bug in ubuntu with a Calgary chipset
The error when I get 170-180 players on my minecraft server:
Dec 1 20:29:13 minecraft kernel: [83704.799017] Calgary: DMA error on Calgary PHB 0x6, 0x10010000@CSR 0x04000000@PLSSR
Dec 1 20:29:13 minecraft kernel: [83704.800002] [sched_delayed] sched: RT throttling activated
Dec 1 20:29:14 minecraft kernel: [83705.343754] Uhhuh. NMI received for unknown reason 25 on CPU 0.
Dec 1 20:29:14 minecraft kernel: [83705.343892] Do you have a strange power saving mode enabled?
Dec 1 20:29:14 minecraft kernel: [83705.344069] Dazed and confused, but trying to continue
Dec 1 20:29:23 minecraft kernel: [83714.784044] ------------[ cut here ]------------
Re: bug in ubuntu with a Calgary chipset
First, make sure your CPU is not overheating.
From some quick Googling, I think i might be happening because the minecraft server is hogging the CPU to the point where a critical system process has to turn off preemption or the system risks becoming unstable.
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