Hi there,
I use a Gigabyte GA7-VAXP motherboard that has been fine for more than 2 years
with 2.4 series kernels, and that gives trouble with 2.6.12 (and previous)
kernels.
The problem seems to sit between the UP IO-APIC and USB uhci_hcd driver.
The GA7-VAXP MB is equipped with an Athlon 2000+ XP and a VIA KT400 chipset.
Using 2.4 series kernel the IO-APIC is used just fine. Was never source of
any kind of problem.
Using 2.6.12 kernel, if the IO-APIC is enabled in the kernel configuration,
then the interrupt controlling the uhci_hcd USB controller gets disabled as
soon as uhci_hcd is initialized.
This however doesn't happen all the times. I would say that it happens at
bootup about 50% of the times. However, if the uhci_hcd happened to
initialize OK, then it will work just good until the machine is rebooted.
When it fails, I get the following messages in syslog:
Jul 9 12:28:06 totor kernel: usbcore: registered new driver usbfs
Jul 9 12:28:06 totor kernel: usbcore: registered new driver hub
Jul 9 12:28:06 totor kernel: USB Universal Host Controller Interface driver
v2.2
Jul 9 12:28:06 totor kernel: PCI: Via IRQ fixup for 0000:00:10.0, from 10 to
5
Jul 9 12:28:06 totor kernel: uhci_hcd 0000:00:10.0: VIA Technologies, Inc.
VT82xxxxx UHCI USB 1.1 Controller
Jul 9 12:28:06 totor kernel: uhci_hcd 0000:00:10.0: new USB bus registered,
assigned bus number 1
Jul 9 12:28:06 totor kernel: uhci_hcd 0000:00:10.0: irq 21, io base
0x0000ac00
Jul 9 12:28:06 totor kernel: hub 1-0:1.0: USB hub found
Jul 9 12:28:06 totor kernel: hub 1-0:1.0: 2 ports detected
Jul 9 12:28:06 totor kernel: PCI: Via IRQ fixup for 0000:00:10.1, from 10 to
5
Jul 9 12:28:06 totor kernel: uhci_hcd 0000:00:10.1: VIA Technologies, Inc.
VT82xxxxx UHCI USB 1.1 Controller (#2)
Jul 9 12:28:06 totor kernel: uhci_hcd 0000:00:10.1: new USB bus registered,
assigned bus number 2
Jul 9 12:28:06 totor kernel: uhci_hcd 0000:00:10.1: irq 21, io base
0x0000b000
Jul 9 12:28:06 totor kernel: hub 2-0:1.0: USB hub found
Jul 9 12:28:06 totor kernel: hub 2-0:1.0: 2 ports detected
Jul 9 12:28:06 totor kernel: PCI: Via IRQ fixup for 0000:00:10.2, from 10 to
5
Jul 9 12:28:06 totor kernel: uhci_hcd 0000:00:10.2: VIA Technologies, Inc.
VT82xxxxx UHCI USB 1.1 Controller (#3)
Jul 9 12:28:06 totor kernel: usb 1-1: new low speed USB device using uhci_hcd
and address 2
Jul 9 12:28:06 totor kernel: uhci_hcd 0000:00:10.2: new USB bus registered,
assigned bus number 3
Jul 9 12:28:06 totor kernel: uhci_hcd 0000:00:10.2: irq 21, io base
0x0000b400
Jul 9 12:28:06 totor kernel: hub 3-0:1.0: USB hub found
Jul 9 12:28:06 totor kernel: hub 3-0:1.0: 2 ports detected
Jul 9 12:28:06 totor kernel: PCI: Via IRQ fixup for 0000:00:10.3, from 11 to
3
Jul 9 12:28:06 totor kernel: ehci_hcd 0000:00:10.3: VIA Technologies, Inc.
