scheduling while atomic on radeon rv620, kernel 3.30-rc3

Mikko Vinni mmvinni at yahoo.com
Fri Feb 10 00:06:53 PST 2012 

Hi,

Testing a bit more. With the defaults:

$  cat /sys/class/drm/card0/device/power_profile
default
$  cat /sys/class/drm/card0/device/power_method
profile

the laptop boots and works fine. However, doing:


$ echo dynpm > /sys/class/drm/card0/device/power_method

leads to the scheduling while atomic bug.

Mikko

----- Original Message -----
> From: Mikko Vinni:
> 
> testing 3.3.0-rc3 on an HP Pavilion dv5 (last tested kernel 3.2.5 works fine)
> and getting bugs apparently right after the radeon module is loaded.
> 
> 
> Linux version 3.3.0-rc3-CUST (mikko at koni) (gcc version 4.6.2 20120120 
> (prerelease) (GCC) ) #198 SMP PREEMPT Thu Feb 9 09:36:43 EET 2012
> Command line: BOOT_IMAGE=Arch_GitKernel ro root=803 ro root=/dev/sda3 
> init=/bin/systemd pcie_aspm=force
> ...
> firewire_core: created device fw0: GUID 00241b00322a5501, S400
> [drm] radeon defaulting to kernel modesetting.
> [drm] radeon kernel modesetting enabled.
> radeon 0000:01:00.0: power state changed by ACPI to D0
> radeon 0000:01:00.0: power state changed by ACPI to D0
> [drm] initializing kernel modesetting (RV620 0x1002:0x95C4 0x103C:0x3600).
> [drm] register mmio base: 0xD2300000
> [drm] register mmio size: 65536
> ATOM BIOS: M82
> radeon 0000:01:00.0: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF (512M 
> used)
> radeon 0000:01:00.0: GTT: 512M 0x0000000020000000 - 0x000000003FFFFFFF
> [drm] Detected VRAM RAM=512M, BAR=256M
> [drm] RAM width 64bits DDR
> [TTM] Zone  kernel: Available graphics memory: 2023082 kiB.
> [TTM] Initializing pool allocator.
> [TTM] Initializing DMA pool allocator.
> [drm] radeon: 512M of VRAM memory ready
> [drm] radeon: 512M of GTT memory ready.
> [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
> [drm] Driver supports precise vblank timestamp query.
> radeon 0000:01:00.0: irq 46 for MSI/MSI-X
> radeon 0000:01:00.0: radeon: using MSI.
> [drm] radeon: irq initialized.
> [drm] GART: num cpu pages 131072, num gpu pages 131072
> [drm] radeon: ib pool ready.
> [drm] Loading RV620 Microcode
> usbcore: registered new interface driver usbfs
> ...
> [drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
> radeon 0000:01:00.0: WB enabled
> [drm] fence driver on ring 0 use gpu addr 0x20000c00 and cpu addr 
> 0xffff8801364bfc00
> [drm] ring test on 0 succeeded in 1 usecs
> [drm] ib test on ring 0 succeeded in 0 usecs
> [drm] Radeon Display Connectors
> [drm] Connector 0:
> [drm]   LVDS
> [drm]   Encoders:
> [drm]     LCD1: INTERNAL_KLDSCP_LVTMA
> [drm] Connector 1:
> [drm]   VGA
> [drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
> [drm]   Encoders:
> [drm]     CRT1: INTERNAL_KLDSCP_DAC1
> [drm] Connector 2:
> [drm]   DIN
> [drm]   Encoders:
> [drm]     TV1: INTERNAL_KLDSCP_DAC2
> [drm] Connector 3:
> [drm]   HDMI-A
> [drm]   HPD1
> [drm]   DDC: 0x7e20 0x7e20 0x7e24 0x7e24 0x7e28 0x7e28 0x7e2c 0x7e2c
> [drm]   Encoders:
> [drm]     DFP1: INTERNAL_UNIPHY
> [drm] radeon: power management initialized
> 
> ...
