I've found what I think are relevant errors.
kern.log:
Code:
Jan 16 22:53:29 robot kernel: [ 7.256585] bbswitch: version 0.8
Jan 16 22:53:29 robot kernel: [ 7.256592] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0
Jan 16 22:53:29 robot kernel: [ 7.256598] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.PEG0.PEGP
Jan 16 22:53:29 robot kernel: [ 7.256608] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
Jan 16 22:53:29 robot kernel: [ 7.256694] bbswitch: detected an Optimus _DSM function
Jan 16 22:53:29 robot kernel: [ 7.256701] bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is on
Jan 16 22:53:31 robot kernel: [ 8.766276] nvidia 0000:01:00.0: irq 50 for MSI/MSI-X
Jan 16 22:53:31 robot kernel: [ 8.772096] NVRM: failed to copy vbios to system memory.
Jan 16 22:53:31 robot kernel: [ 8.774118] NVRM: RmInitAdapter failed! (0x30:0xffffffff:720)
Jan 16 22:53:31 robot kernel: [ 8.774125] NVRM: rm_init_adapter failed for device bearing minor number 0
Jan 16 22:53:31 robot kernel: [ 8.774143] NVRM: nvidia_frontend_open: minor 0, module->open() failed, error -5
Jan 16 22:53:31 robot kernel: [ 9.132267] r8169 0000:05:00.2 eth1: link up
Jan 16 22:53:31 robot kernel: [ 9.132275] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
Jan 16 22:53:43 robot kernel: [ 21.246776] nvidia 0000:01:00.0: irq 50 for MSI/MSI-X
Jan 16 22:53:43 robot kernel: [ 21.252543] NVRM: failed to copy vbios to system memory.
Jan 16 22:53:43 robot kernel: [ 21.254600] NVRM: RmInitAdapter failed! (0x30:0xffffffff:720)
Jan 16 22:53:43 robot kernel: [ 21.254607] NVRM: rm_init_adapter failed for device bearing minor number 0
Jan 16 22:53:43 robot kernel: [ 21.254622] NVRM: nvidia_frontend_open: minor 0, module->open() failed, error -5
tail Xorg.log | grep EE:
Code:
[ 21.196] Initializing built-in extension MIT-SCREEN-SAVER
[ 21.219] (EE) NVIDIA(GPU-0): Failed to initialize the NVIDIA GPU at PCI:1:0:0. Please
[ 21.219] (EE) NVIDIA(GPU-0): check your system's kernel log for additional error
[ 21.219] (EE) NVIDIA(GPU-0): messages and refer to Chapter 8: Common Problems in the
[ 21.219] (EE) NVIDIA(GPU-0): README for additional information.
[ 21.219] (EE) NVIDIA(GPU-0): Failed to initialize the NVIDIA graphics device!
[ 21.220] (EE) NVIDIA(0): Failing initialization of X screen 0
[ 21.224] (EE) Screen(s) found, but none have a usable configuration.
[ 21.224] (EE)
[ 21.224] (EE) no screens found(EE)
[ 21.224] (EE)
[ 21.224] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[ 21.224] (EE)
[ 21.228] (EE) Server terminated with error (1). Closing log file.