Re: threads scsi_eh_ and scsi_tmf_ don't die when ib_srp reconnect

[Konstantin Krotov <kkv@clodo.ru>]

11.08.2015 23:28, Bart Van Assche пишет:
> On 08/11/2015 06:41 AM, Konstantin Krotov wrote:
>> Hello, thanks for reply.
>>
>> I build a package version 2.0.34, but problem is reproduced:
>> [  260.266374] scsi host15: ib_srp: REJ received
>> [  260.266383] scsi host15: ib_srp: SRP LOGIN from
>> fe80:0000:0000:0000:0002:c903:0008:c884 to
>> fe80:0000:0000:0000:0002:c903:0009:c1a0 REJECTED, reason 0x00010001
>> [  260.266588] scsi host15: ib_srp: Connection 0/8 failed
>> [  260.266700] scsi host15: ib_srp: Sending CM DREQ failed
>>
>> and increases the number of threads scsi_tmf_ and scsi_eh_ at every
>> reconnect..
>
> Hello Konstantin,
>
> I have tried to reproduce this but without success so far. Whether I
> install upstream kernel v4.2-rc6 or another kernel version +
> ib_srp-backport on the initiator system, the result is the same when I
> block SRP login on the target system: the ib_srp driver keeps trying to
> log in without creating new SCSI hosts.

> Are you using a kernel from Greg KH's stable repository or another kernel ? And to which values were the
yes, sources from upstream, 3.19.1

> ib_srp kernel module parameters set (cat /etc/modprobe.d/ib_srp.conf) ?
srp.konf missing, i load modules with the default settings:
allow_ext_sg:N
ch_count:0
cmd_sg_entries:12
dev_loss_tmo:600
enable_imm_data:Y
fast_io_fail_tmo:15
indirect_sg_entries:12
prefer_fr:N
reconnect_delay:20
register_always:N
srp_sg_tablesize:0
topspin_workarounds:1

>
> Bart.

-- 
WBR
Konstantin V. Krotov

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