ELFAGS: 00010046 (2.6.8-1.533) EIP is at __queue_work+0xa/0xf5 ... Process swapper (pid: 0, threadinfo=c03cc000 task=c0344b80) ... Call Trace: blank_screen_t+0x0/0x14 queue_work+0x26/0x2f run_timer_softirq+0x208/0x309 __do_softirq+0x35/0x79 do_softirq+0x46/0x4d ====================== do_IRQ+0x2f7/0x303 common_interrupt+0x18/0x20 _stext+0x82/0x143 start_kernel+0x1b7+0x219 (More details available upon request)
Happens on an IBM x335 (opteron thing) - the kernel gets hung at bootup right after printing something about HPET timers, and then panics probably when the screen blanker kicks in. Workaround is acpi=off.