The bug is still there in Ubuntu 16.04
strace lsusb
read(6, "MAJOR=189\nMINOR=128\nDEVNAME=bus/"..., 4096) = 126
read(6, "", 4096) = 0
read(6, "", 4096) = 0
close(6) = 0
getrandom("\210\215\f\212\365Aik\207\204b\t\25v?\330", 16, GRND_NONBLOCK) = 16
getrandom("\206<>\362?\3478W\266\251\370:9\0063\30", 16, GRND_NONBLOCK) = 16
open("/sys/bus/usb/devices/usb2/busnum", O_RDONLY) = 6
fstat(6, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
read(6, "2\n", 4096) = 2
close(6) = 0
open("/sys/bus/usb/devices/usb2/devnum", O_RDONLY) = 6
fstat(6, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
read(6, "1\n", 4096) = 2
close(6) = 0
open("/sys/bus/usb/devices/usb2/speed", O_RDONLY) = 6
fstat(6, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
read(6, "480\n", 4096) = 4
close(6) = 0
open("/sys/bus/usb/devices/usb2/descriptors", O_RDONLY) = 6
read(6,
but it does not get stuck forever, just a looong time. ~1 minute.
sometimes i get a "unable to mount Android" error notification window after
several minutes. sometimes nothing. when lsusb is done after ~1 minute i wont
see my phone listed.
Have tried several times on both ports on my laptop.
hmm. while writing this post, my phone suddenly mounted and showed up in
lsusb.. hmm magic?
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https://bugs.launchpad.net/bugs/1072278
Title:
lsusb hangs forever
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