Re: CDC ACM problem

2014-03-22 Thread Johan Hovold
On Thu, Mar 20, 2014 at 02:31:30PM +0100, Martin Åkerberg wrote: > Hi Johan, > > You seem to be last contributor to cdc-acm driver in linux. I don't know if > you are the correct person to ask, or if you have the time to answer, but > if not, could you point me to the correct forum? The linux-usb

Re: Regression cause by commit f1125f81 (from Deng-Cheng Zhu)

2014-03-22 Thread Alan Stern
Messages like this should always be sent to the linux-usb mailing list. On Sat, 22 Mar 2014, Dâniel Fraga wrote: > Hi! I posted this bug and it seems your commit caused the > regression: > > https://bugzilla.kernel.org/show_bug.cgi?id=72611 > > Can you take a look? > > Thank

Re: questions about give back urb in tasklet

2014-03-22 Thread Ming Lei
On Wed, Mar 19, 2014 at 11:05 PM, vichy wrote: > hi Ming: One approach I like to use is trace event. >>> Would you please let us how to to use trace event for calculate >>> max/average usb irq time? >> >> You can enable irq_handler_entry and irq_handler_exit event, then >> write a script easi

[REGRESSION with bisect] 3.13 and above kernels freeze mouse pointer when entering KDE 4.12

2014-03-22 Thread Dâniel Fraga
Ok. Greg Kroah-Hartman asked me to post this bug in this list and CC some developers. The bug report is here: https://bugzilla.kernel.org/show_bug.cgi?id=72611 I attached what Alan Stern asked (USB debug log and usbmon trace) in the bug report. I hope it helps. Thanks. -

Re: Failure to recognize device for 45 minutes and Device Disconnects

2014-03-22 Thread Alan Stern
On Sat, 22 Mar 2014, Mike Mitchell wrote: > On Wed, Mar 19, 2014 at 12:51 PM, Alan Stern wrote: > > > > This trace doesn't show a 45-minute delay. It also doesn't show a > > > disconnect. Everything appears to be working normally. > > > > > The 3.5 kernel is getting old. Can you try something

Re: [REGRESSION with bisect] 3.13 and above kernels freeze mouse pointer when entering KDE 4.12

2014-03-22 Thread Alan Stern
On Sat, 22 Mar 2014, Dâniel Fraga wrote: > Ok. Greg Kroah-Hartman asked me to post this bug in this list > and CC some developers. The bug report is here: > > https://bugzilla.kernel.org/show_bug.cgi?id=72611 > > I attached what Alan Stern asked (USB debug log and usbmon > trace) in

Re: [REGRESSION with bisect] 3.13 and above kernels freeze mouse pointer when entering KDE 4.12

2014-03-22 Thread Dâniel Fraga
On Sat, 22 Mar 2014 17:18:07 -0400 (EDT) Alan Stern wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=72611 > > > > I attached what Alan Stern asked (USB debug log and usbmon > > trace) in the bug report. I hope it helps. > > Which device is the troublesome mouse? You have so many USB