[Nouveau] [Bug 88415] New: [NVA8] nouveau GPU lockup when reclocking

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88415

            Bug ID: 88415
           Summary: [NVA8] nouveau GPU lockup when reclocking
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: benedikt.morbach at googlemail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 112240
  --> https://bugs.freedesktop.org/attachment.cgi?id=112240&action=edit
full dmesg

kernel: 3.19-rc4
hardware: Thinkpad T510, Quadro NVS 3100M
full dmesg attached, nouveau parts below

What I did:
 1. downclocking before starting X
    -> '[0000:01:00.0] invalid/missing rammap entry' in dmesg

 2. start X
    -> working fine (could run glxgears, didn't try much else)

 3. returning to default performance level
    -> fine

 4. downclocking again
    -> lockup, broke it with sysrq and saved dmesg

Any other logs I should produce?
Do you want a more verbose dmesg?

dmesg | grep nouveau:
[   24.080412] nouveau  [  DEVICE][0000:01:00.0] BOOT0  : 0x0a8600a2
[   24.080417] nouveau  [  DEVICE][0000:01:00.0] Chipset: GT218 (NVA8)
[   24.080420] nouveau  [  DEVICE][0000:01:00.0] Family : NV50
[   24.112811] nouveau  [   VBIOS][0000:01:00.0] using image from PRAMIN
[   24.113012] nouveau  [   VBIOS][0000:01:00.0] BIT signature found
[   24.113016] nouveau  [   VBIOS][0000:01:00.0] version 70.18.45.00.09
[   24.114500] nouveau  [     PMC][0000:01:00.0] MSI interrupts enabled
[   24.114546] nouveau  [     PFB][0000:01:00.0] RAM type: DDR3
[   24.114549] nouveau  [     PFB][0000:01:00.0] RAM size: 512 MiB
[   24.114551] nouveau  [     PFB][0000:01:00.0]    ZCOMP: 960 tags
[   24.117885] nouveau  [    VOLT][0000:01:00.0] GPU voltage: 850000uv
[   24.147955] nouveau  [  PTHERM][0000:01:00.0] FAN control: none / external
[   24.147972] nouveau  [  PTHERM][0000:01:00.0] fan management: automatic
[   24.147978] nouveau  [  PTHERM][0000:01:00.0] internal sensor: yes
[   24.168063] nouveau  [     CLK][0000:01:00.0] 03: core 135 MHz shader 270
MHz memory 135 MHz
[   24.168070] nouveau  [     CLK][0000:01:00.0] 07: core 405 MHz shader 810
MHz memory 405 MHz
[   24.168074] nouveau  [     CLK][0000:01:00.0] 0f: core 606 MHz shader 1468
MHz memory 790 MHz
[   24.168117] nouveau  [     CLK][0000:01:00.0] --: core 405 MHz shader 810
MHz memory 405 MHz
[   24.168493] nouveau  [     DRM] VRAM: 512 MiB
[   24.168495] nouveau  [     DRM] GART: 1048576 MiB
[   24.168499] nouveau  [     DRM] TMDS table version 2.0
[   24.168501] nouveau  [     DRM] DCB version 4.0
[   24.168504] nouveau  [     DRM] DCB outp 00: 01800323 00010034
[   24.168506] nouveau  [     DRM] DCB outp 01: 02811300 00000000
[   24.168508] nouveau  [     DRM] DCB outp 02: 028223a6 0f220010
[   24.168510] nouveau  [     DRM] DCB outp 03: 02822362 00020010
[   24.168511] nouveau  [     DRM] DCB outp 04: 048333b6 0f220010
[   24.168513] nouveau  [     DRM] DCB outp 05: 04833372 00020010
[   24.168515] nouveau  [     DRM] DCB outp 06: 088443c6 0f220010
[   24.168517] nouveau  [     DRM] DCB outp 07: 08844382 00020010
[   24.168519] nouveau  [     DRM] DCB conn 00: 00000040
[   24.168521] nouveau  [     DRM] DCB conn 01: 00000100
[   24.168523] nouveau  [     DRM] DCB conn 02: 00101246
[   24.168524] nouveau  [     DRM] DCB conn 03: 00202346
[   24.168526] nouveau  [     DRM] DCB conn 04: 00410446
[   24.236201] nouveau  [     DRM] MM: using COPY for buffer copies
[   25.443491] nouveau  [     DRM] allocated 1600x900 fb: 0x70000, bo
ffff8800b8decc00
[   25.443614] fbcon: nouveaufb (fb0) is primary device
[   25.763829] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
[   25.763831] nouveau 0000:01:00.0: registered panic notifier
[   25.766694] [drm] Initialized nouveau 1.2.1 20120801 for 0000:01:00.0 on
minor 0
[  107.585436] nouveau E[     PFB][0000:01:00.0] invalid/missing rammap entry
[  612.287829] nouveau E[     DRM] GPU lockup - switching to software fbcon
[  626.123229] nouveau E[  X[907]] failed to idle channel 0xcccc0000 [X[907]]
[  641.123107] nouveau E[  X[907]] failed to idle channel 0xcccc0000 [X[907]]
[  643.129470] nouveau E[   PFIFO][0000:01:00.0] channel 6 [X[907]] unload
timeout

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