[Bug 70687] vgaswitcheroo issues on Linux 3.12

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Dec 1 13:33:09 PST 2013 

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.

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