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Bug 432374 - xhci_hcd 0000:01:00.0: WARN Event TRB for slot 1 ep 0 with no TDs queued - VIA USB 3.0 HUB problems
Summary: xhci_hcd 0000:01:00.0: WARN Event TRB for slot 1 ep 0 with no TDs queued - VI...
Status: RESOLVED NEEDINFO
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Core system (show other bugs)
Hardware: AMD64 Linux
: Normal normal
Assignee: Gentoo Kernel Bug Wranglers and Kernel Maintainers
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-08-22 23:07 UTC by Ch_E
Modified: 2012-09-09 18:10 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---

Attachments
Output of "dmesg" and "lsusb.py" (dmesg+lsusb_py.txt,58.31 KB, text/plain)
2012-08-22 23:07 UTC, Ch_E 		Details
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Description Ch_E 2012-08-22 23:07:11 UTC 
Created attachment 321978 [details]
Output of "dmesg" and "lsusb.py"

Dear Gentoo-Team,

I have a USB 3.0 4-port HUB (uses a VIA chip, see attached lsusb.py output) connected to my USB 3.0 2-port PCIe-card (chip unknown, produced by Transcend).

When the VIA HUB is plugged in, I found the following message several times in my syslog: "xhci_hcd 0000:01:00.0: WARN Event TRB for slot 1 ep 0 with no TDs queued?"

I did some searching using Google and I found some patches about that VIA xHCI problem, but the all didn't seem to match my kernel version (3.5.2-gentoo at the moment, see attached dmesg output for more information).

If I try to plug in some devices into the VIA HUB, the all stop working after a short period of time. I guess this is caused by the VIA HUB. If I don't use it, there are no problems anymore connecting devices to the USB 3.0 PCIe card.

So please can some help me, this bug is really annoying because I need this HUB since many (mirco)-USB cables are very, very short.

Thank a lot in advance.

Christopher.
Comment 1 Mike Pagano gentoo-dev 2012-08-23 13:45:38 UTC 
Can you post some links to the patches you found?