Date: Sun, 20 Apr 2014 16:40:01 GMT From: Hans Petter Selasky <hps@selasky.org> To: freebsd-usb@FreeBSD.org Subject: Re: usb/188829: atp fails on Macbook Pro 4.1 Message-ID: <201404201640.s3KGe16g001284@freefall.freebsd.org>
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The following reply was made to PR usb/188829; it has been noted by GNATS. From: Hans Petter Selasky <hps@selasky.org> To: Roberto de Iriarte <rdeiriar@spock.cl>, freebsd-gnats-submit@FreeBSD.org Cc: Subject: Re: usb/188829: atp fails on Macbook Pro 4.1 Date: Sun, 20 Apr 2014 18:35:27 +0200 On 04/20/14 18:01, Roberto de Iriarte wrote: > >> Number: 188829 >> Category: usb >> Synopsis: atp fails on Macbook Pro 4.1 >> Confidential: no >> Severity: non-critical >> Priority: low >> Responsible: freebsd-usb >> State: open >> Quarter: >> Keywords: >> Date-Required: >> Class: sw-bug >> Submitter-Id: current-users >> Arrival-Date: Sun Apr 20 16:10:00 UTC 2014 >> Closed-Date: >> Last-Modified: >> Originator: Roberto de Iriarte >> Release: 10.0-STABLE >> Organization: > De Iriarte >> Environment: > FreeBSD mbp 10.0-STABLE FreeBSD 10.0-STABLE #13 r264692M: Sun Apr 20 12:14:28 CLST 2014 root@mbp:/usr/obj/usr/src/sys/GENERIC amd64 >> Description: > On my Macbook Pro 4.1, after upgrading from 10.0-RELEASE to 10.0-STABLE, the atp touchpad driver becomes unresponsive after a few minutes under high I/O load, until it stalls completely. The device never unstalls, regardless of system load. > > Closing and opening /dev/atp0 (i.e. restarting moused) restores responsiveness for a couple of minutes, then it fails in the same manner. > > Reverting back /usr/src/sys/dev/usb/input/atp.c from rev. 263063 to rev. 233774 (as shipped with FreeBSD 10.0-RELEASE) solves the problem completely on my machine. > > Unfortunately, i am not versed in the workings of the atp driver in order to debug the new driver any further. >> How-To-Repeat: > Use the trackpad under high I/O load >> Fix: > Hack: Revert back to /usr/src/sys/dev/usb/input/atp.c as shipped with 10.0-RELEASE (r. 233774) > >> Release-Note: >> Audit-Trail: >> Unformatted: > _______________________________________________ Hi, Can you send output from: usbconfig dump_device_desc which is relevant for your device. What happens if you add to /boot/loader.conf wsp_load=YES And re-boot? --HPS
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