Check file
ipt_open_iscsi_2.0_871.log
ipt_open_iscsi_2.0_871.cap

open iscsi version 2.0-871

thank you very much .
On Oct 16, 2:08 am, Mike Christie <micha...@cs.wisc.edu> wrote:
> On 10/15/2009 01:36 AM, niko scsi wrote:
>
> > I checked the debug message and the code in iscsi_tcp_segment_done
> > but i can not understand the infomation in tcp debug info shown below.
>
> Could you also send the libiscsi_tcp and libiscsi debug output?
>
> And could you send more log. Send the part up to the point you get the
> datasn error.
>
>
>
> > twice ?
>
> > Sep 27 09:37:01 localhost kernel: tcp: iscsi_tcp_send_data_prep
> > (cb76be00, offset=0, datalen=12)
> > Sep 27 09:37:01 localhost kernel: tcp: copied 0 0 size 48 xmit
> > Sep 27 09:37:01 localhost kernel: tcp: copied 0 48 size 48 xmit
> > Sep 27 09:37:01 localhost kernel: tcp: iscsi_tcp_segment_unmap
> > cb76bf4c
> > Sep 27 09:37:01 localhost kernel: tcp: total copied 48 total size 48
> > Sep 27 09:37:01 localhost kernel: tcp: Header done. Next segment size
> > 12 total_size 12
> > Sep 27 09:37:01 localhost kernel: tcp: copied 0 0 size 12
> > xmit             ------------------------------------- This place
> > Sep 27 09:37:01 localhost kernel: tcp: copied 0 12 size 12
> > xmit            ------------------------------------- can not
> > understand
> > Sep 27 09:37:01 localhost kernel: tcp: iscsi_tcp_segment_unmap
> > cb76bf4c
> > Sep 27 09:37:01 localhost kernel: tcp: total copied 12 total size
> > 12       -------------------------------------
> > Sep 27 09:37:01 localhost kernel: tcp: copied 0 0 size 0 xmit
> > Sep 27 09:37:01 localhost kernel: tcp: iscsi_tcp_segment_unmap
> > cb76bf4c
> > Sep 27 09:37:01 localhost kernel: tcp: total copied 12 total size
> > 12       --------------------------------------
> > Sep 27 09:37:01 localhost kernel: tcp: xmit 60 bytes
> > Sep 27 09:37:01 localhost kernel: tcp: no R2Ts yet
> > Sep 27 09:37:01 localhost kernel: tcp: in 60 bytes
> > Sep 27 09:37:01 localhost kernel: tcp: skb dfab65c0 ptr=da5a5a54
> > avail=60
>
> > On Sep 30, 2:48 am, Mike Christie<micha...@cs.wisc.edu>  wrote:
> >> On 09/26/2009 09:20 PM, niko scsi wrote:
>
> >>> I followed the 
> >>> howtohttp://tldp.org/HOWTO/SCSI-Generic-HOWTO/scsi_snd_cmd.html
> >>> to pass through scsi cmd with data (self defined,target can handle
> >>> it)  to iscsi disk.
> >>>    however,the request was handled six times ,I checked the log ,the
> >>> reason is shown below. The connection failed and recovered six
> >>> times ,and I tested many times ,each time ,the same :six times!
> >>> I'm newbie to scsi program. Any idea that can cause this problem ?
> >>> error occurred in function iscsi_data_rsp
> >>> tcp debug infomations show below :
> >>> .......................................
> >>> Sep 27 09:37:01 localhost kernel: tcp: skb dfab65c0 ptr=da5a5a54
> >>> avail=60
> >>> Sep 27 09:37:01 localhost kernel: tcp: copied 0 0 size 48 recv
> >>> Sep 27 09:37:01 localhost kernel: tcp: iscsi_tcp_segment_recv copying
> >>> 48
> >>> Sep 27 09:37:01 localhost kernel: tcp: copied 0 48 size 48 recv
> >>> Sep 27 09:37:01 localhost kernel: tcp: iscsi_tcp_segment_unmap
> >>> cb76be10
> >>> Sep 27 09:37:01 localhost kernel: tcp: total copied 48 total size 48
> >>> Sep 27 09:37:01 localhost kernel: tcp: segment done
> >>> Sep 27 09:37:01 localhost kernel: tcp: opcode 0x25 ahslen 0 datalen 12
> >>> Sep 27 09:37:01 localhost kernel: tcp: iscsi_data_rsp: ctask-
> >>>> exp_datasn(1) != rhdr->datasn(0)
> >> You might not be doing anything wrong. It might a target or initiator bug.
>
> >> What target are you using? In your setup, did you modify the iscsi
> >> target in some way?
>
> >> And what kernel are using?- Hide quoted text -
>
> >> - Show quoted text -- Hide quoted text -
>
> - Show quoted text -
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