USB 2.0
Jul 9 12:28:06 totor kernel: ehci_hcd 0000:00:10.3: new USB bus registered,
assigned bus number 4
Jul 9 12:28:06 totor kernel: ehci_hcd 0000:00:10.3: irq 19, io mem 0xe3006000
Jul 9 12:28:06 totor kernel: ehci_hcd 0000:00:10.3: USB 2.0 initialized, EHCI
1.00, driver 10 Dec 2004
Jul 9 12:28:06 totor kernel: usbcore: registered new driver hiddev
Jul 9 12:28:06 totor kernel: hub 4-0:1.0: USB hub found
Jul 9 12:28:06 totor kernel: hub 4-0:1.0: 6 ports detected
Jul 9 12:28:06 totor kernel: usbhid: probe of 1-1:1.0 failed with error -5
Jul 9 12:28:06 totor kernel: usbcore: registered new driver usbhid
Jul 9 12:28:06 totor kernel: drivers/usb/input/hid-core.c: v2.01:USB HID core
driver
Jul 9 12:28:06 totor kernel: usb 1-1: USB disconnect, address 2
Jul 9 12:28:06 totor kernel: irq 21: nobody cared!
Jul 9 12:28:06 totor kernel: [__report_bad_irq+42/144]
__report_bad_irq+0x2a/0x90
Jul 9 12:28:06 totor kernel: [<c0136e5a>] __report_bad_irq+0x2a/0x90
Jul 9 12:28:06 totor kernel: [handle_IRQ_event+57/112]
handle_IRQ_event+0x39/0x70
Jul 9 12:28:06 totor kernel: [<c01368f9>] handle_IRQ_event+0x39/0x70
Jul 9 12:28:06 totor kernel: [note_interrupt+163/208]
note_interrupt+0xa3/0xd0
Jul 9 12:28:06 totor kernel: [<c0136f83>] note_interrupt+0xa3/0xd0
Jul 9 12:28:06 totor kernel: [__do_IRQ+240/256] __do_IRQ+0xf0/0x100
Jul 9 12:28:06 totor kernel: [<c0136a20>] __do_IRQ+0xf0/0x100
Jul 9 12:28:06 totor kernel: [do_IRQ+54/112] do_IRQ+0x36/0x70
Jul 9 12:28:06 totor kernel: [<c01050e6>] do_IRQ+0x36/0x70
Jul 9 12:28:06 totor kernel: [common_interrupt+26/32]
common_interrupt+0x1a/0x20
Jul 9 12:28:06 totor kernel: [<c0103526>] common_interrupt+0x1a/0x20
Jul 9 12:28:06 totor kernel: handlers:
Jul 9 12:28:06 totor kernel: [pg0+947137696/1069564928] (usb_hcd_irq+0x0/0x90
[usbcore])
Jul 9 12:28:06 totor kernel: [<f8b3cca0>] (usb_hcd_irq+0x0/0x90 [usbcore])
Jul 9 12:28:06 totor kernel: [pg0+947137696/1069564928] (usb_hcd_irq+0x0/0x90
[usbcore])
Jul 9 12:28:06 totor kernel: [<f8b3cca0>] (usb_hcd_irq+0x0/0x90 [usbcore])
Jul 9 12:28:06 totor kernel: [pg0+947137696/1069564928] (usb_hcd_irq+0x0/0x90
[usbcore])
Jul 9 12:28:06 totor kernel: [<f8b3cca0>] (usb_hcd_irq+0x0/0x90 [usbcore])
Jul 9 12:28:06 totor kernel: Disabling IRQ #21
Jul 9 12:28:06 totor kernel: usb 1-1: new low speed USB device using uhci_hcd
and address 3
Jul 9 12:28:06 totor kernel: input: USB HID v1.10 Mouse [Logitech USB
Receiver] on usb-0000:00:10.0-1
Jul 9 12:28:06 totor kernel: usb 3-2: new full speed USB device using
uhci_hcd and address 2
Starting there, USB devices cause trouble -- including my mouse that responds
very slowly and erratically, probably because its interrupt got disabled ?
