Hi Conrad, Conrad Hughes wrote:
> I'm using a keyboard-video-mouse (KVM) switch to switch between a number > of computers; before squeeze, this worked brilliantly. Since upgrading > to squeeze, a few minutes after I switch to another computer, my squeeze > install kills X completely. All I'm seeing is the following in > /var/log/syslog: [...] > [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 130 > [drm:edid_is_valid] *ERROR* Raw EDID: > <3>00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff > <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [...] > A similar problem has turned up in Microsoft Windows 7, where continuous > checking of EDID results in the OS switching to default monitor > resolution after the user switches away (or even turns off their monitor > in some cases). Microsoft apparently blame this on obsolete KVM > hardware and AFAICS have not offered a facility to disable the > continuous checking; I hope there might be a means of disabling the > check in Debian though Thanks for reporting it, and sorry for the slow response. I wonder if the change v2.6.35-rc1~18^2~2 (drm/edid: Allow non-fatal checksum errors in CEA blocks, 2010-05-25[1]) would help here. Could you test v2.6.35 or later (e.g., by grabbing a kernel from sid or experimental with initramfs-tools + linux-base from squeeze-backports)? Jonathan [1] https://bugs.freedesktop.org/28229 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
