Re: usb/113629: [ukbd] Dropped USB keyboard events on Dell Latitude D620 laptop

The following reply was made to PR usb/113629; it has been noted by GNATS. From: Glen Barber glen.j.bar...@gmail.com To: bug-follo...@freebsd.org, ch...@cjones.org Cc: Subject: Re: usb/113629: [ukbd] Dropped USB keyboard events on Dell Latitude D620 laptop Date: Sun, 9 Aug 2009

Performance issues

Hans, Just trying to do some stuff I used to be able to do with the USB stack on a recent (July 23rd) kernel. I've had some disappointing results. I have a 750GB disk that's attached via USB. Nothing fancy or special about it. I can stream up to about 18MB/s to it when things are going well.

Re: Performance issues

On Sunday 09 August 2009 18:23:41 M. Warner Losh wrote: Any ideas how to track this down? Hi, USB is only draining from usbd_transfer_drain() in /sys/dev/usb/usb_transfer.c . You could add a print including the backtrace and see if that function gets called when it freezes. Else I would try

Re: Performance issues

In message: 200908091840.55000.hsela...@c2i.net Hans Petter Selasky hsela...@c2i.net writes: : On Sunday 09 August 2009 18:23:41 M. Warner Losh wrote: : Any ideas how to track this down? : : Hi, : : USB is only draining from usbd_transfer_drain() in : /sys/dev/usb/usb_transfer.c .

Re: Performance issues

2009/8/9 Attilio Rao atti...@freebsd.org: 2009/8/9 M. Warner Losh i...@bsdimp.com: In message: 200908091840.55000.hsela...@c2i.net Hans Petter Selasky hsela...@c2i.net writes: : On Sunday 09 August 2009 18:23:41 M. Warner Losh wrote: : Any ideas how to track this down? : : Hi,

Re: Performance issues

2009/8/9 M. Warner Losh i...@bsdimp.com: In message: 200908091840.55000.hsela...@c2i.net Hans Petter Selasky hsela...@c2i.net writes: : On Sunday 09 August 2009 18:23:41 M. Warner Losh wrote: : Any ideas how to track this down? : : Hi, : : USB is only draining from

Re: Performance issues

In message: 3bbf2fe10908091038m3efb3612l2923d8b3238e1...@mail.gmail.com Attilio Rao atti...@freebsd.org writes: : 2009/8/9 Attilio Rao atti...@freebsd.org: : 2009/8/9 M. Warner Losh i...@bsdimp.com: : In message: 200908091840.55000.hsela...@c2i.net : Hans Petter Selasky

Re: Performance issues

2009/8/9 M. Warner Losh i...@bsdimp.com: In message: 3bbf2fe10908091038m3efb3612l2923d8b3238e1...@mail.gmail.com Attilio Rao atti...@freebsd.org writes: : 2009/8/9 Attilio Rao atti...@freebsd.org: : 2009/8/9 M. Warner Losh i...@bsdimp.com: : In message: