Hard lockup with ata_piix 2.6.21.1: strange traceback, too

2007-06-20 Thread Mark Lord
Hi guys, I'm debugging a system here based on ICH7/ata_piix. When we hot-pull a drive, it locks up solid. That's fine, but I'd like to find/fix the lockup. So as part of poking around, I rebuilt the kernel with frame pointers, and inserted a WARN_ON(1) into ata_busy_sleep() to see who was

Re: Hard lockup with ata_piix 2.6.21.1: strange traceback, too

2007-06-20 Thread Tejun Heo
Mark Lord wrote: Hi guys, I'm debugging a system here based on ICH7/ata_piix. When we hot-pull a drive, it locks up solid. That's fine, but I'd like to find/fix the lockup. So as part of poking around, I rebuilt the kernel with frame pointers, and inserted a WARN_ON(1) into