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From: Mike Christie <mchristi@redhat.com>
To: Bart Van Assche <bart.vanassche@sandisk.com>,
	"dm-devel@redhat.com" <dm-devel@redhat.com>,
	"christophe.varoqui@opensvc.com" <christophe.varoqui@opensvc.com>
Subject: Re: [PATCH 2/4] multipath-tools: add checker callout to repair path
Date: Fri, 12 Aug 2016 11:54:38 -0500	[thread overview]
Message-ID: <57ADFF4E.2070604@redhat.com> (raw)
In-Reply-To: <e4286ca9-01cb-5cc0-2d67-38f68c0a19cb@sandisk.com>

On 08/11/2016 04:41 PM, Bart Van Assche wrote:
> On 08/11/2016 01:33 PM, Mike Christie wrote:
>> Could you try the attached patch. I found two segfaults. If check_path
>> returns less than 0 then we free the path and so we cannot call repair
>> on it. If libcheck_init fails it memsets the checker, so we cannot call
>> repair on it too.
>>
>> I moved the repair call to the specific paths that the path is down.
> 
> Hello Mike,
> 
> Thanks for the patch. Unfortunately even with this patch applied I can
> still trigger a segfault sporadically:
> 

I can't seem to replicate the problem with my patch and I do not see
anything. Could you send me your multipath.conf/hwtable settings?

For the fo/fb test, dev_loss_tmo is firing causing paths to be
added/deleted right?

  reply	other threads:[~2016-08-12 16:54 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-08 12:01 PATCH 0/4] multipath-tools: Ceph rbd support v2 Mike Christie
2016-08-08 12:01 ` [PATCH 1/4] libmultipath: add rbd discovery Mike Christie
2016-08-08 12:01 ` [PATCH 2/4] multipath-tools: add checker callout to repair path Mike Christie
2016-08-11 15:50   ` Bart Van Assche
2016-08-11 20:33     ` Mike Christie
2016-08-11 21:41       ` Bart Van Assche
2016-08-12 16:54         ` Mike Christie [this message]
2016-08-12 17:10           ` Bart Van Assche
2016-08-14  8:41         ` Mike Christie
2016-08-15 16:24           ` Bart Van Assche
2016-08-08 12:01 ` [PATCH 3/4] multipath-tools: Add rbd checker Mike Christie
2016-08-08 12:01 ` [PATCH 4/4] multipath-tools: Add rbd to the hwtable Mike Christie
2016-08-09 15:36 ` PATCH 0/4] multipath-tools: Ceph rbd support v2 Christophe Varoqui
2016-08-09 18:26   ` Mike Christie
2016-08-10  7:55     ` Christophe Varoqui
2016-08-10 15:42       ` Bart Van Assche
  -- strict thread matches above, loose matches on Subject: below --
2016-07-05  8:12 [PATCH 0/4] multipath-tools: Ceph rbd support Mike Christie
2016-07-05  8:12 ` [PATCH 2/4] multipath-tools: add checker callout to repair path Mike Christie

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