Public bug reported:
Hello everyone,
I've got a really strange problem. Each time my WiFi card gets a new
TKIP key, the external USB devices (and the kernel usb module) crashes.
Example:
I'm copying data from my external hard drive on my internal drive. Then the
WiFi card gets a new TKIP key. After that the USB controller (of my external
drive) is never be able to register (also no /dev/sd*) again until I reboot.
I tested it with different hard drives - which were all okay, different
USB controllers (external controllers, IDE->USB) and different
manufacturers of hard drives. It happened each time while my WiFi card
got a new TKIP key. When my WiFi card was turned off (with the button on
my Compaq615 keyboard) - everything worked fine, also copying huge mass
of data (over 50GBytes to keep the data transfer going on a while).
Pretty strange, because I think it couldn't depend on a hardware problem
- the WiFi card uses PCI-X and the USB controller should run through the
southbridge.
Chipsets:
00:12.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
00:12.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller
00:12.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
00:13.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
00:13.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller
00:13.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
...and...
06:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)
Thanks a lot,
Christoph
** Affects: bcmwl (Ubuntu)
Importance: Undecided
Status: New
** Tags: bcmwl key tkip usb
--
New TKIP key crashes USB Module!!! (on PCI-X WiFi card!)
https://bugs.launchpad.net/bugs/502713
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