https://bugs.freedesktop.org/show_bug.cgi?id=70687
--- Comment #4 from Teofilis.Martisius at gmail.com --- I can confirm that I have a similar issue on 3.12.0. I have Asus K73TA laptop with AMD APU A6-3400M and a discrete card Radeon 6550M. VGA Switcheroo device was created successfully with 3.11, but disappeared on 3.12.0. Error from dmesg: [ 25.783824] radeon: switched off [ 25.941949] hdaps: supported laptop not found! [ 25.941958] hdaps: driver init failed (ret=-19)! [ 26.552954] nbd1: unknown partition table [ 26.806322] input: ACPI Virtual Keyboard Device as /devices/virtual/input/input16 [ 29.169987] [drm:rv770_stop_dpm] *ERROR* Could not force DPM to low. [ 29.174291] [drm] radeon: finishing device. [ 29.175825] radeon 0000:01:00.0: ffff880148cadc00 unpin not necessary [ 29.184651] ------------[ cut here ]------------ [ 29.184690] WARNING: CPU: 0 PID: 2890 at drivers/gpu/drm/drm_mm.c:578 ttm_bo_man_takedown+0x29/0x60 [ttm]() [ 29.184694] Memory manager not clean during takedown. [ 29.184697] Modules linked in: input_polldev binfmt_misc uinput nfsd auth_rpcgss oid_registry nfs_acl nfs lockd sunrpc md4 hmac nls_utf8 cifs dns_resolver fscache firewire_sbp2 firewire_core crc_itu_t loop fuse dm_crypt dm_mod joydev snd_hda_codec_realtek asus_nb_wmi asus_wmi sparse_keymap kvm_amd kvm psmouse serio_raw arc4 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media pcspkr ath9k ath9k_common ath9k_hw ath mac80211 evdev cfg80211 k10temp rfkill i2c_piix4 wmi snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi battery snd_seq snd_seq_device snd_timer radeon ac video ttm snd drm_kms_helper drm i2c_algo_bit soundcore i2c_core acpi_cpufreq processor button ext4 crc16 mbcache jbd2 btrfs xor raid6_pq crc32c libcrc32c nbd ums_realtek usb_storage sg sd_mod sr_mod cdrom crc_t10dif crct10dif_common hid_generic usbhid hid microcode ahci sdhci_pci libahci sdhci mmc_core libata ohci_pci ohci_hcd ehci_pci ehci_hcd scsi_mod thermal thermal_sys r8169 mii xhci_hcd usbcore usb_common [ 29.184833] CPU: 0 PID: 2890 Comm: kworker/0:3 Not tainted 3.12.0-teoteo #3 [ 29.184838] Hardware name: ASUSTeK Computer Inc. K73TA/K73TA, BIOS 206 07/20/2011 [ 29.184849] Workqueue: kacpi_hotplug hotplug_event_work [ 29.184853] 0000000000000009 ffffffff8149ddee ffff8800882bbb78 ffffffff81059d06 [ 29.184862] ffff880089011e40 ffff8800882bbbc8 ffff880036693448 ffffffffa04fd100 [ 29.184869] ffff8801497af400 ffffffff81059d77 ffffffffa03a7980 ffff880100000018 [ 29.184876] Call Trace: [ 29.184888] [<ffffffff8149ddee>] ? dump_stack+0x41/0x51 [ 29.184897] [<ffffffff81059d06>] ? warn_slowpath_common+0x86/0xb0 [ 29.184908] [<ffffffff81059d77>] ? warn_slowpath_fmt+0x47/0x50 [ 29.184925] [<ffffffffa03d1608>] ? ttm_bo_force_list_clean+0x58/0xd0 [ttm] [ 29.184939] [<ffffffffa03d6039>] ? ttm_bo_man_takedown+0x29/0x60 [ttm] [ 29.184979] [<ffffffffa0409706>] ? radeon_ttm_fini+0xc6/0x190 [radeon] [ 29.185015] [<ffffffffa040a0f9>] ? radeon_bo_fini+0x9/0x20 [radeon] [ 29.185060] [<ffffffffa04525ca>] ? evergreen_fini+0x9a/0xc0 [radeon] [ 29.185091] [<ffffffffa03efb71>] ? radeon_device_fini+0x31/0x100 [radeon] [ 29.185123] [<ffffffffa03f17ae>] ? radeon_driver_unload_kms+0x3e/0x70 [radeon] [ 29.185145] [<ffffffffa03825e7>] ? drm_put_dev+0x57/0x190 [drm] [ 29.185156] [<ffffffff8129ba2c>] ? pci_device_remove+0x3c/0xc0 [ 29.185165] [<ffffffff81350b15>] ? __device_release_driver+0x75/0xe0 [ 29.185171] [<ffffffff81350ba4>] ? device_release_driver+0x24/0x40 [ 29.185177] [<ffffffff81350472>] ? bus_remove_device+0xf2/0x140 [ 29.185185] [<ffffffff8134d1fa>] ? device_del+0x11a/0x1b0 [ 29.185193] [<ffffffff81295a1d>] ? pci_stop_bus_device+0x8d/0xb0 [ 29.185200] [<ffffffff81295b29>] ? pci_stop_and_remove_bus_device+0x9/0x20 [ 29.185207] [<ffffffff812b0e76>] ? disable_slot+0x66/0xb0 [ 29.185213] [<ffffffff812b0f58>] ? acpiphp_check_bridge+0x98/0xc0 [ 29.185220] [<ffffffff812b1d5a>] ? hotplug_event+0x11a/0x260 [ 29.185227] [<ffffffff812b1ebd>] ? hotplug_event_work+0x1d/0x60 [ 