So I found that my problem is lirc_igorplugusb module in lsmod ( attached ). I tried to kill him :
x...@xbmclive:~$ rmmod lirc_igorplugusb ERROR: Module lirc_igorplugusb is in use Next step which I did : I stopped lirc : r...@xbmclive:~# sudo /etc/init.d/lirc stop * Stopping remote control daemon(s): LIRC [ OK ] and tried again stop lirc_igorplugusb module : r...@xbmclive:~# rmmod lirc_igorplugusb Killed after this I used pm-suspend. On the screen I can see : PM:Syncing filesystems....done PM:Preparing system for mem sleep Freezing user space processes...( elapsed 0.00 seconds ) done Freezing remaining freezable tasks...( elapsed 0.00 seconds ) done PM:entering mem sleep Suspending console(s) ( use no_console_suspend to debug ) and still no suspend ..... ** Attachment added: "lsmod_with_IR.txt" https://bugs.launchpad.net/ubuntu/+bug/616308/+attachment/1486453/+files/lsmod_with_IR.txt -- Problem go to suspend with USB device connected https://bugs.launchpad.net/bugs/616308 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs