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Bug#497925: marked as done (linux-image-2.6.26-1-686: WARNING: at drivers/usb/serial/usb-serial.c:320 serial_write_room+0x41/0x4d [usbserial])

Your message dated Mon, 9 Mar 2009 15:09:40 +0100
with message-id <20090309140940.GP13313@stro.at>
and subject line Re: linux-image-2.6.26-1-686: WARNING: at drivers/usb/serial/usb-serial.c:320 serial_write_room+0x41/0x4d [usbserial]
has caused the Debian Bug report #497925,
regarding linux-image-2.6.26-1-686: WARNING: at drivers/usb/serial/usb-serial.c:320 serial_write_room+0x41/0x4d [usbserial]
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
497925: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=497925
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.26-1-686
Version: 2.6.26-4
Severity: normal

On my thinkpad x61s laptop, I get several times: 

WARNING: at drivers/usb/serial/usb-serial.c:320 serial_write_room+0x41/0x4d [usbserial]()

in dmesg after powercycling the Sierra Wireless MC8775 UMTS-card two
times. Scenario to reproduce:

[card is active after boot]

echo disable > /proc/acpi/ibm/wan

[ttyUSB0-2 disconnect, at second 112 in attached dmseg]

echo enable > /proc/acpi/ibm/wan

[ttyUSB0-2 connect, at second 182 in attached dmesg]
[normal ppp operation of card]

echo disable > /proc/acpi/ibm/wan

[ttyUSB0-2 disconnect, at second 217 in attached dmseg]

echo enable > /proc/acpi/ibm/wan

[ttyUSB0-2 connect, at second 226 in attached dmesg]

After this dmesg shows 16 warnings at usb-serial.c. Dispite the 
warnings, the UMTS-card seems to operate normal.

-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

-- debconf information excluded

--- End Message ---
--- Begin Message --- 
Version: 2.6.28-1

fixed upstream in 4bd43f2c31848d751f63e8753cd2788d48fb5f30
this fixes are quite intrusive and never went to a stable series.
they will reach lenny with lenny+half kernel.

thanks for report!

-- 
maks

--- End Message ---
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