[Bug 90861] New: Panic on suspend from KDE with radeon

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=90861

            Bug ID: 90861
           Summary: Panic on suspend from KDE with radeon
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.19.0-rc2-219-g693a30b8
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: jonjon.arnearne@gmail.com
        Regression: No

My laptop is running OpenSUSE 13.1 on self compiled kernel.
As of last week, my kernel is panicing when suspending.

This only happens when I'm logged in to my KDE session.
If I log out of KDE and run pm-suspend as root from VT1 with kdm running. The
laptop suspends as expected.

I've suspended via pm-suspend while my user was logged in to both IceWM and TWM
with success.

My suspicion is that some part of my KDE system was upgraded, and something is
preventing radeon from suspending propperly.

Here is dmesg from the crash:
[  267.445563] PM: Syncing filesystems ... done.
[  267.704349] PM: Preparing system for mem sleep
[  267.953474] Freezing user space processes ... (elapsed 0.001 seconds) done.
[  267.955241] Freezing remaining freezable tasks ... (elapsed 0.001 seconds)
done.
[  267.956352] PM: Entering mem sleep
[  267.956405] Suspending console(s) (use no_console_suspend to debug)
[  267.956924] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[  267.957167] sd 0:0:0:0: [sda] Stopping disk
[  280.034180] radeon 0000:02:00.0: **** DPM device timeout ****
[  280.034185]  ffff88022885b748 ffff8802288546d0 0000000000013180
ffff88022885bfd8
[  280.034188]  0000000000013180 ffff88022e1fa3d0 ffff8802288546d0
ffff88022885b728
[  280.034191]  ffff88022e39c000 ffff88022885b788 00000000ffffec3b
ffff88022e39c000
[  280.034192] Call Trace:
[  280.034201]  [<ffffffff81631854>] schedule+0x24/0x70
[  280.034205]  [<ffffffff8163426b>] schedule_timeout+0x14b/0x2d0
[  280.034211]  [<ffffffff810b7ec0>] ? internal_add_timer+0x80/0x80
[  280.034255]  [<ffffffffa01104a9>] radeon_fence_default_wait+0xc9/0x220
[radeon]
[  280.034260]  [<ffffffff810930a0>] ? prepare_to_wait_event+0x100/0x100
[  280.034265]  [<ffffffff81433c94>] fence_wait_timeout+0x34/0x120
[  280.034278]  [<ffffffffa00d8ebf>] ttm_bo_wait+0x14f/0x1b0 [ttm]
[  280.034289]  [<ffffffffa00dba42>] ttm_bo_move_accel_cleanup+0x52/0x3c0 [ttm]
[  280.034310]  [<ffffffffa01122d0>] radeon_move_blit.isra.12+0xc0/0x150
[radeon]
[  280.034321]  [<ffffffffa011309b>] radeon_bo_move+0xab/0x210 [radeon]
[  280.034325]  [<ffffffffa00d9e25>] ttm_bo_handle_move_mem+0x265/0x5c0 [ttm]
[  280.034330]  [<ffffffffa00da851>] ? ttm_bo_mem_space+0x181/0x350 [ttm]
[  280.034334]  [<ffffffffa00da2b2>] ttm_bo_evict+0x132/0x300 [ttm]
[  280.034348]  [<ffffffffa00663ee>] ? drm_vma_offset_add+0x2e/0xc0 [drm]
[  280.034352]  [<ffffffffa00da640>] ttm_mem_evict_first+0x1c0/0x250 [ttm]
[  280.034357]  [<ffffffffa00daa82>] ttm_bo_force_list_clean+0x62/0xb0 [ttm]
[  280.034361]  [<ffffffffa00dac9e>] ttm_bo_evict_mm+0x2e/0x60 [ttm]
[  280.034372]  [<ffffffffa0114485>] radeon_bo_evict_vram+0x15/0x20 [radeon]
[  280.034380]  [<ffffffffa00f66f3>] radeon_suspend_kms+0x163/0x2c0 [radeon]
[  280.034388]  [<ffffffffa00f419a>] radeon_pmops_suspend+0x1a/0x20 [radeon]
[  280.034390]  [<ffffffff8134b535>] pci_pm_suspend+0x75/0x150
[  280.034391]  [<ffffffff8134b4c0>] ? pci_pm_freeze+0xf0/0xf0
[  280.034393]  [<ffffffff8141e449>] dpm_run_callback+0x49/0x160
[  280.034394]  [<ffffffff8141f15d>] __device_suspend+0x12d/0x370
[  280.034395]  [<ffffffff8141e1e0>] ? pm_dev_dbg+0x80/0x80
[  280.034396]  [<ffffffff8141f3ba>] async_suspend+0x1a/0xa0
[  280.034398]  [<ffffffff81076c97>] async_run_entry_fn+0x47/0x160
[  280.034400]  [<ffffffff8106ef40>] process_one_work+0x140/0x420
[  280.034401]  [<ffffffff8106f33b>] worker_thread+0x11b/0x490
[  280.034402]  [<ffffffff8106f220>] ? process_one_work+0x420/0x420
[  280.034403]  [<ffffffff810742fd>] kthread+0xcd/0xf0
[  280.034404]  [<ffffffff81074230>] ? kthread_create_on_node+0x180/0x180
[  280.034405]  [<ffffffff816357ec>] ret_from_fork+0x7c/0xb0
[  280.034406]  [<ffffffff81074230>] ? kthread_create_on_node+0x180/0x180
[  280.034408] Kernel panic - not syncing: radeon 0000:02:00.0: unrecoverable
failure

