0xd4 [ 22.732077] [<ffffffff814c0a2f>] ? device_release_driver+0x19/0x23 [ 22.732079] [<ffffffff814c0437>] ? bus_remove_device+0xf1/0x106 [ 22.732080] [<ffffffff814be08e>] ? device_del+0x124/0x17a [ 22.732082] [<ffffffff8132effa>] ? pci_stop_bus_device+0x3f/0x83 [ 22.732083] [<ffffffff8132f10f>] ? pci_stop_and_remove_bus_device+0x9/0x12 [ 22.732085] [<ffffffff81343c04>] ? disable_slot+0x5f/0x9a [ 22.732087] [<ffffffff81343cb1>] ? acpiphp_check_bridge+0x72/0x88 [ 22.732089] [<ffffffff8134490b>] ? hotplug_event+0x128/0x1a9 [ 22.732091] [<ffffffff813593b2>] ? acpi_os_release_object+0x5/0x8 [ 22.732093] [<ffffffff813449a9>] ? hotplug_event_work+0x1d/0x45 [ 22.732095] [<ffffffff810c61d4>] ? process_one_work+0x15a/0x215 [ 22.732096] [<ffffffff810c663a>] ? worker_thread+0x139/0x1de [ 22.732097] [<ffffffff810c6501>] ? rescuer_thread+0x24f/0x24f [ 22.732099] [<ffffffff810ca953>] ? kthread+0x7d/0x85 [ 22.732101] [<ffffffff810d0000>] ? smpboot_thread_fn+0x58/0x15a [ 22.732103] [<ffffffff810ca8d6>] ? __kthread_parkme+0x59/0x59 [ 22.732105] [<ffffffff817431fc>] ? ret_from_fork+0x7c/0xb0 [ 22.732107] [<ffffffff810ca8d6>] ? __kthread_parkme+0x59/0x59 [ 22.732108] ---[ end trace f0e6c4701bfb902f ]--- [ 22.732134] [TTM] Zone kernel: Used memory at exit: 13 kiB [ 22.732144] [TTM] Zone dma32: Used memory at exit: 13 kiB [ 22.732145] [drm] radeon: ttm finalized [ 22.732147] vga_switcheroo: disabled