I find obexftp does not work fine with the same sympton So I use strace to find out what happen
After cold booting up, the trace log looks like ... brk(0x95f2000) = 0x95f2000 socket(PF_BLUETOOTH, SOCK_SEQPACKET, 0) = 3 bind(3, {sa_family=AF_BLUETOOTH, sa_data="\0\0\333\v\322N#\0\316\356\310\277\6\0"}, 10) = 0 connect(3, {sa_family=AF_BLUETOOTH, sa_data="\1\0g\240L\337\37\0\316\356\310\277\6\0"}, 10) = -1 ECONNRESET (Connection reset by peer) close(3) = 0 dup(2) = 3 ... After suspend-to-ram/resume the trace log looks like ... write(2, "Connecting...", 13Connecting...) = 13 socket(PF_BLUETOOTH, SOCK_STREAM, 3) = 3 bind(3, {sa_family=AF_BLUETOOTH, sa_data="\0\0\0\0\0\0\0\0\0\0\0\0\0\0"}, 10) = 0 connect(3, {sa_family=AF_BLUETOOTH, sa_data="g\240L\337\37\0\6\0\0\0\0\0\0\0"}, 10) = 0 write(3, "\200\0\32\20\0\4\0F\0\23\371\354{\304\225<\21\322\230N"..., 26) = 26 select(4, [3], NULL, NULL, {20, 0}) = 1 (in [3], left {19, 896000}) read(3, "\240\0\37", 3) = 3 read(3, "\2...@\0\313\303\17\245\226j\0\23\371\354{\304\225<\21"..., 28) = 28 ... Looks like I shall dig into kernel/net/bluetooth -- [Welch's] Dell Bluetooth BT365 + ICH7 + ubuntu 8.10 BT file transfer fails https://bugs.launchpad.net/bugs/390941 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