Messages in this thread |  | | Date | Fri, 7 Sep 2001 15:41:29 -0500 | From | Andy Isaacson <> | Subject | USB IRQ routing problems on Via Apollo Pro 133A |
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[Moving from private mail to linux-kernel]
On Thu, Sep 06, 2001 at 08:25:36PM +0200, thunder7@xs4all.nl wrote: > You have missed something all right. In the later kernels, the output of > 'dmesg' mentions: > > PCI: Probing PCI hardware [snip] > PCI: Enabling Via external APIC routing > PCI: Via IRQ fixup for 00:07.2, from 9 to 3 > PCI: Via IRQ fixup for 00:07.3, from 9 to 3 > > Those last 2 lines are the ones that are new (since 2.4.5 or so, I guess > - it was back in June, anyway)
Hrm. Depending on what I enable in the BIOS, I do get similar lines, but even then my USB controller doesn't work. On the current boot for example, I have
PCI: Enabling Via external APIC routing PCI: Via IRQ fixup for 00:07.2, from 9 to 3
and the usb-uhci driver shows up in /proc/interrupts:
CPU0 CPU1 0: 384195 341825 IO-APIC-edge timer 1: 4166 4032 IO-APIC-edge keyboard 2: 0 0 XT-PIC cascade 9: 0 0 XT-PIC acpi 12: 39181 39875 IO-APIC-edge PS/2 Mouse 14: 5362 5509 IO-APIC-edge ide0 15: 0 0 IO-APIC-edge ide1 17: 13441 13344 IO-APIC-level eth0 18: 284 304 IO-APIC-level es1371 19: 0 0 IO-APIC-level usb-uhci NMI: 0 0 LOC: 725968 725967 ERR: 0 MIS: 0
But there are still no interrupts getting from the USB controller to the CPU. I get the standard
hub.c: port 1 connection change hub.c: port 1, portstatus 300, change 3, 1.5 Mb/s hub.c: port 2 connection change hub.c: port 2, portstatus 101, change 3, 12 Mb/s usb-uhci.c: v1.251:USB Universal Host Controller Interface driver hub.c: port 2, portstatus 103, change 0, 12 Mb/s hub.c: USB new device connect on bus1/2, assigned device number 2 usb_control/bulk_msg: timeout usb.c: USB device not accepting new address=2 (error=-110)
and /proc/interrupts continues to show 0 interrupts on line 19.
If I switch back to MPS1.1, the USB controller moves to IRQ 9 (shared with the acpi controller) but the behavior is the same. If I toggle "PnP OS" in the BIOS, I see no relevant differences. I've tried turning off and on just about everything of relevance; no change.
Booting a non-APIC kernel makes it work, of course.
The system is a Tyan Tiger 133A, Via Apollo Pro 133A chipset, SMP, currently running 2.4.9. Complete dmesg, lspci -vvvvxxxx, and /proc/interrupts are at http://web.hexapodia.org/~adi/straum/usb/
Thanks for any help. Feel free to CC me on replies; I am on the list, but procmail is a harsh mistress.
(Related question: Why the '& 0xf' in the calculation of newirq in quirk_via_irqpic?)
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