Bug 468699 - pvrusb2 driver lockup: fixed upstream
pvrusb2 driver lockup: fixed upstream
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Kernel Maintainer List
Fedora Extras Quality Assurance
Depends On:
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Reported: 2008-10-27 10:45 EDT by Scott Doty
Modified: 2008-10-31 03:23 EDT (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2008-10-31 03:23:56 EDT
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Description Scott Doty 2008-10-27 10:45:55 EDT
User-Agent:       Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/2008100707 Fedora/3.0.2-1.fc10 Firefox/3.0.2

The pvrusb2 driver in kernel- has a lockup issue which causes module operations to "stick", leaving (say) "modprobe -r" in "D" state, according to ps.

There is a fix upstream, which is in Linux

Meanwhile, the workaround is to load the module with the "initusbreset=0" option.  I did this by creating a new file, /etc/modprobe.d/pvrusb2, and adding a single line: "options pvrusb2 initusbreset=0" (no quotes).

Reproducible: Always

Steps to Reproduce:
1.Boot rawhide with Hauppauge WinTV PVR USB2 attached.
1.Hotplug Hauppauge WinTV PVR USB2.

Actual Results:  
pvrusb2 module fails to work -- attempt to "modprobe -r pvrusb2" leaves modprobe process in " D " state, udev gets frozen, module subsystem in kernel gets frozen, dogs living with cats, panic in the streets.

Expected Results:  
Expected operational Hauppauge WinTV PVR USB2

the pvrusb2 mailing list has a recent thread about this, culminating in a fix in kernel
Comment 1 Chuck Ebbert 2008-10-31 03:23:56 EDT has been in rawhide since Oct 24 when went in.

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