[Bug 108658] New: gt215 scheduling while atomic warning

[Bug 108658] New: gt215 scheduling while atomic warning

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=108658

            Bug ID: 108658
           Summary: gt215 scheduling while atomic warning
           Product: xorg
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Booting v4.20-rc1 on a arm64 with a Geforce 210 card inserted produces the
following splat:

nouveau 0000:02:00.0: NVIDIA GT218 (0a8280b1)
hub 2-0:1.0: 4 ports detected
nouveau 0000:02:00.0: bios: version 70.18.8a.00.06
nouveau 0000:02:00.0: fb: 1024 MiB DDR3
BUG: scheduling while atomic: kworker/0:1/12/0x00000002
Modules linked in: hid_apple hid_generic usbhid hid sd_mod nouveau(+) xhci_pci
i2c_algo_bit xhci_hcd ttm ahci_platform libahci_platform drm_kms_helper libahci
libata drm usbcore amd_xgbe scsi_mod libphy
CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 4.20.0-rc1+ #5
Hardware name: AMD Seattle/Seattle, BIOS 20:07:19 Oct  2 2018
Workqueue: events nvkm_pstate_work [nouveau]
Call trace:
 dump_backtrace+0x0/0x1d0
 show_stack+0x24/0x30
 dump_stack+0x98/0xbc
 __schedule_bug+0x64/0x80
 __schedule+0x818/0x9b8
 schedule+0x40/0xa8
 gt215_pmu_send+0x274/0x2a8 [nouveau]
 nvkm_pmu_send+0x60/0x80 [nouveau]
 nvkm_memx_init+0x5c/0x120 [nouveau]
 gt215_ram_calc+0x12f8/0x4d58 [nouveau]
 gt215_ram_calc+0x2a0/0x4d58 [nouveau]
 nvkm_pstate_work+0x18c/0x6b0 [nouveau]
 process_one_work+0x1a8/0x438
 worker_thread+0x54/0x3f8
 kthread+0x104/0x130
 ret_from_fork+0x10/0x18
[TTM] Zone  kernel: Available graphics memory: 16460910 kiB
[TTM] Zone   dma32: Available graphics memory: 2097152 kiB
[TTM] Initializing pool allocator
[TTM] Initializing DMA pool allocator
nouveau 0000:02:00.0: DRM: VRAM: 1024 MiB
nouveau 0000:02:00.0: DRM: GART: 1048576 MiB
nouveau 0000:02:00.0: DRM: TMDS table version 2.0
nouveau 0000:02:00.0: DRM: DCB version 4.0
nouveau 0000:02:00.0: DRM: DCB outp 00: 02000300 00000000
nouveau 0000:02:00.0: DRM: DCB outp 01: 01000302 00020030
nouveau 0000:02:00.0: DRM: DCB outp 02: 02021362 00020010
nouveau 0000:02:00.0: DRM: DCB outp 04: 01032310 00000000
nouveau 0000:02:00.0: DRM: DCB conn 00: 00001030
nouveau 0000:02:00.0: DRM: DCB conn 01: 00002161
nouveau 0000:02:00.0: DRM: DCB conn 02: 00000200
[drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[drm] Driver supports precise vblank timestamp query.
BUG: scheduling while atomic: kworker/0:1/12/0x00000000
Modules linked in: hid_apple hid_generic usbhid hid sd_mod nouveau(+) xhci_pci
i2c_algo_bit xhci_hcd ttm ahci_platform libahci_platform drm_kms_helper libahci
libata drm usbcore amd_xgbe scsi_mod libphy
CPU: 0 PID: 12 Comm: kworker/0:1 Tainted: G        W         4.20.0-rc1+ #5
Hardware name: AMD Seattle/Seattle, BIOS 20:07:19 Oct  2 2018
Workqueue: events nvkm_pstate_work [nouveau]
Call trace:
 dump_backtrace+0x0/0x1d0
 show_stack+0x24/0x30
 dump_stack+0x98/0xbc
 __schedule_bug+0x64/0x80
 __schedule+0x818/0x9b8
 schedule+0x40/0xa8
 gt215_pmu_send+0x274/0x2a8 [nouveau]
 nvkm_pmu_send+0x60/0x80 [nouveau]
 nvkm_memx_train_result+0x5c/0xe8 [nouveau]
 gt215_ram_calc+0xbd8/0x4d58 [nouveau]
 nvkm_pstate_work+0x18c/0x6b0 [nouveau]
 process_one_work+0x1a8/0x438
 worker_thread+0x54/0x3f8
 kthread+0x104/0x130
 ret_from_fork+0x10/0x18
nouveau 0000:02:00.0: DRM: MM: using COPY for buffer copies
nouveau 0000:02:00.0: DRM: allocated 1920x1200 fb: 0x70000, bo (____ptrval____)
Console: switching to colour frame buffer device 240x75
nouveau 0000:02:00.0: fb0: nouveaufb frame buffer device

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[Bug 108658] gt215 scheduling while atomic warning

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=108658

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #1 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/465.

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