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I have an Ubuntu installed on a Dell Vostro 1000 Laptop.Everything was excellent and I'm so happy.

However, there's one thing that render me sick, it's the suspend/resume.

When I'm in a graphic interface (the default of Ubuntu 9.10, not so sure what kind of GUI is it), if I suspend, then resume, then my Ubuntu hang, screen go dark, neither of caps lock nor numlock works.

When I'm in console interface (by pressing Ctrl+Alt+F1), then execute pm-suspend, then my Ubuntu will resume properly.

And this is the most funny stuff: Right after resume in console interface, if I try to switch to graphic interface (by pressing Ctrl+Alt+F7) then my Ubuntu will be hang. However, If I wait for few seconds, after Ubuntu log this error to the console screen:

Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.432550] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.432559] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.432566] Info fld=0x56598, ILI
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.432569] sr 4:0:0:0: [sr0] Add. Sense: Illegal mode for this track
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.432580] end_request: I/O error, dev sr0, sector 1414752
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.432586] Buffer I/O error on device sr0, logical block 176844
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.437776] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.437780] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.437784] Info fld=0x56598, ILI
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.437786] sr 4:0:0:0: [sr0] Add. Sense: Illegal mode for this track
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.437792] end_request: I/O error, dev sr0, sector 1414752
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.437795] Buffer I/O error on device sr0, logical block 176844
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.449258] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.449267] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.449274] Info fld=0x56598, ILI
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.449276] sr 4:0:0:0: [sr0] Add. Sense: Illegal mode for this track
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.449288] end_request: I/O error, dev sr0, sector 1414752
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.449294] Buffer I/O error on device sr0, logical block 176844
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.466219] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.466228] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.466235] Info fld=0x56598, ILI
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.466237] sr 4:0:0:0: [sr0] Add. Sense: Illegal mode for this track
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.466248] end_request: I/O error, dev sr0, sector 1414752
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.466254] Buffer I/O error on device sr0, logical block 176844
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.470781] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.470786] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.470792] Info fld=0x56598, ILI
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.470794] sr 4:0:0:0: [sr0] Add. Sense: Illegal mode for this track
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.470801] end_request: I/O error, dev sr0, sector 1414752
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.470805] Buffer I/O error on device sr0, logical block 176844
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.475415] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.475422] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.475428] Info fld=0x56598, ILI
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.475430] sr 4:0:0:0: [sr0] Add. Sense: Illegal mode for this track
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.475440] end_request: I/O error, dev sr0, sector 1414752
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.475446] Buffer I/O error on device sr0, logical block 176844
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.480159] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.480163] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.480167] Info fld=0x56598, ILI
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.480169] sr 4:0:0:0: [sr0] Add. Sense: Illegal mode for this track
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.480175] end_request: I/O error, dev sr0, sector 1414752
Jan 15 09:56:42 phuongnd08-laptop kernel: [   27.480178] Buffer I/O error on device sr0, logical block 176844
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.568142] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.568148] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.568155] Info fld=0x56598, ILI
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.568157] sr 4:0:0:0: [sr0] Add. Sense: Illegal mode for this track
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.568167] end_request: I/O error, dev sr0, sector 1414752
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.568172] Buffer I/O error on device sr0, logical block 176844
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.572717] sr 4:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.572720] sr 4:0:0:0: [sr0] Sense Key : Illegal Request [current] 
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.572726] Info fld=0x56598, ILI
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.572727] sr 4:0:0:0: [sr0] Add. Sense: Illegal mode for this track
Jan 15 09:56:43 phuongnd08-laptop kernel: [   27.572733] end_request: I/O error, dev sr0, sector 1414752

(I copy this log from /var/log/syslog file, not exactly like what displayed in the console)

Then I can switch to graphic interface by pressing Ctrl+ALt+F7 and continue my work.

Is there any reason for such funny stuff? Any solution should I try?

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2 Answers

up vote 1 down vote accepted

Try this solution from the Ubuntu Forums.

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This works like a charm. I google for weeks but cannot figure it out, thanks a lot. –  Phuong Nguyen Jan 15 '10 at 12:18
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Do you have the open source versions of the display drivers, or the company provided ones? Try with the latest Company provided drivers, they should work better - esp with the recent ATI ones.

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