System freeze after WARNING: at /build/buildd/linux-2.6.31/drivers/usb/serial/usb-serial.c:374 serial_write+0xb9/0xc0 [usbserial]()

[Matt Zimmerman]

I have a USB 3G modem:

Bus 006 Device 002: ID 1199:6813 Sierra Wireless, Inc.

The first time I tried to use it under 2.6.31-4.23, I got a flood of these WARNINGs followed by a hard freeze (no mouse cursor movement, had to hard power cycle the system).

I'll attach a kern.log showing the full sequence from resume through the point where it hung.

ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: amd64
Date: Sun Aug 2 08:58:16 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=bc555036-0252-42e8-804b-b34dc22bbcd4
MachineType: LENOVO 6465CTO
Package: linux-image-2.6.31-4-generic 2.6.31-4.23
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-4-generic root=UUID=305dde78-d20a-4248-aaf4-09447b7c5791 ro quiet splash
ProcVersionSignature: Ubuntu 2.6.31-4.23-generic
RelatedPackageVersions: linux-backports-modules-2.6.31-4-generic N/A
SourcePackage: linux
Tags: kernel-oops
Title: WARNING: at /build/buildd/linux-2.6.31/drivers/usb/serial/usb-serial.c:374 serial_write+0xb9/0xc0 [usbserial]()
Uname: Linux 2.6.31-4-generic x86_64
dmi.bios.date: 01/21/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETB0WW (2.10 )
dmi.board.name: 6465CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7LETB0WW(2.10):bd01/21/2008:svnLENOVO:pn6465CTO:pvrThinkPadT61:rvnLENOVO:rn6465CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 6465CTO
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO

[Jeremy Foshee (jeremyfoshee)]

Hi Matt,

This bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? Can you try with the latest development release of Ubuntu? ISO CD images are available from http://cdimage.ubuntu.com/releases/ .

If it remains an issue, could you run the following command from a Terminal (Applications->Accessories->Terminal). It will automatically gather and attach updated debug information to this report.

apport-collect -p linux 407939

Also, if you could test the latest upstream kernel available that would be great. It will allow additional upstream developers to examine the issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once you've tested the upstream kernel, please remove the 'needs-upstream-testing' tag. This can be done by clicking on the yellow pencil icon next to the tag located at the bottom of the bug description and deleting the 'needs-upstream-testing' text. Please let us know your results.

Thanks in advance.

[This is an automated message. Apologies if it has reached you inappropriately; please just reply to this message indicating so.]

[Jeremy Foshee (jeremyfoshee)]

This bug report was marked as Incomplete and has not had any updated comments for quite some time. As a result this bug is being closed. Please reopen if this is still an issue in the current Ubuntu release http://www.ubuntu.com/getubuntu/download . Also, please be sure to provide any requested information that may have been missing. To reopen the bug, click on the current status under the Status column and change the status back to "New". Thanks.

[This is an automated message. Apologies if it has reached you inappropriately; please just reply to this message indicating so.]