Kok, Auke wrote:
L F wrote:
On 9/14/07, Kok, Auke <[EMAIL PROTECTED]> wrote:
this slowness might have been masking the issue
That is possible. However, it worked for upwards of twelve months
without an error.
I have not yet seen other reports of this issue, and it would be
interesting to
see if the stack or driver is seeing errors. Please post `ethtool -S
eth0` after
the samba connection resets or fails.
If you look for it on the Realtek cards, there had been sporadic
issues up to late 2005. The solution posted universally was 'change
card'.
I include the content of ethtool -S as requested:
beehive:~# ethtool -S eth4
NIC statistics:
rx_packets: 43538709
tx_packets: 68726231
rx_bytes: 34124849453
tx_bytes: 74817483835
rx_broadcast: 20891
tx_broadcast: 8941
rx_multicast: 459
tx_multicast: 0
rx_errors: 0
tx_errors: 0
tx_dropped: 0
multicast: 459
collisions: 0
rx_length_errors: 0
rx_over_errors: 0
rx_crc_errors: 0
rx_frame_errors: 0
rx_no_buffer_count: 0
rx_missed_errors: 0
tx_aborted_errors: 0
tx_carrier_errors: 0
tx_fifo_errors: 0
tx_heartbeat_errors: 0
tx_window_errors: 0
tx_abort_late_coll: 0
tx_deferred_ok: 486
tx_single_coll_ok: 0
tx_multi_coll_ok: 0
tx_timeout_count: 0
tx_restart_queue: 0
rx_long_length_errors: 0
rx_short_length_errors: 0
rx_align_errors: 0
tx_tcp_seg_good: 0
tx_tcp_seg_failed: 0
rx_flow_control_xon: 488
rx_flow_control_xoff: 488
tx_flow_control_xon: 0
tx_flow_control_xoff: 0
rx_long_byte_count: 34124849453
Are these long frames expected in your network? What is the MTU of the
transmitting clients? Perhaps this might explain why reads work (because
data is coming from the Linux box so the packets have smaller MTU) while
writes cause delays or packet loss because the clients are sending long
frames which are getting fragmented?
rx_csum_offload_good: 43449333
rx_csum_offload_errors: 0
rx_header_split: 0
alloc_rx_buff_failed: 0
tx_smbus: 0
rx_smbus: 0
dropped_smbus: 0
I am no expert, but I do not see anything that obviously points to an
issue there.
Now, something I did not mention before, though it was clearly evident
from context, is that the errors ONLY occur on samba WRITE. I can read
hundreds of GBs of data without error.
can you describe your setup a bit more in detail? you're writing from a
linux client to a windows smb server? or even to a linux server? which
end sees the connection drop? the samba server? the samba linux client?
Auke
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--
James Chapman
Katalix Systems Ltd
http://www.katalix.com
Catalysts for your Embedded Linux software development
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