[Bug 731720] New: wusb module hwa-hc crashes kernel
https://bugzilla.novell.com/show_bug.cgi?id=731720 https://bugzilla.novell.com/show_bug.cgi?id=731720#c0 Summary: wusb module hwa-hc crashes kernel Classification: openSUSE Product: openSUSE 12.1 Version: Final Platform: x86-64 OS/Version: SuSE Other Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: diego.ercolani@gmail.com QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1 Kernel version: kernel-desktop-3.1.0-1.2.1.x86_64 I've brought this adapter: http://www.wisair.com/products/wireless-usb-solutions/wireless-usb-av-adapte... that is a wusb device with a displaylink usb adapter. When I plug in the adapter kernel try to load hwa-hc module and a buck of others but in kernel messages I have reported a crash of the module. Reproducible: Always Steps to Reproduce: 1. 2. 3. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Greg Kroah-Hartman
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Diego Ercolani
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--- Comment #3 from Diego Ercolani
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--- Comment #4 from Diego Ercolani
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Jeff Mahoney
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Jeff Mahoney
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Jeff Mahoney
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Diego Ercolani
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Jeff Mahoney
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Jeff Mahoney
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--- Comment #7 from Oliver Neukum
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--- Comment #9 from Diego Ercolani
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--- Comment #10 from Oliver Neukum
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Diego Ercolani
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--- Comment #12 from Diego Ercolani
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--- Comment #13 from Oliver Neukum
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Oliver Neukum
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Diego Ercolani
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--- Comment #16 from Diego Ercolani
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--- Comment #17 from Oliver Neukum
Another 2¢: When I unplug the dongle the modules don't unload from kernel:
This is as intended. Kernel modules are never unloaded. This is racy and would require a reference counting scheme. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #18 from Oliver Neukum
Created an attachment (id=486546) --> (http://bugzilla.novell.com/attachment.cgi?id=486546) [details] This is the /var/log/messages with patched (patch #7 + #13) opensuse 3.1.9 kernel
This Is what I get with patch comment#7 + patch comment#13, no kernel oops ionserting and removing the dongle.....
Very good. I'll push the second patch upstream. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Oliver Neukum
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Swamp Workflow Management
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--- Comment #21 from Swamp Workflow Management
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Swamp Workflow Management
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--- Comment #22 from Swamp Workflow Management
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Swamp Workflow Management
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Swamp Workflow Management
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