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I have my Ubuntu Server machine with XFX 7970 GPU in it, and sometimes, when ATI driver fails, I have to reboot it manually.

When I'm trying to reboot the machine using SysRQ, the system reboots well, but GPU is not listed in lspci output. It appears again after hand reboot.

Is there a way to reboot it without hand reboot remotely?

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Doesn't simply reboot work? –  Mat Jun 17 '13 at 10:12
    
Nope. I have the mining program (cgminer) wich uses GPU, abd when GPU driver fails, cgminer cannot be killed, and, therefore, reboot cannot be completed –  skayred Jun 17 '13 at 10:16
    
reboot after you've forced the boot with SysRq? –  Mat Jun 17 '13 at 11:00
    
You mean call reboot and then SysRQ reboot? –  skayred Jun 17 '13 at 11:04
    
No. Reboot with SysReq, and if that doesn't "recover" the graphics card, plain reboot. –  Mat Jun 17 '13 at 11:09

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