Hi, Am Donnerstag, den 14.06.2012, 15:48 -0500 schrieb Jonathan Nieder: > In 2008, Joachim Breitner wrote: > > > I just got a NULL-pointer-dereference: > > > > [ 672.170484] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 > > [ 672.170494] IP: [<ffffffffa023a03d>] synaptics_reconnect+0x20/0x9d [psmouse] > [...] > > Note that I’m affected by this bug: > > http://bugzilla.kernel.org/show_bug.cgi?id=8740 > > In 2010, upstream you wrote: > > > On > > $ uname -a > > Linux kirk 2.6.36-rc6-amd64 #1 SMP Mon Oct 4 09:56:45 UTC 2010 x86_64 GNU/Linux > > > > I still observer some issues: > > > > [ 52.011328] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 > > [ 52.011332] psmouse.c: issuing reconnect request > > Do you still have access to this system? Are you still having trouble > with its touchpad, and if so, what is the nature of the trouble these > days? nothing seems to have change since 2010: I don’t see a NULL-pointer-dereference, but when both touchpad and trackpoint are enabled, the pointer sometimes gets stuck for a short while while dmesg tells me: [ 55.444165] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 55.446370] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 55.448494] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 76.420802] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 76.423256] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 76.423258] psmouse serio1: issuing reconnect request [ 389.906979] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 389.909379] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 389.911666] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 389.943244] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 389.945504] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [ 389.945507] psmouse serio1: issuing reconnect request I can prevent the problem by disabling the touchpad in the BIOS. This is on 3.2.0-2. Greetings, Joachim -- Joachim "nomeata" Breitner Debian Developer nomeata@debian.org | ICQ# 74513189 | GPG-Keyid: 4743206C JID: nomeata@joachim-breitner.de | http://people.debian.org/~nomeata
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