所以找到這一篇
可以使用gnome-system-log &來看到
皇天不負苦心人
我終於在dpkg.log找到以下資訊
2009-12-03 17:34:10 startup archives unpack
2009-12-03 17:34:11 install alsa-base 1.0.20+dfsg-1ubuntu5 1.0.20+dfsg-1ubuntu5
2009-12-03 17:34:11 status half-installed alsa-base 1.0.20+dfsg-1ubuntu5
2009-12-03 17:34:11 status unpacked alsa-base 1.0.20+dfsg-1ubuntu5
2009-12-03 17:34:11 status unpacked alsa-base 1.0.20+dfsg-1ubuntu5
2009-12-03 17:34:12 install alsa-utils 1.0.20-2ubuntu6 1.0.20-2ubuntu6
2009-12-03 17:34:12 status half-installed alsa-utils 1.0.20-2ubuntu6
2009-12-03 17:34:12 status triggers-pending man-db 2.5.6-2
2009-12-03 17:34:12 status half-installed alsa-utils 1.0.20-2ubuntu6
2009-12-03 17:34:12 status triggers-pending sreadahead 1.0-5
2009-12-03 17:34:12 status half-installed alsa-utils 1.0.20-2ubuntu6
2009-12-03 17:34:12 status unpacked alsa-utils 1.0.20-2ubuntu6
2009-12-03 17:34:12 status unpacked alsa-utils 1.0.20-2ubuntu6
2009-12-03 17:34:12 trigproc man-db 2.5.6-2 2.5.6-2
2009-12-03 17:34:12 status half-configured man-db 2.5.6-2
2009-12-03 17:34:14 status installed man-db 2.5.6-2
2009-12-03 17:34:14 trigproc sreadahead 1.0-5 1.0-5
2009-12-03 17:34:14 status half-configured sreadahead 1.0-5
2009-12-03 17:34:14 status installed sreadahead 1.0-5
2009-12-03 17:35:08 startup packages configure
2009-12-03 17:35:08 configure alsa-base 1.0.20+dfsg-1ubuntu5 1.0.20+dfsg-1ubuntu5
2009-12-03 17:35:08 status unpacked alsa-base 1.0.20+dfsg-1ubuntu5
2009-12-03 17:35:09 status unpacked alsa-base 1.0.20+dfsg-1ubuntu5
2009-12-03 17:35:09 status unpacked alsa-base 1.0.20+dfsg-1ubuntu5
2009-12-03 17:35:09 status unpacked alsa-base 1.0.20+dfsg-1ubuntu5
2009-12-03 17:35:09 status half-configured alsa-base 1.0.20+dfsg-1ubuntu5
2009-12-03 17:35:10 status installed alsa-base 1.0.20+dfsg-1ubuntu5
2009-12-03 17:35:10 configure alsa-utils 1.0.20-2ubuntu6 1.0.20-2ubuntu6
2009-12-03 17:35:10 status unpacked alsa-utils 1.0.20-2ubuntu6
2009-12-03 17:35:10 status unpacked alsa-utils 1.0.20-2ubuntu6
2009-12-03 17:35:10 status half-configured alsa-utils 1.0.20-2ubuntu6
2009-12-03 17:35:10 status installed alsa-utils 1.0.20-2ubuntu6
就是安裝過alsa套件