The USB shutdown bug still exists as of version 3.11.0-8.15. Since I
have gained a greater awareness of this issue, I am beginning to suspect
that it is similar to the one described in #1151622.
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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If you mean the URL to an archive of messages that were sent between me
and the xHCI maintainer (Sarah Sharp), here is the URL:
http://comments.gmane.org/gmane.linux.usb.general/89930. So far, what
is seen at Gmane does not differ from what is seen in comment #24, as I
have not received any
** Attachment added:
wireshark-log-during-failure-to-flush-tx-fifo-queues.pcapng
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1305406/+attachment/4078765/+files/wireshark-log-during-failure-to-flush-tx-fifo-queues.pcapng
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Public bug reported:
I have a Lenovo ThinkPad X201 Tablet with an Intel Centrino Ultimate-N
6300 AGN wireless card. Ever since I have upgraded to Ubuntu 13.10 from
Ubuntu 12.10, I keep experiencing this annoying issue on wireless
networks with multiple APs: a TX queue gets stuck, and the
Six months have passed since I have tested the 3.12-rc3 mainline kernel,
and I confirm that the USB shutdown issue still exists after testing the
3.14 mainline kernel. (FYI, the system was upgraded from Raring to
Saucy on December 21, 2013.)
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I have just finished testing the latest upstream kernel, and I confirm
that the bug still exists (i.e. I am still occasionally seeing 'fail to
flush all tx fifo queues Q 0' messages).
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
I updated the BIOS to version 1004, and this did not change anything.
** Attachment added: Output of sudo dmidecode -s bios-version sudo
dmidecode -s bios-release-date
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1200204/+attachment/4082055/+files/dmidecode.txt
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I meant to say BIOS version 1005, not 1004.
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https://bugs.launchpad.net/bugs/1200204
Title:
2040:7200 SuperSpeed USB failure (and kernel oops) after launching
tvtime:
I have tested the latest upstream kernel even more, and I have noticed
something that may or may not help. I have found a degradation effect
in which the total length of time the connection is hung within a given
time frame increases the longer the system is running. To illustrate
this effect,
It turns out that we now have a workaround for this bug. It appears as
if bug 1313279 is a duplicate of this bug, because I installed the
mainline 3.13.4 kernel, and I was able to get tvtime to run without
shutting down the USB host.
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To add to my previous comment, the workaround was around for a while
now, but I did not know until now.
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https://bugs.launchpad.net/bugs/1200204
Title:
2040:7200
I just tried out the latest version of the Trusty kernel
(3.13.0-88-generic #135-Ubuntu), and I confirm that the bug seems to be
fixed (i.e., USB is fully working, and tvtime runs without shutting down
the USB host).
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