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Message-ID: <318135.65419.qm@web45201.mail.sp1.yahoo.com>
Date: Thu, 21 Aug 2008 14:02:35 -0700 (PDT)
From: amruth <amruth_pv@...oo.com>
To: Oliver Neukum <oliver@...kum.org>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: USB Serial device disconnect causes IRQ disable details captured
Hi
Oliver
I got the same issue once again. I have captured detail log and lusb -t with interrupts.
cat /proc/interrupts:
CPU0 CPU1
0: 86 0 IO-APIC-edge timer
1: 2355 0 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: 13715 0 IO-APIC-edge ide0
15: 33574 0 IO-APIC-edge ide1
16: 598 0 IO-APIC-fasteoi uhci_hcd:usb2, uhci_hcd:usb5
18: 5 0 IO-APIC-fasteoi ata_piix, uhci_hcd:usb4
19: 52 0 IO-APIC-fasteoi uhci_hcd:usb3
23: 326 199675 IO-APIC-fasteoi ehci_hcd:usb1
NMI: 0 0 Non-maskable interrupts
LOC: 77657 131843 Local timer interrupts
RES: 14882 15086 Rescheduling interrupts
CAL: 136 490 function call interrupts
TLB: 10750 2825 TLB shootdowns
TRM: 0 0 Thermal event interrupts
SPU: 0 0 Spurious interrupts
ERR: 0
MIS: 0
lsusb -t:
Bus# 5
`-Dev# 1 Vendor 0x1d6b Product 0x0001
Bus# 4
`-Dev# 1 Vendor 0x1d6b Product 0x0001
Bus# 3
`-Dev# 1 Vendor 0x1d6b Product 0x0001
`-Dev# 2 Vendor 0x413c Product 0x3010
Bus# 2
`-Dev# 1 Vendor 0x1d6b Product 0x0001
Bus# 1
`-Dev# 1 Vendor 0x1d6b Product 0x0002
dmesg:
sb 1-5: Magtek 75/Excella USB card reader converter now attached to ttyUSB1
drivers/usb/core/inode.c: creating file '012'
usb 1-5: New USB device found, idVendor=0801, idProduct=2231
usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-5: Product: STX
usb 1-5: Manufacturer: MagTek
usb 1-5: SerialNumber: STX001
usb 2-2: uhci_result_common: failed with status 440000
/home/amr/linux-2.6.26/drivers/usb/serial/magtek.c: magtek_read_int_callback - p
ort 0
uhci_hcd 0000:00:1d.0: release dev 6 ep81-INT, period 8, phase 4, 61 us
hub 2-0:1.0: state 7 ports 2 chg 0000 evt 0004
uhci_hcd 0000:00:1d.0: port 2 portsc 008a,00
hub 2-0:1.0: port 2, status 0100, change 0003, 12 Mb/s
usb 2-2: USB disconnect, address 6
usb 2-2: unregistering device
usb 2-2: usb_disable_device nuking all URBs
usb 2-2: unregistering interface 2-2:1.0
/home/amr/linux-2.6.26/drivers/usb/serial/magtek.c: magtek_shutdown
magtek ttyUSB0: Magtek 75/Excella USB card reader converter now disconnected from ttyUSB0
magtek 2-2:1.0: device disconnected
usb 2-2:1.0: uevent
usb 2-2: uevent
hub 2-0:1.0: debounce: port 2: total 100ms stable 100ms status 0x100
usb usb2: suspend_rh (auto-stop)
ehci_hcd 0000:00:1d.7: devpath 5 ep2in 3strikes
/home/amr/linux-2.6.26/drivers/usb/serial/magtek.c: magtek_read_int_callback - port 1
usb 1-5: unlink qh0-00ff/dec56380 start 0 [1/0 us]
usb 1-5: link qh0-00ff/dec56380 start 0 [1/0 us]
usb 1-5: unlink qh0-00ff/dec56380 start 0 [1/0 us]
ehci_hcd 0000:00:1d.7: HC died; cleaning up
hub 1-0:1.0: state 0 ports 8 chg 0000 evt 0000
usb 1-4: USB disconnect, address 4
usb 1-4: unregistering device
usb 1-4: usb_disable_device nuking all URBs
usb 1-4: unregistering interface 1-4:1.0
usb 1-4:1.0: uevent
usb 1-4: uevent
usb 1-5: USB disconnect, address 12
usb 1-5: unregistering device
usb 1-4: usb_disable_device nuking all URBs
usb 1-4: unregistering interface 1-4:1.0
usb 1-4:1.0: uevent
usb 1-4: uevent
usb 1-5: USB disconnect, address 12
usb 1-5: unregistering device
usb 1-5: usb_disable_device nuking all URBs
usb 1-5: unregistering interface 1-5:1.0
/home/amr/linux-2.6.26/drivers/usb/serial/magtek.c: magtek_shutdown
magtek ttyUSB1: Magtek 75/Excella USB card reader converter now disconnected from ttyUSB1
magtek 1-5:1.0: device disconnected
usb 1-5:1.0: uevent
usb 1-5: uevent
irq 23: nobody cared (try booting with the "irqpoll" option)
Pid: 0, comm: swapper Not tainted 2.6.26kdbkgdb #1
[<c0140300>] __report_bad_irq+0x2e/0x6f
[<c0140514>] note_interrupt+0x1d3/0x207
[<c013fa8a>] ? handle_IRQ_event+0x21/0x48
[<c0140c3c>] handle_fasteoi_irq+0x8a/0xaa
[<c010577e>] do_IRQ+0x71/0x8b
[<c01024d4>] ? default_idle+0x0/0x42
[<c010417b>] common_interrupt+0x23/0x28
[<c01024d4>] ? default_idle+0x0/0x42
[<c01024d4>] ? default_idle+0x0/0x42
[<c0102405>] ? cpu_idle+0x4e/0xac
[<c043ed6e>] start_secondary+0x156/0x15b
=======================
handlers:
[<c0353bb7>] (usb_hcd_irq+0x0/0x58)
Disabling IRQ #23
Please let me know what might have caused this to fail.
Thanks
Amruth p.v
--- On Thu, 8/21/08, Oliver Neukum <oliver@...kum.org> wrote:
> From: Oliver Neukum <oliver@...kum.org>
> Subject: Re: USB Serial device disconnect causes IRQ disable
> To: amruth_pv@...oo.com
> Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
> Date: Thursday, August 21, 2008, 1:28 AM
> Am Donnerstag 21 August 2008 08:18:38 schrieb amruth:
> > > OK, do you have any other USB device on the same
> bus as
> > > your serial
> > > converter?
> > I have one USB storage flash key device nothing else.
> > The problem is coming from serial convertor and my
> driver did not handle interrupts.
>
> But is this key on the same bus? What does "lsusb
> -t" say?
> Your driver is USB, isn't it? It cannot fail to handle
> PCI interrupts.
> There may be something fishy here.
>
> Regards
> Oliver
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