El 22/08/12 18:43, Alan Stern escribió: > On Wed, 22 Aug 2012, Àlex Magaz Graça wrote: > >> Hi, >> >> [1.] One line summary of the problem: >> Certain USB devices wake up the system after power off >> >> [2.] Full description of the problem/report: >> >> The computer no longer shuts down properly after upgrading from Ubuntu >> 11.04 to 11.10 (this is from kernel 2.6.38 to 3.0.20 (*)), it powers on >> immediately after being shut down. >> >> WORKAROUND: It doesn't happen if any of the problematic USB devices are >> not plugged. >> >> I perform the following the following steps: >> >> 1. Switch to a virtual terminal (no XWindow) and log in. >> 2. Run: sudo poweroff >> 3. The computer shuts down (I see how all LEDs switch off and hear the >> hard drive stopping). >> 4. Immediately the computer powers on again. >> >> It only fails when the device is plugged in on the back USB ports, NOT >> in the ones in the front panel. >> - Fails with: WiFi card or pendrive. >> - Doesn't fail with: printer, keyboard/mouse wireless receiver, >> bluetooth dongle. >> >> If I boot passing acpi=off to the kernel command line, the computer >> doesn't shut down. >> >> After bisecting I've found the problem was introduced in commit >> c61875977458637226ab093a35d200f2d5789787. OHCI: final fix for NVIDIA >> problems (I hope). > That patch affects shutdown for all OHCI controllers, not just NVIDIA > controllers. On the other hand, it's strange that the problem is > triggered only by devices that don't use OHCI. > > Have you checked for any BIOS updates from the manufacturer? > > The lsusb output attached to your bug report indicates that only two > devices were plugged in: the WiFi card and the wireless receiver. > What happens if the only USB device attached is the WiFi card? (For > best testing, unplug the receiver and other things before you boot.) > > Please post the output from: > > ls -d /sys/bus/pci/drivers/?hci_hcd/*/usb? > > Also, post the output from "lsusb" with the WiFi card plugged > into a rear port and the pendrive plugged into a front port. > > Alan Stern >
Sorry, I forgot to check for BIOS updates. After updating the BIOS the problem is fixed. Thanks, Àlex -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/964133 Title: 0ace:1211 WiFi USB card wakes up the system after power off To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/964133/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