> [drm] fb mappable at 0xC0142000
> [drm] vram apper at 0xC0000000
> [drm] size 4096000
> [drm] fb depth is 24
> [drm]    pitch is 5120
> fbcon: radeondrmfb (fb0) is primary device
> Feb  9 16:54:56 koni systemd-fsck[287]: /dev/sda5: clean, 1102549/17514496 
> files, 32142735/70035359 blocks (check in 2 mounts)
> Feb  9 16:54:56 koni systemd-tmpfiles[298]: Two or more conflicting lines for 
> /tmp configured, ignoring.
> Console: switching to colour frame buffer device 160x50
> fb0: radeondrmfb frame buffer device
> drm: registered panic notifier
> [drm] Initialized radeon 2.13.0 20080528 for 0000:01:00.0 on minor 0
> snd_hda_intel 0000:01:00.1: irq 47 for MSI/MSI-X
> HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
> input: HDA ATI HDMI HDMI/DP,pcm=3 as 
> /devices/pci0000:00/0000:00:02.0/0000:01:00.1/sound/card1/input15
> EXT4-fs (sda5): mounted filesystem with ordered data mode. Opts: commit=30
> BUG: scheduling while atomic: kworker/1:3/119/0x00000003
> Modules linked in: snd_hda_codec_hdmi uvcvideo videobuf2_vmalloc 
> videobuf2_memops videobuf2_core videodev v4l2_compat_ioctl32 arc4 
> snd_hda_codec_idt ohci_hcd joydev snd_hda_intel ath5k snd_hda_codec ehci_hcd 
> usbcore snd_hwdep snd_pcm mac80211 radeon ath snd_page_alloc snd_timer snd 
> hp_wmi sdhci_pci sparse_keymap sp5100_tco i2c_piix4 soundcore cfg80211 sdhci wmi 
> usb_common drm_kms_helper jmb38x_ms hp_accel psmouse r8169 ttm mmc_core thermal 
> memstick rtc_cmos lis3lv02d evdev k10temp pcspkr input_polldev firewire_ohci mii 
> serio_raw rfkill battery video ac button powernow_k8 mperf processor autofs4 
> sr_mod cdrom sd_mod pata_acpi ahci libahci pata_atiixp libata scsi_mod
> Pid: 119, comm: kworker/1:3 Not tainted 3.3.0-rc3-CUST #198
> Call Trace:
> [<ffffffff81440f6c>] __schedule_bug+0x5d/0x61
> [<ffffffff81446dbc>] __schedule+0x84c/0x9c0
> [<ffffffff81097b34>] ? check_preempt_curr+0x84/0xa0
> [<ffffffff8109d519>] ? pull_task+0x49/0x60
> [<ffffffff8144705a>] schedule+0x3a/0x50
> [<ffffffff81444936>] schedule_timeout+0x166/0x380
> [<ffffffff81445ab5>] ? __mutex_lock_slowpath+0x235/0x340
> [<ffffffff81077fe0>] ? init_timer_deferrable_key+0x20/0x20
> [<ffffffffa02a940a>] radeon_pm_set_clocks+0x4ca/0x690 [radeon]
> [<ffffffff8108b010>] ? abort_exclusive_wait+0xb0/0xb0
> [<ffffffffa02a9930>] radeon_dynpm_idle_work_handler+0x160/0x170 [radeon]
> [<ffffffffa02a97d0>] ? radeon_acpi_event+0xc0/0xc0 [radeon]
> [<ffffffff8108509b>] process_one_work+0x11b/0x4d0
> [<ffffffff81085a1d>] worker_thread+0x15d/0x340
> [<ffffffff810858c0>] ? manage_workers.isra.27+0x220/0x220
> [<ffffffff8108a77e>] kthread+0x8e/0xa0
> [<ffffffff81449df4>] kernel_thread_helper+0x4/0x10
> [<ffffffff8108a6f0>] ? kthread_freezable_should_stop+0x60/0x60
> [<ffffffff81449df0>] ? gs_change+0xb/0xb
> BUG: scheduling while atomic: kworker/1:3/119/0x00000003
> Modules linked in: snd_hda_codec_hdmi uvcvideo videobuf2_vmalloc 
> videobuf2_memops videobuf2_core videodev v4l2_compat_ioctl32 arc4 
> snd_hda_codec_idt ohci_hcd joydev snd_hda_intel ath5k snd_hda_codec ehci_hcd 
> usbcore snd_hwdep snd_pcm mac80211 radeon ath snd_page_alloc snd_timer snd 
