Comment 3 for bug 512387

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balak (balak) wrote :

Thanks Geir for the pointers to the other bugs. The freeze happens instantly.

I tried the following: started in recovery mode without X and the freeze/hang happened even then. So it seemed like a kernel issue and more like bug 319717.

I looked over the other bug and found a possible work-around - adding 'acpi_osi="!Windows 2006" to the kernel boot parameters. This seems to have done the trick - after booting into the kernel with this parameter, I don't see the freeze/hang issue anymore. However 319717 reports that the issue was fixed in v2.6.31-rc1 which is the ubuntu 2.6.31-1.13 kernel. I am currently running 2.6.31-17.

I have attached dmesg and kernel logs while booting with acpi_osi parameter.