If the kernel is compiled without support for UP IO-APIC
(CONFIG_X86_UP_IOAPIC), or booted with the "noapic" option, then this trouble
doesn't happen -- but the system doesn't use its IO-APIC, which is annoying.
Here follows other syslog boot messages that may be relevant to this IRQ
problem. Any clue ?
N.B.: I'm not subscribed to the Linux-kernel ML. Please copy me on answers.
TIA, cheers.
Jul 9 12:28:06 totor kernel: Linux version 2.6.12-3mib4v
([email protected]) (gcc version 3.4.3 (Mandrakelinux 10.2 3.4.3-7mdk))
#6 Sat Jul 9 12:16:43 CEST 2005
Jul 9 12:28:06 totor kernel: BIOS-provided physical RAM map:
Jul 9 12:28:06 totor kernel: BIOS-e820: 0000000000000000 - 000000000009fc00
(usable)
Jul 9 12:28:06 totor kernel: BIOS-e820: 000000000009fc00 - 00000000000a0000
(reserved)
Jul 9 12:28:06 totor kernel: BIOS-e820: 00000000000f0000 - 0000000000100000
(reserved)
Jul 9 12:28:06 totor kernel: BIOS-e820: 0000000000100000 - 000000003fff0000
(usable)
Jul 9 12:28:06 totor kernel: BIOS-e820: 000000003fff0000 - 000000003fff3000
(ACPI NVS)
Jul 9 12:28:06 totor kernel: BIOS-e820: 000000003fff3000 - 0000000040000000
(ACPI data)
Jul 9 12:28:06 totor kernel: BIOS-e820: 00000000fec00000 - 00000000fec01000
(reserved)
Jul 9 12:28:06 totor kernel: BIOS-e820: 00000000fee00000 - 00000000fee01000
(reserved)
Jul 9 12:28:06 totor kernel: BIOS-e820: 00000000ffff0000 - 0000000100000000
(reserved)
Jul 9 12:28:06 totor kernel: 127MB HIGHMEM available.
Jul 9 12:28:06 totor kernel: 896MB LOWMEM available.
Jul 9 12:28:06 totor kernel: found SMP MP-table at 000f4c50
Jul 9 12:28:06 totor kernel: DMI 2.3 present.
Jul 9 12:28:06 totor kernel: Intel MultiProcessor Specification v1.4
Jul 9 12:28:06 totor kernel: Virtual Wire compatibility mode.
Jul 9 12:28:06 totor kernel: OEM ID: OEM00000 Product ID: PROD00000000 APIC
at: 0xFEE00000
Jul 9 12:28:06 totor kernel: Processor #0 6:6 APIC version 17
Jul 9 12:28:06 totor kernel: I/O APIC #2 Version 17 at 0xFEC00000.
Jul 9 12:28:06 totor kernel: Enabling APIC mode: Flat. Using 1 I/O APICs
Jul 9 12:28:06 totor kernel: Processors: 1
Jul 9 12:28:06 totor kernel: Allocating PCI resources starting at 40000000
(gap: 40000000:bec00000)
Jul 9 12:28:06 totor kernel: Built 1 zonelists
Jul 9 12:28:06 totor kernel: Initializing CPU#0
Jul 9 12:28:06 totor kernel: Kernel command line: root=/dev/evms/lv_racine ro
devfs=nomount noquiet vga=791
Jul 9 12:28:06 totor kernel: PID hash table entries: 4096 (order: 12, 65536
bytes)
Jul 9 12:28:06 totor kernel: Detected 1674.892 MHz processor.
Jul 9 12:28:06 totor kernel: Using tsc for high-res timesource
Jul 9 12:28:06 totor kernel: Console: colour dummy device 80x25
Jul 9 12:28:06 totor kernel: Dentry cache hash table entries: 131072 (order:
7, 524288 bytes)
Jul 9 12:28:06 totor kernel: Inode-cache hash table entries: 65536 (order: 6,
262144 bytes)
Jul 9 12:28:06 totor kernel: Memory: 1032408k/1048512k available (1820k
kernel code, 15220k reserved, 740k data, 196k init, 131008k highmem,
0k BadRAM)
Jul 9 12:28:06 totor kernel: Checking if this processor honours the WP bit
even in supervisor mode... Ok.
