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Message #79037
[Bug 1330530] Re: [Dell Vostro 430] Regression: Kernel 3.2.0-64 problems with USB3 controller
** Tags added: cherry-pick
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1330530
Title:
[Dell Vostro 430] Regression: Kernel 3.2.0-64 problems with USB3
controller
Status in “linux” package in Ubuntu:
Triaged
Bug description:
With a Dell Vostro 430, the HighPoint RocketU 1144C USB 3.0 controller, Areca ARC-5040 USB 3.0 RAID enclosure connected to it, and the following conditions are met:
1. System booted kernel 3.2.0-64,
2. HighPoint RocketU 1144C controller was installed,
3. Areca ARC-5040 was connected to that controller.
An error loop during boot contains the following messages:
[ 34.084469] usb 8-1: reset SuperSpeed USB device number 2 using xhci_hcd
[ 34.101825] xhci_hcd 0000:05:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88042102e000
[ 34.101918] xhci_hcd 0000:05:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88042102e040
This continues for about 18 minutes, after which the filesystem on the Areca drive is mounted, and boot process continues successfully, as if nothing had happened. Afterwards the affected drive works seemingly fine, although I experienced some system instability, causing a total system freeze. At this point I am not sure if this instability is related to the problem at hand.
I've attached a file generated by apport-cli -f -p linux --save
filename.apport .
The problem did not appear if I booted an older kernel (e.g.
3.2.0-63), or if Areca enclosure was not attached, or if it was
attached using another interface (USB2 or eSATA). The problem was also
absent if I replaced the Areca enclosure with another USB3 device (a
flash drive). The test machine's motherboard did not have a built-in
USB3 controller, but I performed an additional test on yet another
computer, equipped with a NEC USB3 controller. That test was done with
kernel 3.2.0-64 and the Areca enclosure, and did not replicate the
problem. Thus I assume that it is the combination of the RocketU
controller and a specific USB3 device that triggers kernel regression.
Similar effects happen if Areca enclosure is hot-plugged to the
working system. In such a case OS boots fine (as the enclosure is
absent during boot). After plugging the Areca, the drive is
unavailable for 18 minutes, during which time numerous errors as above
are logged. After 18 minutes elapse, drive is mounted and behaves
normally.
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References