Messages in this thread | | | Date | Thu, 21 Aug 2008 14:52:41 -0700 (PDT) | From | amruth <> | Subject | USB Serial device disconnect causes IRQ disable details captured |
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Thanks Alan. I will test in another computers with the new patch and let you know if I again find the issue.
Thanks Amruth p.v
--- On Thu, 8/21/08, Alan Stern <stern@rowland.harvard.edu> wrote:
> From: Alan Stern <stern@rowland.harvard.edu> > Subject: Re: USB Serial device disconnect causes IRQ disable details captured > To: "amruth" <amruth_pv@yahoo.com> > Cc: "Oliver Neukum" <oliver@neukum.org>, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org > Date: Thursday, August 21, 2008, 4:20 PM > On Thu, 21 Aug 2008, amruth wrote: > > > Hi > > Oliver > > I got the same issue once again. I have captured > detail log and lusb -t with interrupts. > > cat /proc/interrupts: > > > 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 > > You should try using the patch in this message: > > http://marc.info/?l=linux-usb&m=121848784300960&w=2 > > If that doesn't help, can you test this on another > computer to see if > the same thing happens? > > For future testing, it would help if you enable > CONFIG_PRINTK_TIME. > > Alan Stern
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