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Message-Id: <1154983937.4682.6.camel@localhost.portugal>
Date: Mon, 07 Aug 2006 21:52:17 +0100
From: Sergio Monteiro Basto <sergio@...giomb.no-ip.org>
To: Jesper Juhl <jesper.juhl@...il.com>
Cc: Alan Stern <stern@...land.harvard.edu>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-usb-devel@...ts.sourceforge.net,
Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: Problem: irq 217: nobody cared + backtrace
my system is much different, but I got similar problems
http://bugme.osdl.org/show_bug.cgi?id=6419#c17
irq 201: nobody cared (try booting with the "irqpoll" option)
Call Trace:
[<ffffffff8026a20a>] dump_stack+0x12/0x17
[<ffffffff802b6c26>] __report_bad_irq+0x30/0x7d
[<ffffffff802b6e46>] note_interrupt+0x1d3/0x219
[<ffffffff802b6383>] __do_IRQ+0xc8/0x107
[<ffffffff8026b166>] do_IRQ+0xe7/0xf5
[<ffffffff8025d189>] ret_from_intr+0x0/0xa
DWARF2 unwinder stuck at ret_from_intr+0x0/0xa
Leftover inexact backtrace:
<IRQ> <EOI> [<ffffffff80230d50>] unix_poll+0x0/0x99
[<ffffffff802569ed>] mwait_idle+0x36/0x4a
[<ffffffff8024888d>] cpu_idle+0x95/0xb8
[<ffffffff806da842>] start_kernel+0x220/0x225
[<ffffffff806da28a>] _sinittext+0x28a/0x28e
handlers:
[<ffffffff880eaaf5>] (rhine_interrupt+0x0/0xae3 [via_rhine])
Disabling IRQ #201
root@...teirov:~#cat /proc/interrupts
CPU0 CPU1
0: 356842 312644 IO-APIC-edge timer
1: 586 711 IO-APIC-edge i8042
6: 5 0 IO-APIC-edge floppy
7: 2 0 IO-APIC-edge parport0
8: 0 0 IO-APIC-edge rtc
9: 0 0 IO-APIC-level acpi
12: 33214 32075 IO-APIC-edge i8042
15: 11161 11127 IO-APIC-edge ide1
193: 65857 9444 IO-APIC-level libata
201: 100000 0 IO-APIC-level eth0
^^^^^^
209: 91593 91062 IO-APIC-level uhci_hcd:usb1,
uhci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb4, ehci_hcd:usb5
217: 1151 538 IO-APIC-level VIA8237
225: 49661 49438 IO-APIC-level nvidia
NMI: 438 403
LOC: 669481 669457
ERR: 0
MIS: 0
On Fri, 2006-08-04 at 16:36 +0200, Jesper Juhl wrote:
> On 03/08/06, Alan Stern <stern@...land.harvard.edu> wrote:
> >
> > Has this happened more than once?
>
> Seems to happen consistently after ~100000 interrupts.
>
> > In case it happens again, here's how
> > you can get more information. Turn on CONFIG_USB_DEBUG and
> > CONFIG_DEBUG_FS, and mount a debugfs filesystem somewhere (say
> > /sys/kernel/debug). Then after the problem occurs, save a copy of
> >
> > /sys/kernel/debug/uhci/0000:00:1d.1
> >
>
> # cat /sys/kernel/debug/uhci/0000:00:1d.1
> Root-hub state: auto-stopped FSBR: 0
> HC status
> usbcmd = 0048 Maxp32 CF EGSM
> usbstat = 0020 HCHalted
> usbint = 0002
> usbfrnum = (1)160
> flbaseadd = 37428160
> sof = 40
> stat1 = 0080
> stat2 = 0080
> Most recent frame: 458 (88) Last ISO frame: 458 (88)
>
>
> > That will indicate whether the UHCI controller thinks it is sending an
> > interrupt request.
> >
>
> And just for completenes, here's the backtrace I got just before
> saving the above info :
>
> irq 217: nobody cared (try booting with the "irqpoll" option)
> [<c0103a3c>] show_trace_log_lvl+0x152/0x165
> [<c0103a5e>] show_trace+0xf/0x13
> [<c0103b59>] dump_stack+0x15/0x19
> [<c013846e>] __report_bad_irq+0x24/0x7f
> [<c0138552>] note_interrupt+0x6b/0xd5
> [<c0137ca8>] __do_IRQ+0xf4/0x100
> [<c01050a1>] do_IRQ+0x95/0xbc
> [<c0103502>] common_interrupt+0x1a/0x20
> [<c0137b7e>] handle_IRQ_event+0x20/0x56
> [<c0137c4c>] __do_IRQ+0x98/0x100
> [<c01050a1>] do_IRQ+0x95/0xbc
> [<c0103502>] common_interrupt+0x1a/0x20
> [<c0100e64>] mwait_idle+0x30/0x35
> [<c0100d45>] cpu_idle+0x78/0x81
> [<c04cc7fb>] start_kernel+0x173/0x19d
> [<c0100210>] 0xc0100210
> DWARF2 unwinder stuck at 0xc0100210
> Leftover inexact backtrace:
> =======================
> handlers:
> [<c02c5c22>] (usb_hcd_irq+0x0/0x53)
> Disabling IRQ #217
>
>
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