Jul 9 12:28:06 totor kernel: Security Framework v1.0.0 initialized
Jul 9 12:28:06 totor kernel: Capability LSM initialized
Jul 9 12:28:06 totor kernel: Mount-cache hash table entries: 512
Jul 9 12:28:06 totor kernel: CPU: L1 I Cache: 64K (64 bytes/line), D cache
64K (64 bytes/line)
Jul 9 12:28:06 totor kernel: CPU: L2 Cache: 256K (64 bytes/line)
Jul 9 12:28:06 totor kernel: Intel machine check architecture supported.
Jul 9 12:28:06 totor kernel: Intel machine check reporting enabled on CPU#0.
Jul 9 12:28:06 totor kernel: CPU: AMD Athlon(tm) XP 2000+ stepping 02
Jul 9 12:28:06 totor kernel: Enabling fast FPU save and restore... done.
Jul 9 12:28:06 totor kernel: Enabling unmasked SIMD FPU exception support...
done.
Jul 9 12:28:06 totor kernel: Checking 'hlt' instruction... OK.
Jul 9 12:28:06 totor kernel: ENABLING IO-APIC IRQs
Jul 9 12:28:06 totor kernel: ..TIMER: vector=0x31 pin1=2 pin2=0
Jul 9 12:28:06 totor kernel: checking if image is initramfs...it isn't (no
cpio magic); looks like an initrd
Jul 9 12:28:06 totor kernel: Freeing initrd memory: 3097k freed
Jul 9 12:28:06 totor kernel: NET: Registered protocol family 16
Jul 9 12:28:06 totor kernel: PCI: PCI BIOS revision 2.10 entry at 0xf9ea0,
last bus=1
Jul 9 12:28:06 totor kernel: PCI: Using configuration type 1
Jul 9 12:28:06 totor kernel: mtrr: v2.0 (20020519)
Jul 9 12:28:06 totor kernel: Linux Plug and Play Support v0.97 (c) Adam Belay
Jul 9 12:28:06 totor kernel: PnPBIOS: Disabled
Jul 9 12:28:06 totor kernel: PCI: Probing PCI hardware
Jul 9 12:28:06 totor kernel: PCI: Probing PCI hardware (bus 00)
Jul 9 12:28:06 totor kernel: PCI: Using IRQ router default [1106/3189] at
0000:00:00.0
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:00:0a.0[A] -> IRQ
18
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:00:0b.0[A] -> IRQ
19
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:00:0f.0[A] -> IRQ
19
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:00:10.0[A] -> IRQ
21
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:00:10.1[B] -> IRQ
21
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:00:10.2[C] -> IRQ
21
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:00:10.3[D] -> IRQ
19
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:00:11.1[A] -> IRQ
22
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:00:11.5[C] -> IRQ
22
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:00:13.0[A] -> IRQ
18
Jul 9 12:28:06 totor kernel: PCI->APIC IRQ transform: 0000:01:00.0[A] -> IRQ
16
Jul 9 12:28:06 totor kernel: Machine check exception polling timer started.
Jul 9 12:28:06 totor kernel: apm: BIOS version 1.2 Flags 0x07 (Driver version
1.16ac)
Jul 9 12:28:06 totor kernel: audit: initializing netlink socket (disabled)
Jul 9 12:28:06 totor kernel: audit(1120904798.619:0): initialized
Jul 9 12:28:06 totor kernel: highmem bounce pool size: 64 pages
Jul 9 12:28:06 totor kernel: inotify device minor=63
[...]
--
Michel Bouissou <[email protected]> OpenPGP ID 0xDDE8AC6E
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