On Fri, 17 Jul 2009, Dave Young wrote: > Hi, > > since 2.6.31-rc3, sometimes the touchpad of my laptop will not be > detected, usually after reboot it will be there. > > I have no such problem with 2.6.31-rc2 > > `dmesg|grep input` with touchpad detected: > > [ 2.447119] input: Lid Switch as > /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input0 > [ 2.458089] input: Power Button as > /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input1 > [ 2.459155] input: Sleep Button as > /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input2 > [ 3.093556] input: Video Bus as > /devices/LNXSYSTM:00/device:00/PNP0A03:00/device:33/input/input3 > [ 3.120647] input: Video Bus as > /devices/LNXSYSTM:00/device:00/PNP0A03:00/device:3b/input/input4 > [ 5.300364] input: AT Translated Set 2 keyboard as > /devices/platform/i8042/serio0/input/input5 > [ 5.669278] input: PS/2 Mouse as /devices/platform/i8042/serio1/input/input6 > [ 5.698278] input: AlpsPS/2 ALPS GlidePoint as > /devices/platform/i8042/serio1/input/input7 > > `dmesg|grep input` without touchpad detected: > > [ 2.454246] input: Lid Switch as > /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input0 > [ 2.478038] input: Power Button as > /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input1 > [ 2.487538] input: Sleep Button as > /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input2 > [ 3.118063] input: Video Bus as > /devices/LNXSYSTM:00/device:00/PNP0A03:00/device:33/input/input3 > [ 3.164064] input: Video Bus as > /devices/LNXSYSTM:00/device:00/PNP0A03:00/device:3b/input/input4 > [ 5.353006] input: AT Translated Set 2 keyboard as > /devices/platform/i8042/serio0/input/input5 Providing the dmesg output with 'i8042.debug' kernel parameter in place from the situation the TouchPad doesn't get detected might be helpful. -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
