Bug 366681

Could you capture a usbmon trace, please? There's a sort of a howto in:
 /usr/share/doc/kernel-doc-2.6.23/Documentation/usb/usbmon.txt

I don't have usbmon kernel module. Is there a separate package for it or I have
to rebuild a kernel with it enabled?

Created attachment 257421 [details]
USB log

Hello,

I'm reviewing this bug as part of the kernel bug triage project, an attempt to
isolate current bugs in the Fedora kernel.

http://fedoraproject.org/wiki/KernelBugTriage

I am CC'ing myself to this bug and will try and assist you in resolving it if I
can. Thanks for adding the USB log however in future please just attach as type
text/plain as developers will be able to review the logs faster.

There hasn't been much activity on this bug for a while. Could you tell me if
you are still having problems with the latest kernel?

If the problem no longer exists then please close this bug or I'll do so in a
few days if there is no additional information lodged.

Created attachment 293843 [details]
unbzipped usb log

The problem still exists with latest F7 and F8 kernels (2.6.24.14-64.fc7 and
2.6.23.14-107.fc8). It is more severe (takes more time to return to normal) with
F7 kernel.

Actually I noticed it too... if it's the same root cause, but the
symptom is the same. Connecting my iPod causes a similar slow-down.
The usbmon log looks about the same (e.g. nothing out of ordinary).

I think that an application (not necesserily Nautilus) pre-reads
contents of certain removables now, dunno to what end... But I cannot
figure out what kernel did to trigger it. Certainly Nautilus wasn't
updated in a while in F7? That is, unless they pulled the newest
one in response to a security fix.

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