On Sat, 9 Oct 2010, Yinghai Lu wrote: > On 10/08/2010 11:10 PM, Thomas Gleixner wrote: > >> [ 59.449366] IP: [<ffffffff8147d715>] acpi_pci_irq_find_prt_entry+0x85/0xb1 > > > > I can hardly see how this is related to the irq work. > > > >> [ 71.076886] Pid: 1, comm: swapper Tainted: G W 2.6.36-rc7-tip-yh-01944-ge8a4c5f-dirty #171 /Sun Fire x4800 > >> [ 71.096947] RIP: 0010:[<ffffffff8141e232>] [<ffffffff8141e232>] strcmp+0x4/0x21 > > > > Ditto. > > don't know. > > but without merging your branch, those problems don't come out. > > only thing i can think about that you real free irq code could > stress or expose other subsystem's bug etc. The first crash is in early boot and that code just fiddles with acpi internal stuff. Is that fully reproducible ? If yes, any chance you can bisect it ? Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html