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Date:      Thu, 4 Oct 2007 10:13:00 GMT
From:      Richard Puga <puga@mauibuilt.com>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   misc/116898: panic: sleeping thread while using USB hard drive
Message-ID:  <200710041013.l94AD0Zg032005@www.freebsd.org>
Resent-Message-ID: <200710041020.l94AK1Pi035692@freefall.freebsd.org>

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>Number:         116898
>Category:       misc
>Synopsis:       panic: sleeping thread while using USB hard drive
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Oct 04 10:20:01 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     Richard Puga
>Release:        FreeBSD i386 7-CURRENT
>Organization:
Maui Built Machines LLC
>Environment:
FreeBSD mauibuilt.com 7.0-CURRENT FreeBSD 7.0-CURRENT #15: Mon Sep 24 22:22:16 HST 2007     root@mauibuilt.com:/usr/src/sys/i386/compile/MAUIBUILT  i386
>Description:
Core dumps and relevent message files are avalible at;

http://puga.mauibuilt.com/panic/

I have been installing FreeBSD 6.2 on IBM XSeries servers some of which
I need to run external USB  drives.

While backing up to a USB hard drive at random times the computer locks
up or reboots with some, but not all of the systems.


The XP3100's work fine and dmesg shows a ntel 82801GB/R ICH7 USB
controller.
The XP3400 shows a GENERIC usb 2.0 chipset and a scan of the PCI bus
shows a slightly differant motherboard chipset (I cant remember what it
was).

I set up my Dell server at home with 2 differant USB/PCI cards each with
a differant chipset and got the same type of errors.

The errors on the screen which dont make it to the log are;

sleeping thread (tid 100015, pid 19) owns a non-sleepable-lock
panic: sleeping thread
cpuid=1

and

panic: Trying sleep, but thread marked as sleeping prohimited
cpuid=0
[thread pid 13 tid 100002]
stoped at kbd-enter + ox32: leave db7
>How-To-Repeat:
backup to a usb drive, the problem will occur anywhere from 5 minutes to 5 hours.
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:



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