One other option that allows these systems to boot is 'acpi=off', though that is hardly useful on a laptop.
rtg Ben Collins wrote: > Tim and I have both experienced this problem. With 2.6.20 things worked > perfectly fine on these systems. The two machines are a Dell 1501 Turion > X2 and Dell 1521 Turion X2. > > With 2.6.22 the kernel hangs shortly after starting up, but after > several minutes, you can get activity by tapping keyboard (generating > interrupts). We have NO_HZ and HIGH_RES enabled, but even disabling this > doesn't help. > > I've tried every combination of boot param revolving around clocksource > and interrupts. The only thing that gets me booting is nolapic, but then > again, that knocks me down to a single cpu. Setting maxcpus=1 or nosmp > doesn't fix it. > > We both bisected (separately I might add) down to this commit: > > commit e9e2cdb412412326c4827fc78ba27f410d837e6e > Author: Thomas Gleixner <[EMAIL PROTECTED]> > Date: Fri Feb 16 01:28:04 2007 -0800 > > [PATCH] clockevents: i386 drivers > > Add clockevent drivers for i386: lapic (local) and PIT/HPET (global). > Update > the timer IRQ to call into the PIT/HPET driver's event handler and the > lapic-timer IRQ to call into the lapic clockevent driver. The > assignement of > timer functionality is delegated to the core framework code and replaces > the > compile and runtime evalution in do_timer_interrupt_hook() > > Use the clockevents broadcast support and implement the lapic_broadcast > function for ACPI. > > No changes to existing functionality. > > Note, the problem doesn't happen when using an x86_64 kernel with the > same basic config, on the same machine. > > Hoping to get some tips to test something a bit more specific in this > patch. > -- Tim Gardner [EMAIL PROTECTED] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/