Hi Len, thanks so much for your reply. In response I can report: 1. System boots fine using noapic option. 2. System fails to boot normally using Fedora with kernel 2.6.38 Thanks Regards Steve On Mon, 07 Nov 2011 13:26:35 Len Brown wrote: > Hi Steve, > > Thanks for the report. > > > OS Information > > OS: Linux 3.1.0-rc9-1-desktop x86_64 > > System: openSUSE 12.1 RC 1 (x86_64) > > KDE: 4.7.2 (4.7.2) > > > > Hardware Information > > Lenovo Thinkpad L420 Model number 78544KM > > i5-2520M(2.50GHz) > > Intel HD Graphics > > > > Problem > > Fails to boot without boot option of either acpi=off, nosmp, or > > maxcpus=0 > > How about simply "noapic" > > or if that fails, then: > > maxcpus=1, noapic > > That should get you up in ACPI mode, but w/ the IOAPIC disabled. > > > Almost immediately freezes. CapsLock does not work and only way to > > continue is to power off with the power button. > > > > With debug on last line of output reads: > > ACPI: CE: Look up EC in DSDT > > > > Fails with kernel 3.04 and 3.1 and all distro's I have tried with. > > have you tried any distros that are running a kernel older than 3.04? > > thanks, > -Len -- 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
