Thank you for reporting this bug to Ubuntu. Ubuntu 10.10 (maverick) reached end-of-life on April 10, 2012.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases Please upgrade to the latest version and re-test. ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete ** Bug watch removed: PulseAudio sound server #869 http://pulseaudio.org/ticket/869 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/680861 Title: pulseaudio goes into poll-read loop when removing usb device Status in pulseaudio package in Ubuntu: Incomplete Bug description: Binary package hint: pulseaudio I'm testing with 2 USB sound devices. One works, one doesn't. Using a Cakewalk (Roland) UA-25EX (2 audio channels in/out + midi in/out) works fine. The device may be connected, removed and reconnected at any time wouthout problems. A Digitech RP1000 guitar processor (2 audio channels in/out + midi in/out) sends pulseaudio into an endless loop when it is disconnected or powered off. It appears to be an unhandled ENODEV as repeated in strace: [pid 21874] ppoll([{fd=3, events=POLLIN}, {fd=56, events=POLLIN}, {fd=55, events=POLLIN}, {fd=7, events=POLLIN}, {fd=58, events=POLLIN}, {fd=64, events=POLLIN}, {fd=67, events=POLLIN}, {fd=19, events=POLLIN}, {fd=57, events=POLLIN}, {fd=18, events=POLLIN}, {fd=25, events=POLLIN}, {fd=51, events=POLLIN}, {fd=54, events=POLLIN}, {fd=50, events=POLLIN}, {fd=49, events=POLLIN}, {fd=48, events=POLLIN}, {fd=47, events=POLLIN}, {fd=46, events=POLLIN}, {fd=45, events=POLLIN}, {fd=37, events=POLLIN}, {fd=40, events=POLLIN}, {fd=36, events=POLLIN}, {fd=35, events=POLLIN}, {fd=34, events=POLLIN}, {fd=33, events=POLLIN|POLLERR|POLLHUP}, {fd=33, events=0}, {fd=27, events=POLLIN}, {fd=30, events=POLLIN}, {fd=21, events=POLLIN}, {fd=24, events=POLLIN}, {fd=14, events=POLLIN}, {fd=17, events=POLLIN}, ...], 37, {5, 749931000}, NULL, 8) = 1 ([{fd=58, revents=POLLERR}], left {5, 749924521}) [pid 21874] clock_gettime(CLOCK_MONOTONIC, {12993, 777619310}) = 0 [pid 21874] read(58, 0xbf8d1194, 72) = -1 ENODEV (No such device) [pid 21874] clock_gettime(CLOCK_MONOTONIC, {12993, 777676225}) = 0 ... then back to poll() and it keeps looping trying to read off the same fd (58). Output from pulseaudio (--log-level=debug) from pulseaudio starting when the RP1000 gets connected is attached. There is only one line of info written after the cable is pulled (or turned off) before pulseaudio spins off in the loop. D: module-udev-detect.c: /dev/snd/controlC2 is accessible: no To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/680861/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
