On Saturday, December 04, 2010 08:49:12 am Tobias Karnat wrote: > I have a problem with random oopses on boot, > every 1 out of 5 times I boot linux freezes. > > I was not able to obtain a call trace, however it happens around 10-15 > seconds after boot. I can hear that the tg3 driver is initialised. > > In this thread, they have the same problem: > https://bugzilla.novell.com/show_bug.cgi?id=647029 Wow, that's a nasty problem. > Applying the patch from the thread, makes the problem occurring less > often and dmesg shows acpi-button loads for me on hid PNP0C0C and > LNXPWRBN. > > Maybe commit e2fb9754d27513918a4936e8cbaad50ff56cfd3d > ACPI: button: remove unnecessary null pointer checks > has unmasked an underlying problem? The oopses from the bugzilla are not the sort I would expect from a null pointer dereference, but since it's fairly reproducible for you, it might be worth reverting e2fb9754d27 to see whether it makes any difference. Does Rich's script from https://bugzilla.novell.com/show_bug.cgi?id=647029#c30 help you reproduce the problem? Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html