Hi, I'm not sure of these messages. This machine does not have any kind of modem. Does not look good anyway. File a bug ? Against Modem Manager ? cu romal Aug 6 17:44:59 chessur modem-manager[892]: <info> (ttyS0) closing serial port... Aug 6 17:44:59 chessur modem-manager[892]: <info> (ttyS0) serial port closed Aug 6 17:44:59 chessur modem-manager[892]: <info> (ttyS0) opening serial port... Aug 6 17:45:00 chessur kernel: [ 38.462891] irq 17: nobody cared (try booting with the "irqpoll" option) Aug 6 17:45:00 chessur kernel: [ 38.462896] Pid: 0, comm: kworker/0:1 Not tainted 2.6.40-4.fc15.x86_64 #1 Aug 6 17:45:00 chessur kernel: [ 38.462898] Call Trace: Aug 6 17:45:00 chessur kernel: [ 38.462900] <IRQ> [<ffffffff810af618>] __report_bad_irq+0x38/0xc3 Aug 6 17:45:00 chessur kernel: [ 38.462911] [<ffffffff810af8af>] note_interrupt+0x173/0x1f0 Aug 6 17:45:00 chessur kernel: [ 38.462914] [<ffffffff810adee6>] handle_irq_event_percpu+0x15d/0x1a5 Aug 6 17:45:00 chessur kernel: [ 38.462917] [<ffffffff810adf66>] handle_irq_event+0x38/0x56 Aug 6 17:45:00 chessur kernel: [ 38.462921] [<ffffffff81075360>] ? sched_clock_cpu+0x42/0xc6 Aug 6 17:45:00 chessur kernel: [ 38.462924] [<ffffffff810b004e>] handle_fasteoi_irq+0x77/0x9b Aug 6 17:45:00 chessur kernel: [ 38.462928] [<ffffffff8100ab6d>] handle_irq+0x88/0x8e Aug 6 17:45:00 chessur kernel: [ 38.462932] [<ffffffff814bf21d>] do_IRQ+0x4d/0xa5 Aug 6 17:45:00 chessur kernel: [ 38.462937] [<ffffffff814b7413>] common_interrupt+0x13/0x13 Aug 6 17:45:00 chessur kernel: [ 38.462938] <EOI> [<ffffffff8100e969>] ? paravirt_read_tsc+0x9/0xd Aug 6 17:45:00 chessur kernel: [ 38.462946] [<ffffffff81283b14>] ? intel_idle+0xd8/0x100 Aug 6 17:45:00 chessur kernel: [ 38.462948] [<ffffffff81283af6>] ? intel_idle+0xba/0x100 Aug 6 17:45:00 chessur kernel: [ 38.462954] [<ffffffff813b0aa5>] cpuidle_idle_call+0xd7/0x168 Aug 6 17:45:00 chessur kernel: [ 38.462958] [<ffffffff81008307>] cpu_idle+0xa5/0xdf Aug 6 17:45:00 chessur kernel: [ 38.462962] [<ffffffff814a6628>] start_secondary+0x23f/0x241 Aug 6 17:45:00 chessur kernel: [ 38.462964] handlers: Aug 6 17:45:00 chessur kernel: [ 38.462967] [<ffffffff81350124>] usb_hcd_irq Aug 6 17:45:00 chessur kernel: [ 38.462968] Disabling IRQ #17 Aug 6 17:45:05 chessur modem-manager[892]: <info> (ttyS0) closing serial port... Aug 6 17:45:05 chessur modem-manager[892]: <info> (ttyS0) serial port closed -- test mailing list test@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/test