29.185234] [<ffffffff81073a66>] ? process_one_work+0x176/0x430 [ 29.185240] [<ffffffff8107461d>] ? worker_thread+0x10d/0x3a0 [ 29.185246] [<ffffffff81074510>] ? rescuer_thread+0x310/0x310 [ 29.185254] [<ffffffff8107aa5f>] ? kthread+0xaf/0xc0 [ 29.185261] [<ffffffff8107a9b0>] ? kthread_create_on_node+0x110/0x110 [ 29.185270] [<ffffffff814ab20c>] ? ret_from_fork+0x7c/0xb0 [ 29.185278] [<ffffffff8107a9b0>] ? kthread_create_on_node+0x110/0x110 [ 29.185282] ---[ end trace f91634133323f032 ]--- [ 29.185290] [drm] radeon: ttm finalized [ 29.185296] vga_switcheroo: disabled [ 29.186077] ------------[ cut here ]------------ [ 29.186099] WARNING: CPU: 0 PID: 2890 at drivers/gpu/drm/ttm/ttm_page_alloc_dma.c:533 ttm_dma_free_pool+0x126/0x130 [ttm]() [ 29.186103] Modules linked in: input_polldev binfmt_misc uinput nfsd auth_rpcgss oid_registry nfs_acl nfs lockd sunrpc md4 hmac nls_utf8 cifs dns_resolver fscache firewire_sbp2 firewire_core crc_itu_t loop fuse dm_crypt dm_mod joydev snd_hda_codec_realtek asus_nb_wmi asus_wmi sparse_keymap kvm_amd kvm psmouse serio_raw arc4 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media pcspkr ath9k ath9k_common ath9k_hw ath mac80211 evdev cfg80211 k10temp rfkill i2c_piix4 wmi snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi battery snd_seq snd_seq_device snd_timer radeon ac video ttm snd drm_kms_helper drm i2c_algo_bit soundcore i2c_core acpi_cpufreq processor button ext4 crc16 mbcache jbd2 btrfs xor raid6_pq crc32c libcrc32c nbd ums_realtek usb_storage sg sd_mod sr_mod cdrom crc_t10dif crct10dif_common hid_generic usbhid hid microcode ahci sdhci_pci libahci sdhci mmc_core libata ohci_pci ohci_hcd ehci_pci ehci_hcd scsi_mod thermal thermal_sys r8169 mii xhci_hcd usbcore usb_common [ 29.186223] CPU: 0 PID: 2890 Comm: kworker/0:3 Tainted: G W 3.12.0-teoteo #3 [ 29.186227] Hardware name: ASUSTeK Computer Inc. K73TA/K73TA, BIOS 206 07/20/2011 [ 29.186234] Workqueue: kacpi_hotplug hotplug_event_work [ 29.186238] 0000000000000009 ffffffff8149ddee 0000000000000000 ffffffff81059d06 [ 29.186246] ffff8800890119c0 ffff8801497e8290 0000000000000008 ffff880147d1c6c0 [ 29.186252] ffff880146495400 ffffffffa03d6a36 ffff8800882bbc70 ffff8801497e8098 [ 29.186259] Call Trace: [ 29.186268] [<ffffffff8149ddee>] ? dump_stack+0x41/0x51 [ 29.186276] [<ffffffff81059d06>] ? warn_slowpath_common+0x86/0xb0 [ 29.186291] [<ffffffffa03d6a36>] ? ttm_dma_free_pool+0x126/0x130 [ttm] [ 29.186298] [<ffffffff81354249>] ? release_nodes+0x199/0x1e0 [ 29.186307] [<ffffffff81350b1d>] ? __device_release_driver+0x7d/0xe0 [ 29.186313] [<ffffffff81350ba4>] ? device_release_driver+0x24/0x40 [ 29.186319] [<ffffffff81350472>] ? bus_remove_device+0xf2/0x140 [ 29.186326] [<ffffffff8134d1fa>] ? device_del+0x11a/0x1b0 [ 29.186334] [<ffffffff81295a1d>] ? pci_stop_bus_device+0x8d/0xb0 [ 29.186342] [<ffffffff81295b29>] ? pci_stop_and_remove_bus_device+0x9/0x20 [ 29.186348] [<ffffffff812b0e76>] ? disable_slot+0x66/0xb0 [ 29.186355] [<ffffffff812b0f58>] ? acpiphp_check_bridge+0x98/0xc0 [ 29.186362] [<ffffffff812b1d5a>] ? hotplug_event+0x11a/0x260 [ 29.186369] [<ffffffff812b1ebd>] ? hotplug_event_work+0x1d/0x60 [ 29.186375] [<ffffffff81073a66>] ? process_one_work+0x176/0x430 [ 29.186381] [<ffffffff8107461d>] ? worker_thread+0x10d/0x3a0 [ 29.186387] [<ffffffff81074510>] ? rescuer_thread+0x310/0x310 [ 29.186395] [<ffffffff8107aa5f>] ? kthread+0xaf/0xc0 [ 29.186403] [<ffffffff8107a9b0>] ? kthread_create_on_node+0x110/0x110 [ 29.186411] [<ffffffff814ab20c>] ? ret_from_fork+0x7c/0xb0 [ 29.186418] [<ffffffff8107a9b0>] ? kthread_create_on_node+0x110/0x110 [ 29.186423] ---[ end trace f91634133323f033 ]--- [ 30.862453] Netfilter messages via NETLINK v0.30. [ 30.889270] device wlan1 entered promiscuous mode [ 33.515054] Bluetooth: Core ver 2.16 I'm not an experienced kernel developer. Please let me know if you need me to do any additional diagnostics. -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20131201/797ac5b2/attachment.html>
