lkml.org 
[lkml]   [2008]   [Aug]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectUSB Serial device disconnect causes IRQ disable
Hi
I again encountered the same issue IRQ23 disabled.
Here is my /proc/interrupts
CPU0 CPU1
0: 381 0 IO-APIC-edge timer
1: 47 6499 IO-APIC-edge i8042
3: 2 0 IO-APIC-edge
4: 4 0 IO-APIC-edge
6: 7 0 IO-APIC-edge floppy
9: 0 0 IO-APIC-fasteoi acpi
12: 4 0 IO-APIC-edge i8042
14: 27742 0 IO-APIC-edge ide0
15: 3152 809663 IO-APIC-edge ide1
16: 383 0 IO-APIC-fasteoi uhci_hcd:usb2, uhci_hcd:usb5
18: 888468 0 IO-APIC-fasteoi ata_piix, uhci_hcd:usb4, eth0
19: 268 0 IO-APIC-fasteoi uhci_hcd:usb3
23: 300001 0 IO-APIC-fasteoi ehci_hcd:usb1
NMI: 436 172 Non-maskable interrupts
LOC: 1810724 1760209 Local timer interrupts
RES: 171199 167417 Rescheduling interrupts
CAL: 140 6288 function call interrupts
TLB: 4071 1963 TLB shootdowns
TRM: 0 0 Thermal event interrupts
SPU: 0 0 Spurious interrupts
ERR: 0
MIS: 0

Thanks
Amruth p.v


--- On Thu, 8/7/08, Oliver Neukum <oliver@neukum.org> wrote:

> From: Oliver Neukum <oliver@neukum.org>
> Subject: Re: USB Serial device disconnect causes IRQ disable
> To: "amruth" <amruth_pv@yahoo.com>
> Cc: linux-usb@vger.kernel.org
> Date: Thursday, August 7, 2008, 3:10 AM
> Am Mittwoch 06 August 2008 22:58:08 schrieb amruth:
> > Hi
> > All
> > After disconnecting the usb serial device randomly. I
> am getting the following error.
> >
> > usr/src/linux-2.6.26/drivers/usb/serial/usb-serial.c:
> serial is OK
> > /usr/src/linux-2.6.26/drivers/usb/serial/usb-serial.c:
> after rteturn serial
> > /usr/src/linux-2.6.26/drivers/usb/serial/usb-serial.c:
> before unregister serial
> > magtek ttyUSB0: Magtek 75/Excella USB card reader
> converter now disconnected from ttyUSB0
> > /usr/src/linux-2.6.26/drivers/usb/serial/usb-serial.c:
> port_release - ttyUSB0
> > /usr/src/linux-2.6.26/drivers/usb/serial/usb-serial.c:
> after unregister serial
>
> If you have a spurious interrupt sharing a line with a
> legitimate source
> of interrupts, you'll see nothing while the legitimate
> source operates.
> Is there another device sharing irq 23? What does
> /proc/interrupts say?
>
> Regards
> Oliver






\
 
 \ /
  Last update: 2008-08-20 21:37    [W:0.061 / U:0.184 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site