On Sat, Sep 02, 2006 at 01:37:13AM -0700, Jeremy Fitzhardinge wrote: > Jeremy Fitzhardinge wrote: > >The NULL EIP is desc->handle_irq in do_IRQ(): > > > > asm volatile( > > " xchgl %%ebx,%%esp \n" > > " call *%%edi \n" > > " movl %%ebx,%%esp \n" > > : "=a" (arg1), "=d" (arg2), "=c" (arg3), "=b" (ebx) > > : "0" (irq), "1" (desc), "2" (regs), "3" (isp), > > "D" (desc->handle_irq) > > : "memory", "cc" > > ); > > > >In my case, the IRQ is 0xdb = 219, which is an MSI interrupt for > >libata (the AHCI SATA controller, presumably). The exception happens > >just after the SATA driver has probed all the hard disks. > > > >So it seems to me that the suspects are 1) sata, or 2) MSI. I'll try > >turning off MSI to see if it helps. > > Yes, that fixed it; with MSI disabled I can boot successfully. > > : ezr:pts/0; cd hg/linux-2.6/patches/broken-out/ > : ezr:pts/0; ls *msi* | wc -l > 23 > > Hm, where to start... There are 9 MSI patches in my tree that you can just remove. They were just recently (a few hours ago) replaced with a total rewrite due to a number of different problems that were found. So I'd suggest just waiting till the next -mm release to see if it works properly or not. thanks, greg k-h -- VGER BF report: H 0 - 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