[  280.034410] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
3.19.0-rc2-219-g693a30b8+ #1
[  280.034410] Hardware name: Dell Inc. Studio XPS 1645/0Y517R, BIOS A13
04/01/2011
[  280.034411]  ffff88022885bd30 ffff880237c03d88 ffffffff8162e880
ffffffff81c45c38
[  280.034412]  ffffffff81a7b1e5 ffff880237c03e08 ffffffff81629367
ffff880237bfffc0
[  280.034413]  ffff880200000018 ffff880237c03e18 ffff880237c03db8
ffff880237c03dc0
[  280.034414] Call Trace:
[  280.034416]  <IRQ>  [<ffffffff8162e880>] dump_stack+0x4c/0x6e
[  280.034418]  [<ffffffff81629367>] panic+0xb6/0x1e4
[  280.034420]  [<ffffffff8141e1e0>] ? pm_dev_dbg+0x80/0x80
[  280.034421]  [<ffffffff8141e22d>] dpm_watchdog_handler+0x4d/0x60
[  280.034423]  [<ffffffff810b7f04>] call_timer_fn+0x34/0x150
[  280.034424]  [<ffffffff8141e1e0>] ? pm_dev_dbg+0x80/0x80
[  280.034425]  [<ffffffff810b8354>] run_timer_softirq+0x254/0x300
[  280.034427]  [<ffffffff8105be24>] __do_softirq+0xe4/0x2a0
[  280.034429]  [<ffffffff8105c1ed>] irq_exit+0x9d/0xb0
[  280.034431]  [<ffffffff81004b85>] do_IRQ+0x55/0xf0
[  280.034432]  [<ffffffff816365ea>] common_interrupt+0x6a/0x6a
[  280.034435]  <EOI>  [<ffffffff814f7589>] ? cpuidle_enter_state+0x69/0x1b0
[  280.034436]  [<ffffffff814f7578>] ? cpuidle_enter_state+0x58/0x1b0
[  280.034438]  [<ffffffff814f7782>] cpuidle_enter+0x12/0x20
[  280.034439]  [<ffffffff81093674>] cpu_startup_entry+0x354/0x3f0
[  280.034440]  [<ffffffff81620a30>] rest_init+0x80/0x90
[  280.034443]  [<ffffffff81cf1035>] start_kernel+0x470/0x47d
[  280.034444]  [<ffffffff81cf09b5>] ? set_init_arg+0x57/0x57
[  280.034446]  [<ffffffff81cf05ad>] x86_64_start_reservations+0x2a/0x2c
[  280.034447]  [<ffffffff81cf06a2>] x86_64_start_kernel+0xf3/0xf7

And here is a backtrace from the crash utility:
crash> bt
PID: 0      TASK: ffffffff81c19480  CPU: 0   COMMAND: "swapper/0"
 #0 [ffff880237c03c70] machine_kexec at ffffffff8103c0e1
 #1 [ffff880237c03cc0] crash_kexec at ffffffff810d89ee
 #2 [ffff880237c03d90] panic at ffffffff81629377
 #3 [ffff880237c03e10] dpm_watchdog_handler at ffffffff8141e22d
 #4 [ffff880237c03e30] call_timer_fn at ffffffff810b7f04
 #5 [ffff880237c03e70] run_timer_softirq at ffffffff810b8354
 #6 [ffff880237c03ef0] __do_softirq at ffffffff8105be24
 #7 [ffff880237c03f60] irq_exit at ffffffff8105c1ed
 #8 [ffff880237c03f70] do_IRQ at ffffffff81004b85
--- <IRQ stack> ---
 #9 [ffffffff81c03dc8] ret_from_intr at ffffffff816365ea
    [exception RIP: cpuidle_enter_state+105]
    RIP: ffffffff814f7589  RSP: ffffffff81c03e78  RFLAGS: 00000202
    RAX: 0000004133273fbb  RBX: 0000000000000046  RCX: 0000000000000018
    RDX: 0000000000940ffe  RSI: 0000000000000046  RDI: ffffffff81c1da40
    RBP: ffffffff81c03eb8   R8: 0000000000000001   R9: 0000000000060e2d
    R10: 00000000000935d2  R11: 0000000000000001  R12: 0000000000000046
    R13: 0000000000000004  R14: 0000000000000005  R15: ffffffff81c03e38
    ORIG_RAX: ffffffffffffffbe  CS: 0010  SS: 0018
#10 [ffffffff81c03ec0] cpuidle_enter at ffffffff814f7782
#11 [ffffffff81c03ed0] cpu_startup_entry at ffffffff81093674
#12 [ffffffff81c03f50] rest_init at ffffffff81620a30
#13 [ffffffff81c03f70] start_kernel at ffffffff81cf1035
#14 [ffffffff81c03fc0] x86_64_start_reservations at ffffffff81cf05ad
#15 [ffffffff81c03fd0] x86_64_start_kernel at ffffffff81cf06a2
crash> 

Note, I'm running with radeon.dpm=1.
I should probably try suspend without that option.

I might be able to bisect if needed. The oldest kernel I tried is
3.11.10-25-desktop from OpenSUSE, but it still crashed on suspend.

Just ask if you need more info.
I have a coredump of the panic, and can probably get more info if needed.

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