> hp_wmi sdhci_pci sparse_keymap sp5100_tco i2c_piix4 soundcore cfg80211 sdhci wmi 
> usb_common drm_kms_helper jmb38x_ms hp_accel psmouse r8169 ttm mmc_core thermal 
> memstick rtc_cmos lis3lv02d evdev k10temp pcspkr input_polldev firewire_ohci mii 
> serio_raw rfkill battery video ac button powernow_k8 mperf processor autofs4 
> sr_mod cdrom sd_mod pata_acpi ahci libahci pata_atiixp libata scsi_mod
> Pid: 119, comm: kworker/1:3 Not tainted 3.3.0-rc3-CUST #198
> Call Trace:
> [<ffffffff81440f6c>] __schedule_bug+0x5d/0x61
> [<ffffffff81446dbc>] __schedule+0x84c/0x9c0
> [<ffffffff81097b34>] ? check_preempt_curr+0x84/0xa0
> [<ffffffff8109d519>] ? pull_task+0x49/0x60
> [<ffffffff81078ac3>] ? lock_timer_base.isra.33+0x33/0x70
> [<ffffffff81078b91>] ? try_to_del_timer_sync+0x91/0x150
> [<ffffffff8144705a>] schedule+0x3a/0x50
> [<ffffffff81444936>] schedule_timeout+0x166/0x380
> [<ffffffff81077fe0>] ? init_timer_deferrable_key+0x20/0x20
> [<ffffffffa02a9521>] radeon_pm_set_clocks+0x5e1/0x690 [radeon]
> [<ffffffff8108b010>] ? abort_exclusive_wait+0xb0/0xb0
> [<ffffffffa02a9930>] radeon_dynpm_idle_work_handler+0x160/0x170 [radeon]
> [<ffffffffa02a97d0>] ? radeon_acpi_event+0xc0/0xc0 [radeon]
> [<ffffffff8108509b>] process_one_work+0x11b/0x4d0
> [<ffffffff81085a1d>] worker_thread+0x15d/0x340
> [<ffffffff810858c0>] ? manage_workers.isra.27+0x220/0x220
> [<ffffffff8108a77e>] kthread+0x8e/0xa0
> [<ffffffff81449df4>] kernel_thread_helper+0x4/0x10
> [<ffffffff8108a6f0>] ? kthread_freezable_should_stop+0x60/0x60
> [<ffffffff81449df0>] ? gs_change+0xb/0xb
> BUG: workqueue leaked lock or atomic: kworker/1:3/0x00000002/119
> last function: radeon_dynpm_idle_work_handler+0x0/0x170 [radeon]
> Pid: 119, comm: kworker/1:3 Not tainted 3.3.0-rc3-CUST #198
> Call Trace:
> [<ffffffff810853c0>] process_one_work+0x440/0x4d0
> [<ffffffff81085a1d>] worker_thread+0x15d/0x340
> [<ffffffff810858c0>] ? manage_workers.isra.27+0x220/0x220
> [<ffffffff8108a77e>] kthread+0x8e/0xa0
> [<ffffffff81449df4>] kernel_thread_helper+0x4/0x10
> [<ffffffff8108a6f0>] ? kthread_freezable_should_stop+0x60/0x60
> [<ffffffff81449df0>] ? gs_change+0xb/0xb
> BUG: workqueue leaked lock or atomic: kworker/1:3/0x00000002/119
> last function: cfq_kick_queue+0x0/0x50
> Pid: 119, comm: kworker/1:3 Not tainted 3.3.0-rc3-CUST #198
> Call Trace:
> [<ffffffff810853c0>] process_one_work+0x440/0x4d0
> [<ffffffff81085a1d>] worker_thread+0x15d/0x340
> [<ffffffff810858c0>] ? manage_workers.isra.27+0x220/0x220
> [<ffffffff8108a77e>] kthread+0x8e/0xa0
> [<ffffffff81449df4>] kernel_thread_helper+0x4/0x10
> [<ffffffff8108a6f0>] ? kthread_freezable_should_stop+0x60/0x60
> [<ffffffff81449df0>] ? gs_change+0xb/0xb
> BUG: workqueue leaked lock or atomic: kworker/1:3/0x00000002/119
> last function: do_dbs_timer+0x0/0x3d0
> Pid: 119, comm: kworker/1:3 Not tainted 3.3.0-rc3-CUST #198
> ...
> 
> 
> These messages continued to scroll by until the machine hanged up.
> Does it look familiar to anybody? Anything to test or give more information
> about?
> 
> 
> Mikko
>

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