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From: Reuben Farrelly <reuben-lkml@reub.net>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, jgarzik@pobox.com,
	Greg KH <greg@kroah.com>,
	linux-usb-devel@lists.sourceforge.net,
	Neil Brown <neilb@cse.unsw.edu.au>,
	linux-acpi@vger.kernel.org
Subject: Re: [linux-usb-devel] Re: 2.6.15-mm3 [USB lost interrupt bug]
Date: Mon, 16 Jan 2006 11:50:35 +1300	[thread overview]
Message-ID: <43CAD1BB.60301@reub.net> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0601121052190.5383-100000@iolanthe.rowland.org>

On 13/01/2006 4:53 a.m., Alan Stern wrote:
> On Thu, 12 Jan 2006, Reuben Farrelly wrote:
> 
>>>> Initializing USB Mass Storage driver...
>>>> irq 193: nobody cared (try booting with the "irqpoll" option)
> 
>>>> handlers:
>>>> [<c027017e>] (usb_hcd_irq+0x0/0x56)
>>>> Disabling IRQ #193
>>> USB lost its interrupt.  Could be USB, more likely ACPI.
>> I've seen this one happen nearly every boot since then including bootups that 
>> are otherwise OK (no oopses), so it's probably worth more looking into rather 
>> than being written off as a 'once off':
>>
>> uhci_hcd 0000:00:1d.3: Unlink after no-IRQ?  Controller is probably using the 
>> wrong IRQ.
> 
>> It's a new regression to -mm3.
> 
> Did the same IRQ get assigned to that controller in earlier kernel 
> versions?
> 
> Alan Stern

Hi Alan,

If it's any use, here's some simply and easy-to-get information which may even 
be what you are looking for:

[root@tornado dovecot]# uname -a
Linux tornado.reub.net 2.6.15-mm1 #1 SMP Sun Jan 8 03:42:25 NZDT 2006 i686 i686 
i386 GNU/Linux
[root@tornado ~]# cat /proc/interrupts
            CPU0       CPU1
   0:   21638510          0    IO-APIC-edge  timer
   4:        356          0    IO-APIC-edge  serial
   8:          1          0    IO-APIC-edge  rtc
   9:          0          0   IO-APIC-level  acpi
  14:          1          0    IO-APIC-edge  ide0
  50:          3          0   IO-APIC-level  ehci_hcd:usb1, uhci_hcd:usb2
169:        120          0   IO-APIC-level  uhci_hcd:usb5
177:    2837992          0   IO-APIC-level  sky2
185:      61450          0   IO-APIC-level  uhci_hcd:usb4, serial
193:    4722447          0   IO-APIC-level  libata, uhci_hcd:usb3
NMI:          0          0
LOC:   21638418   21638338
ERR:          0
MIS:          0
[root@tornado ~]#
[root@tornado ~]# lspci
00:00.0 Host bridge: Intel Corporation 925X/XE Memory Controller Hub (rev 04)
00:01.0 PCI bridge: Intel Corporation 925X/XE PCI Express Root Port (rev 04)
00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI 
Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI 
Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI 
Express Port 3 (rev 03)
00:1c.3 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI 
Express Port 4 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
USB UHCI #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
USB UHCI #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
USB UHCI #3 (rev 03)
00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
USB UHCI #4 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
USB2 EHCI Controller (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d3)
00:1f.0 ISA bridge: Intel Corporation 82801FB/FR (ICH6/ICH6R) LPC Interface 
Bridge (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) IDE 
Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801FR/FRW (ICH6R/ICH6RW) SATA 
Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus 
Controller (rev 03)
04:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8050 PCI-E ASF 
Gigabit Ethernet Controller (rev 17)
06:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA 2064W [Millennium] 
(rev 01)
06:02.0 Serial controller: Timedia Technology Co Ltd PCI2S550 (Dual 16550 UART) 
(rev 01)
[root@tornado ~]#

I guess this looks like it was assigned the same IRQ ?

Currently booted into -mm1 which is OK and hasn't shown any nasty symptoms yet.

