got the same problem with my HDA (fedora 14 with Amahi). Seems like this problem startet about a year ago. All worked fine until about March last year (thats when I first experienced the problem).
If I copy large number of pictures or some movies (200 Mb+) i get problems. Even on file of 500 Mb+ might lead to lost connection.
I find this information in the messages file (/var/log/messages).
Will this script solve the issue for me? LinkJan 3 18:50:17 HDA kernel: [ 3646.705202] r8169 0000:03:00.0: eth0: link up
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.907120, 0] lib/util_sock.c:474(read_fd_with_timeout)
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.937360, 0] lib/util_sock.c:1441(get_peer_addr_internal)
Jan 3 18:50:26 HDA smbd[2251]: getpeername failed. Error was Transport endpoint is not connected
Jan 3 18:50:26 HDA smbd[2251]: read_fd_with_timeout: client 0.0.0.0 read error = Connection reset by peer.
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.938041, 0] lib/util_sock.c:680(write_data)
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.938120, 0] lib/util_sock.c:1441(get_peer_addr_internal)
Jan 3 18:50:26 HDA smbd[2251]: getpeername failed. Error was Transport endpoint is not connected
Jan 3 18:50:26 HDA smbd[2251]: write_data: write failure in writing to client 0.0.0.0. Error Broken pipe
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.938229, 0] smbd/process.c:79(srv_send_smb)
Jan 3 18:50:26 HDA smbd[2251]: Error writing 75 bytes to client. -1. (Transport endpoint is not connected)
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.947145, 0] lib/util_sock.c:680(write_data)
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.947313, 0] lib/util_sock.c:1441(get_peer_addr_internal)
Jan 3 18:50:26 HDA smbd[2251]: getpeername failed. Error was Transport endpoint is not connected
Jan 3 18:50:26 HDA smbd[2251]: write_data: write failure in writing to client 0.0.0.0. Error Broken pipe
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.947427, 0] smbd/process.c:79(srv_send_smb)
Jan 3 18:50:26 HDA smbd[2251]: Error writing 75 bytes to client. -1. (Transport endpoint is not connected)
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.947634, 0] lib/util_sock.c:680(write_data)
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.947720, 0] lib/util_sock.c:1441(get_peer_addr_internal)
Jan 3 18:50:26 HDA smbd[2251]: getpeername failed. Error was Transport endpoint is not connected
Jan 3 18:50:26 HDA smbd[2251]: write_data: write failure in writing to client 0.0.0.0. Error Broken pipe
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.947823, 0] smbd/process.c:79(srv_send_smb)
Jan 3 18:50:26 HDA smbd[2251]: Error writing 75 bytes to client. -1. (Transport endpoint is not connected)
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.948252, 0] lib/util_sock.c:680(write_data)
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.948312, 0] lib/util_sock.c:1441(get_peer_addr_internal)
Jan 3 18:50:26 HDA smbd[2251]: getpeername failed. Error was Transport endpoint is not connected
Jan 3 18:50:26 HDA smbd[2251]: write_data: write failure in writing to client 0.0.0.0. Error Broken pipe
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.948415, 0] smbd/process.c:79(srv_send_smb)
Jan 3 18:50:26 HDA smbd[2251]: Error writing 75 bytes to client. -1. (Transport endpoint is not connected)
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.957801, 0] lib/util_sock.c:680(write_data)
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.957976, 0] lib/util_sock.c:1441(get_peer_addr_internal)
Jan 3 18:50:26 HDA smbd[2251]: getpeername failed. Error was Transport endpoint is not connected
Jan 3 18:50:26 HDA smbd[2251]: write_data: write failure in writing to client 0.0.0.0. Error Broken pipe
Jan 3 18:50:26 HDA smbd[2251]: [2015/01/03 18:50:26.958241, 0] smbd/process.c:79(srv_send_smb)
Jan 3 18:50:26 HDA smbd[2251]: Error writing 75 bytes to client. -1. (Transport endpoint is not connected)
Jan 3 18:50:46 HDA nmbd[2149]: [2015/01/03 18:50:46.992977, 0] nmbd/nmbd_browsesync.c:350(find_domain_master_name_query_fail)
Jan 3 18:50:46 HDA nmbd[2149]: find_domain_master_name_query_fail:
Jan 3 18:50:46 HDA nmbd[2149]: Unable to find the Domain Master Browser name WORKGROUP<1b> for the workgroup WORKGROUP.
Jan 3 18:50:46 HDA nmbd[2149]: Unable to sync browse lists in this workgroup.
Thanks in advance for all help.