Messages in this thread |  | | From | (Linus Torvalds) | Subject | Re: [bug] usb-uhci locks up on boot half the time | Date | 9 Nov 2000 14:54:34 -0800 |
| |
In article <3A0B27E3.7D10AB64@linux.com>, David Ford <david@linux.com> wrote: > >The oddity is that kdb shows the machine to lock up on the popf in >pci_conf_write_word()+0x2c. I never did get around to digging up this >routine and looking at the code, but I suspect this is a final return >from the routine. I'm rather confused however, I have no idea why a >flags pop would hang the hardware.
Educated guess: it enables interrupts, after it has done something to the hardware that causes an infinite stream of them.
Linus - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
|  |