Date: Wed, 16 Nov 2011 20:48:15 GMT From: Sebastian Chmielewski <chmielsster@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/162620: SATA device lost when changing brightness on Lenovo L420 Message-ID: <201111162048.pAGKmFq2086007@red.freebsd.org> Resent-Message-ID: <201111162050.pAGKoBT5059512@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
>Number: 162620 >Category: misc >Synopsis: SATA device lost when changing brightness on Lenovo L420 >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Nov 16 20:50:10 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Sebastian Chmielewski >Release: 9.0-PRERELEASE >Organization: >Environment: FreeBSD xxxx 9.0-PRERELEASE FreeBSD 9.0-PRERELEASE #0: Mon Nov 14 22:51:15 CET 2011 root@xxx:/usr/obj/.../GENERIC amd64 >Description: command sudo sysctl dev.acpi_ibm.0.lcd_brightness=3 or a sequence of two changes: sudo sysctl dev.acpi_ibm.0.lcd_brightness=6 sudo sysctl dev.acpi_ibm.0.lcd_brightness=3 cause device disconnect: ahcich1: DISCONNECT requested ahcich1: AHCI reset... ahcich1: SATA connect timeout time=10000us status=00000000 ahcich1: AHCI reset: device not found (ada1:ahcich1:0:0:0): lost device (pass1:ahcich1:0:0:0): lost device (pass1:ahcich1:0:0:0): removing device entry This problem didn't occur on the same machine with 9.0-CURRENT (before -BETA1 I think). >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201111162048.pAGKmFq2086007>