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Problem with nvidia-settings run by lg-info #45

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
Prerequisite to reviewing this change:

https://www.youtube.com/watch?v=IVpOyKCNZYw#t=80

What steps will reproduce the problem?

-> run lg-info on a LG with display nodes that have broken/frozen nvidia cards

What is the expected output? 

====Thermal====

42-a:
Attribute 'GPUCoreTemp' (42-a:0.0): 42.

42-i:
Attribute 'GPUCoreTemp' (42-i:0.0): 36.

42-g:
Attribute 'GPUCoreTemp' (42-g:0.0): 41.
[...]
42-d:
Attribute 'GPUCoreTemp' (42-d:0.0): 42.

42-f:
Attribute 'GPUCoreTemp' (42-f:0.0): 39.

What do you see instead?

====Thermal====

42-a:
Attribute 'GPUCoreTemp' (42-a:0.0): 42.

42-i:
Attribute 'GPUCoreTemp' (42-i:0.0): 37.

42-g:
Attribute 'GPUCoreTemp' (42-g:0.0): 41.

42-b:

<hangs here forever>

this problem exists on NVIdias that have following errors in dmesg:

[27297.939038] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27299.937346] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27301.955020] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27303.953323] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27305.951766] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27307.950072] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27309.967749] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27311.966057] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27313.964505] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27315.962810] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27318.071443] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27320.069748] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27322.068140] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27324.066454] NVRM: os_schedule: Attempted to yield the CPU while in atomic or 
interrupt context
[27711.584456] NVRM: Xid (0000:01:00): 56, CMDre 00000000 00000080 00000000 
00000005 00000027

Original issue reported on code.google.com by wojciech.ziniewicz on 9 Jul 2014 at 2:29

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