Re: Problem with LIO iSER target

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Dynamic debug has same messages. I copy one round from them:
[  881.979010] entering iscsi_target_do_login_rx, conn: ffff881fcf74b000, kworker/15:1:491
[  881.979017] iSCSI Parameter updated to IFMarker=No
[  881.979017] Reset "IFMarker" to "No".
[  881.979018] iSCSI Parameter updated to OFMarker=No
[  881.979018] Reset "OFMarker" to "No".
[  881.979019] Reset "IFMarkInt" to "Irrelevant".
[  881.979065] Starting login_timer for kworker/15:1/491
[  881.979075] Reset "OFMarker" to "No".
[  881.979075] iSCSI Parameter updated to IFMarkInt=Irrelevant
[  881.979076] Reset "IFMarkInt" to "Irrelevant".
[  881.979076] iSCSI Parameter updated to OFMarkInt=Irrelevant
[  881.979077] Reset "OFMarkInt" to "Irrelevant".
[  881.979078] No response for proposed key "RDMAExtensions".
[  881.979129] iSCSI Parameter updated to OFMarker=No
[  881.979130] Reset "OFMarker" to "No".
[  881.979131] iSCSI Parameter updated to IFMarkInt=Irrelevant
[  881.979132] Reset "IFMarkInt" to "Irrelevant".
[  881.979133] iSCSI Parameter updated to OFMarkInt=Irrelevant
[  881.979135] Reset "OFMarkInt" to "Irrelevant".
[  881.979186] iSCSI Parameter updated to OFMarker=No
[  881.979186] Reset "OFMarker" to "No".
[  881.979186] iSCSI Parameter updated to IFMarkInt=Irrelevant
[  881.979187] Reset "IFMarkInt" to "Irrelevant".
[  881.979187] iSCSI Parameter updated to OFMarkInt=Irrelevant
[  881.979190] No response for proposed key "RDMAExtensions".
[  881.979243] iSCSI Parameter updated to OFMarker=No
[  881.979244] Reset "OFMarker" to "No".
[  881.979244] iSCSI Parameter updated to IFMarkInt=Irrelevant
[  881.979245] Reset "IFMarkInt" to "Irrelevant".
[  881.979245] iSCSI Parameter updated to OFMarkInt=Irrelevant
[  881.979246] Reset "OFMarkInt" to "Irrelevant".
[  881.979296] Starting login_timer for kworker/15:1/491
[  881.979304] Reset "OFMarker" to "No".
[  881.979305] iSCSI Parameter updated to IFMarkInt=Irrelevant
[  881.979305] Reset "IFMarkInt" to "Irrelevant".
[  881.979306] iSCSI Parameter updated to OFMarkInt=Irrelevant
[  881.979308] No response for proposed key "RDMAExtensions".
[  881.979357] Reset "OFMarker" to "No".
[  881.979358] iSCSI Parameter updated to IFMarkInt=Irrelevant
[  881.979358] Reset "IFMarkInt" to "Irrelevant".
[  881.979359] iSCSI Parameter updated to OFMarkInt=Irrelevant
[  881.979359] Reset "OFMarkInt" to "Irrelevant".
[  881.979360] No response for proposed key "RDMAExtensions".
[  881.979412] No response for proposed key "RDMAExtensions".
[  881.979412] No response for proposed key "InitiatorRecvDataSegmentLength".
[  881.979413] No response for proposed key "TargetRecvDataSegmentLength".
[  881.979413] Sending Login Response, Flags: 0x04, ITT: 0x00000000, ExpCmdSN; 0x00000001, MaxCmdSN: 0x00000001, StatSN: 0xdd8719c0, Length: 0
[  881.979454] entering iscsi_target_do_login_rx, conn: ffff881fcf74b000, kworker/15:1:491
[  881.979468] No response for proposed key "RDMAExtensions".
[  881.979468] No response for proposed key "InitiatorRecvDataSegmentLength".
[  881.979469] No response for proposed key "TargetRecvDataSegmentLength".
[  881.979469] Sending Login Response, Flags: 0x04, ITT: 0x00000000, ExpCmdSN; 0x00000001, MaxCmdSN: 0x00000001, StatSN: 0xdd8719c1, Length: 0
[  881.979480] systemd-journald[1002]: /dev/kmsg buffer overrun, some messages lost.

Any idea, what could be useful in dynamic debug ?

Thanks,

Laszlo

> On 07 Aug 2016, at 19:26, Chuck Lever <chuck.lever@xxxxxxxxxx> wrote:
> 
> 
>> On Aug 7, 2016, at 1:21 PM, Sagi Grimberg <sagi@xxxxxxxxxxx> wrote:
>> 
>> Hi,
>> 
>>> I have used the LIO target for years without any problem.
>>> This week I wanted to use from an Oracle Solaris 11.3 operating system.
>> 
>> You mean you used a solaris as the iser initiator?
>> I'm not sure I follow...
>> 
>>> When I start the discovery from Solaris 11 I got the following messages in dmesg
>>> 
>>> [42165.515175] iSCSI Login timeout on Network Portal 0.0.0.0:3260
>>> [42165.516149] iSCSI Login negotiation failed.
>>> 
>>> and a flood of these messages:
>>> [35972.928304] No response for proposed key "RDMAExtensions".
>>> [35972.928304] No response for proposed key "InitiatorRecvDataSegmentLength".
>>> [35972.928304] No response for proposed key "TargetRecvDataSegmentLength”.
>>> 
>>> I suspect that I need to set these parameters on my target side, to be able to use it from solaris side.
>> 
>> This looks like you asked for iSER (RDMAExtensions=yes) but didn't set
>> them as negotiable but rather declarative?
>> 
>> See https://tools.ietf.org/html/draft-ietf-storm-iser-15#section-6.3
>> 
>> Can you turn on dynamic debug se we can see some more relevant
>> info?
>> 
>>> Does anyone has experience to use LIO target from Solaris initiator ?
>> 
>> Not that I'm aware of...
>> 
>> Maybe Chuck knows (CC'd)?
> 
> I've never tried using the Solaris block protocol drivers,
> but maybe Shirley or John has.
> 
> 
> --
> Chuck Lever
> 
> 
> 
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