From: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Bart Van Assche <bart.vanassche-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
Cc: Laurence Oberman
<loberman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Yishai Hadas <yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: multipath IB/srp fail-over testing lands up in dump stack in swiotlb_alloc_coherent()
Date: Tue, 14 Jun 2016 15:08:33 +0300 [thread overview]
Message-ID: <20160614120833.GO5408@leon.nu> (raw)
In-Reply-To: <11e680c4-84b3-1cd6-133c-36f71bd853d0-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
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On Tue, Jun 14, 2016 at 11:24:28AM +0200, Bart Van Assche wrote:
> On 06/14/2016 03:56 AM, Laurence Oberman wrote:
> >Tracing [ ... ]
>
> Hello Laurence,
>
> Can you try to set the kernel command line parameter swiotlb to a value that
> is a multiple of its default (64MB), reboot and see whether that helps? See
> also Documentation/kernel-parameters.txt in the kernel tree.
Do you think that 64MB is not enough for this scenario?
>
> Thanks,
>
> Bart.
>
>
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next prev parent reply other threads:[~2016-06-14 12:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1217453008.41876448.1465770498545.JavaMail.zimbra@redhat.com>
[not found] ` <1217453008.41876448.1465770498545.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-12 22:40 ` multipath IB/srp fail-over testing lands up in dump stack in swiotlb_alloc_coherent() Laurence Oberman
[not found] ` <19156300.41876496.1465771227395.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-13 6:32 ` Bart Van Assche
[not found] ` <2d316ddf-9a2a-3aba-cf2d-fcdaafbaa848-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-13 13:23 ` Laurence Oberman
2016-06-13 14:07 ` Leon Romanovsky
[not found] ` <20160613140747.GL5408-2ukJVAZIZ/Y@public.gmane.org>
2016-06-13 14:19 ` Laurence Oberman
[not found] ` <946373818.41993264.1465827597452.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-13 15:22 ` Laurence Oberman
[not found] ` <887623939.42004497.1465831339845.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-13 22:30 ` Laurence Oberman
[not found] ` <450384210.42057823.1465857004662.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-14 1:56 ` Laurence Oberman
[not found] ` <1964187258.42093298.1465869387551.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-14 9:24 ` Bart Van Assche
[not found] ` <11e680c4-84b3-1cd6-133c-36f71bd853d0-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-14 12:08 ` Leon Romanovsky [this message]
[not found] ` <20160614120833.GO5408-2ukJVAZIZ/Y@public.gmane.org>
2016-06-14 12:25 ` Bart Van Assche
[not found] ` <fe7c9713-2864-7b6c-53ec-f5d1364d65d8-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-14 13:10 ` Laurence Oberman
2016-06-14 13:15 ` Leon Romanovsky
[not found] ` <20160614131552.GP5408-2ukJVAZIZ/Y@public.gmane.org>
2016-06-14 13:57 ` Laurence Oberman
[not found] ` <1531921470.42169965.1465912634165.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-14 17:40 ` Laurence Oberman
[not found] ` <1296246237.42197305.1465926035162.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-14 18:41 ` Laurence Oberman
[not found] ` <1167916510.42202925.1465929678588.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-15 7:40 ` Bart Van Assche
[not found] ` <a524c577-cfb1-4072-da12-01d0d9ab9c38-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-15 10:57 ` Laurence Oberman
[not found] ` <109658870.42286330.1465988279277.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-15 12:02 ` Laurence Oberman
[not found] ` <794983323.42297890.1465992133003.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-15 12:51 ` Bart Van Assche
[not found] ` <cb6f8f42-1f4f-cf9d-42d0-12ba5e90ab86-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2016-06-15 13:19 ` Laurence Oberman
[not found] ` <1925675172.42312868.1465996772507.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-15 13:23 ` Laurence Oberman
[not found] ` <868111008.42313561.1465997038399.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-06-15 23:05 ` Laurence Oberman
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