Created
August 10, 2014 14:51
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Watching the PCI registers in /sys/ while switching my 3d card on and off 😸
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| RichardB@narcissus ~$ od -t x1 /sys/bus/pci/devices/0000:01:00.0/config | |
| 0000000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff | |
| * | |
| 0000100 | |
| RichardB@narcissus ~$ optirun glxgears >/dev/null & | |
| [1] 3758 | |
| RichardB@narcissus ~$ sleep 1 | |
| RichardB@narcissus ~$ od -t x1 /sys/bus/pci/devices/0000:01:00.0/config | |
| 0000000 de 10 92 13 07 00 10 00 a2 00 02 03 00 00 00 00 | |
| 0000020 00 00 00 f6 0c 00 00 e0 00 00 00 00 0c 00 00 f0 | |
| 0000040 00 00 00 00 01 e0 00 00 00 00 00 00 58 15 00 23 | |
| 0000060 00 00 00 00 60 00 00 00 00 00 00 00 0b 01 00 00 | |
| 0000100 | |
| RichardB@narcissus ~$ kill %1 | |
| [ 1067.856039] [WARN]Received Terminated signal. | |
| RichardB@narcissus ~$ sleep 1 | |
| [1]+ Exit 143 optirun glxgears > /dev/null | |
| RichardB@narcissus ~$ od -t x1 /sys/bus/pci/devices/0000:01:00.0/config | |
| 0000000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff | |
| * | |
| 0000100 |
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