Package: laptop-mode-tools Version: 1.60-1 Severity: normal --- Please enter the report below this line. --- By default, /etc/laptop-mode/conf.d/usb-autosuspend.conf enables laptop-mode- tools to turn the power off for many (all?) usb devices after three seconds of non-use when AC is unplugged. This behavior is unwelcome and causes problems the first time it happens.
I do not have a single USB device that I want powered down while actively using my computer, even in power saving mode. My wired USB mouse, my bluetooth radio that I use to connect to my car's computer, various cameras, my laptop cooler, and my various usb mass storage devices all become annoying to use when the USB power is shut off after only a few seconds. If I am not using them, I typically will unplug them from the USB port just because I cannot have everything plugged simultaneously into my laptop. The fix for this bug is easy. It involves either disabling usb-autosuspend (set CONTROL_USB_AUTOSUSPEND="0" in /etc/laptop-mode/conf.d/usb-autosuspend.conf). Alternatively, you can set AUTOSUSPEND_USE_WHITELIST=1 and then whitelist the usb devices that you can be autosuspended with AUTOSUSPEND_USBID_WHITELIST="" and AUTOSUSPEND_USBTYPE_WHITELIST="" in the same file as above. You can use lsusb when the device is plugged in to determine its type and/or USB ID. I consider either of these solutions preferrable to blacklisting because most USB devices are designed to be used while they are plugged in and many of them have their own power-down routines and stop drawing power when they're not being used. --- System information. --- Architecture: amd64 Kernel: Linux 3.2.0-2-amd64 Debian Release: wheezy/sid 500 testing www.debian-multimedia.org 500 testing security.debian.org 500 testing ftp.us.debian.org --- Package information. --- Depends (Version) | Installed ==========================-+-============ lsb-base (>= 3.0-10) | 4.1+Debian0 util-linux (>= 2.13) | 2.20.1-4 psmisc | 22.16-1 Recommends (Version) | Installed =============================-+-=========== hdparm | 9.39-1 sdparm | ethtool | 1:3.1-1 net-tools | 1.60-24.1 wireless-tools | 30~pre9-8 udev | 175-3.1 Suggests (Version) | Installed =========================-+-=========== acpid | 1:2.0.16-1 OR apmd | 3.2.2-14 OR pbbuttonsd | OR pmud | hal | -- BH ~~~~~~~~~~~~~~~~~~~~ Randomly selected fortune cookie: Where do I find the time for not reading so many books? -- Karl Kraus ~~~~~~~~~~~~~~~~~~~~ -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org