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From: jthumshirn@suse.de (Johannes Thumshirn)
Subject: I/O Errors due to keepalive timeouts with NVMf RDMA
Date: Mon, 10 Jul 2017 12:20:49 +0200	[thread overview]
Message-ID: <20170710102049.GF5105@linux-x5ow.site> (raw)
In-Reply-To: <a940a9ea-c090-6620-a080-eb7cf6140ad3@grimberg.me>

On Mon, Jul 10, 2017@01:13:35PM +0300, Sagi Grimberg wrote:
> 
> >Tried up to 120 now, still broken.
> 
> Then something else is broken. 120 seconds is literally forever
> in IB world. can you please turn on pr_debug in
> nvmet_execute_keep_alive() and check that the target sees it
> in a timely manner?

OK, running a test now. I have a local test patch that cancels and
re-schedules the kato work on every mq_ops->complete() for testing as well
which I also like to check as a proof of my hypothesis and then I'll report
back.

Thanks,
	Johannes

-- 
Johannes Thumshirn                                          Storage
jthumshirn at suse.de                                +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N?rnberg
GF: Felix Imend?rffer, Jane Smithard, Graham Norton
HRB 21284 (AG N?rnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850

  reply	other threads:[~2017-07-10 10:20 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-07  9:48 I/O Errors due to keepalive timeouts with NVMf RDMA Johannes Thumshirn
2017-07-08 18:14 ` Max Gurtovoy
2017-07-10  7:59   ` Johannes Thumshirn
2017-07-10  7:06 ` Sagi Grimberg
2017-07-10  7:17   ` Hannes Reinecke
2017-07-10  8:46     ` Max Gurtovoy
2017-07-10  9:10       ` Johannes Thumshirn
2017-07-10 10:13         ` Sagi Grimberg
2017-07-10 10:20           ` Johannes Thumshirn [this message]
2017-07-10 11:04             ` Sagi Grimberg
2017-07-10 11:33               ` Johannes Thumshirn
2017-07-10 11:41                 ` Sagi Grimberg
2017-07-10 11:50                   ` Johannes Thumshirn
2017-07-10 12:04                     ` Sagi Grimberg
2017-07-11  8:52                       ` Johannes Thumshirn
2017-07-11  9:19                         ` Sagi Grimberg
2017-07-11  9:21                           ` Johannes Thumshirn
2017-07-14 11:25                           ` Johannes Thumshirn
2017-08-15 22:46                             ` Guilherme G. Piccoli
2017-08-16  8:16                               ` Christoph Hellwig
2017-08-16 16:19                                 ` Guilherme G. Piccoli
2017-08-28 10:15                                   ` Guan Junxiong
2017-07-10  8:59     ` Jack Wang

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