Le Lundi 25 Juillet 2005 22:44, Alan Stern a écrit :
>
> Now that's strange. When you plug the high-speed device into the
> integrated ports, which IRQ counter changes? Since nothing is using IRQ
> 21, it should be disabled and its counter should remain constant. Does
> this mean the interrupts show up on IRQ 19 (used by ehci-hcd), or do they
> not show up at all (i.e., is the USB connection just being polled)?
I assume it's IRQ 19.
cat /proc/interrupts doesn't show IRQ21 at all when uhci isn't loaded.
IRQ 19 being shared with 4 IDE controllers that controls my hard drives,
that's hard to isolate interrupts counts due to USB activity from interrupts
counts due to disks activity...
--
Michel Bouissou <[email protected]> OpenPGP ID 0xDDE8AC6E
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
| |
 |