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psmouse serio1：isa0060/serio1/input0 處的 DualPoint TouchPad 失去同步，拋出 2 個位元組

tag-icon • tag-icon linux debian touchpad dell-vostro
psmouse serio1：isa0060/serio1/input0 處的 DualPoint TouchPad 失去同步，拋出 2 個位元組

最近，我的 DELL Vostro 3750 筆記型電腦遇到了問題，觸控板行為不穩定。

查看dmesg輸出我可以看到：

[175874.428170] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost synchronization, throwing 5 bytes away.
[175874.938670] psmouse serio1: resync failed, issuing reconnect request
[175879.431915] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost synchronization, throwing 1 bytes away.
[175879.453182] psmouse serio1: resync failed, issuing reconnect request
[175889.437902] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost synchronization, throwing 2 bytes away.
[175889.957166] psmouse serio1: resync failed, issuing reconnect request
[176624.939847] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost synchronization, throwing 4 bytes away.
[176625.454747] psmouse serio1: resync failed, issuing reconnect request
[176805.063135] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost synchronization, throwing 2 bytes away.
[176805.573049] psmouse serio1: resync failed, issuing reconnect request

在網上查看，似乎發生了最近的Linux內核，但是我仍然使用相同的核心：

$ uname -a
Linux maester 3.14-0.bpo.1-amd64 #1 SMP Debian 3.14.12-1~bpo70+1 (2014-07-13) x86_64 GNU/Linux

如果我打開 debugfs，我會看到以下內容：

# cat /sys/module/psmouse/parameters/proto
auto
# mount -t debugfs none /sys/kernel/debug/
# echo "file drivers/input/mouse/* +p" >  /sys/kernel/debug/dynamic_debug/control

導致：

[ 3484.184294] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost synchronization, throwing 1 bytes away.
[ 3484.206545] psmouse serio1: resync failed, issuing reconnect request
[ 3484.657119] psmouse serio1: alps: E6 report: 00 00 64
[ 3484.679989] psmouse serio1: alps: E7 report: 73 02 64
[ 3484.703271] psmouse serio1: alps: EC report: 88 07 9d
[ 3484.724681] psmouse serio1: alps: EC report: 88 07 9d
[ 3484.795169] psmouse serio1: alps: EC report: 88 07 9d
[ 3489.186775] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost synchronization, throwing 1 bytes away.
[ 3489.209246] psmouse serio1: resync failed, issuing reconnect request
[ 3489.661888] psmouse serio1: alps: E6 report: 00 00 64
[ 3489.685972] psmouse serio1: alps: E7 report: 73 02 64
[ 3489.711895] psmouse serio1: alps: EC report: 88 07 9d
[ 3489.732625] psmouse serio1: alps: EC report: 88 07 9d
[ 3489.781987] psmouse serio1: alps: EC report: 88 07 9d
[ 3859.439899] psmouse serio1: DualPoint TouchPad at isa0060/serio1/input0 lost synchronization, throwing 2 bytes away.
[ 3859.461770] psmouse serio1: resync failed, issuing reconnect request
[ 3859.910943] psmouse serio1: alps: E6 report: 00 00 64
[ 3859.935221] psmouse serio1: alps: E7 report: 73 02 64
[ 3859.960135] psmouse serio1: alps: EC report: 88 07 9d
[ 3859.982875] psmouse serio1: alps: EC report: 88 07 9d
[ 3860.032681] psmouse serio1: alps: EC report: 88 07 9d

答案1

我已將系統更新為 debian/jessie 系統，但一切都無法正常運作。

在使用i8k模組之後，我意識到它i8kmon正在按預定的時間間隔運行。我決定停下來並且手動刪除該i8k模組。由於某些原因，黑名單還不夠：

$ cat /etc/modprobe.d/i8k-blacklist.conf
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=732242
blacklist i8k

觸控板現在表現良好，鍵盤不再有問題。甚至風扇也以正確的速度轉動（它曾經無緣無故地啟動/停止）。

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