Reuben





  reply	other threads:[~2006-01-15 22:51 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-11 12:21 2.6.15-mm3 Andrew Morton
2006-01-11 13:43 ` 2.6.15-mm3 Pekka Enberg
2006-01-11 14:27 ` 2.6.15-mm3 Ashutosh Naik
2006-01-11 16:21 ` 2.6.15-mm3 Dominik Karall
2006-01-11 22:22   ` 2.6.15-mm3, current -git: drivers/media/video/ compile errors Adrian Bunk
2006-01-11 22:48     ` Mauro Carvalho Chehab
2006-01-11 16:57 ` [PATCH -mm] mm/rmap.c: don't forget to include module.h Alexey Dobriyan
2006-01-11 21:42   ` Adrian Bunk
2006-01-11 21:50     ` Christoph Lameter
2006-01-11 18:25 ` 2.6.15-mm3 Roman Zippel
2006-01-11 18:45   ` 2.6.15-mm3 Andrew Morton
2006-01-11 22:26     ` 2.6.15-mm3 Roman Zippel
2006-01-11 18:34 ` 2.6.15-mm3 Brice Goglin
2006-01-11 18:40   ` 2.6.15-mm3 Dominik Brodowski
2006-01-11 19:07     ` 2.6.15-mm3 Brice Goglin
2006-01-11 19:55       ` 2.6.15-mm3 Dominik Brodowski
2006-01-11 20:28         ` 2.6.15-mm3 Brice Goglin
2006-01-11 21:21           ` 2.6.15-mm3 Dominik Brodowski
2006-01-11 22:47             ` 2.6.15-mm3 Brice Goglin
2006-01-11 23:00               ` 2.6.15-mm3 Dominik Brodowski
2006-01-11 23:23                 ` 2.6.15-mm3 Brice Goglin
2006-01-11 18:49   ` 2.6.15-mm3 Andrew Morton
2006-01-11 21:39 ` 2.6.15-mm3 Grant Coady
2006-01-11 23:41 ` 2.6.15-mm3: arch/ia64/sn/kernel/sn2/sn_proc_fs.c compile error Adrian Bunk
2006-01-12  0:01   ` Andrew Morton
2006-01-12  0:17     ` Adrian Bunk
2006-01-12  0:23       ` Andrew Morton
2006-01-12  0:54         ` Adrian Bunk
2006-01-12  1:02 ` [-mm patch] fix arch/ia64/sn/kernel/tiocx.c compilation Adrian Bunk
2006-01-12 16:43   ` Greg KH
2006-01-12  4:04 ` 2.6.15-mm3 Reuben Farrelly
2006-01-12  4:33   ` 2.6.15-mm3 Andrew Morton
2006-01-12  4:38     ` 2.6.15-mm3 Reuben Farrelly
2006-01-12  8:54     ` 2.6.15-mm3 [USB lost interrupt bug] Reuben Farrelly
2006-01-12 15:53       ` [linux-usb-devel] " Alan Stern
2006-01-15 22:50         ` Reuben Farrelly [this message]
2006-01-16  3:22           ` Alan Stern
2006-01-16  3:28             ` Reuben Farrelly
2006-01-16  3:46               ` Alan Stern
2006-01-21  5:21                 ` Reuben Farrelly
2006-01-21  5:47                   ` Andrew Morton
2006-01-21  7:58                     ` Reuben Farrelly
2006-01-21  8:32                       ` [PATCH] " Jeff Garzik
2006-01-21 10:41                         ` Reuben Farrelly
2006-01-12 10:48 ` [RFC: -mm patch] swsusp: make some code static Adrian Bunk
2006-01-12 15:29   ` Pavel Machek
2006-01-12 16:18     ` Rafael J. Wysocki
2006-01-12 10:48 ` [-mm patch] drivers/block/aoe/aoecmd.c: make aoecmd_cfg_pkts() static Adrian Bunk
2006-01-12 23:55   ` Ed L. Cashin
2006-01-12 21:05 ` 2.6.15-mm3 Rafael J. Wysocki
2006-01-12 21:58   ` 2.6.15-mm3 Andrew Morton
2006-01-12 22:01     ` 2.6.15-mm3 Patrick McHardy
2006-01-13  8:34 ` 2.6.15-mm3 Sachin Sant
2006-01-13 11:52   ` 2.6.15-mm3 Andrew Morton
2006-01-13 21:59     ` 2.6.15-mm3 Benjamin Herrenschmidt

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