From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH 11/11] IB/srp: Prevent mapping failures Date: Thu, 5 May 2016 14:40:16 -0700 Message-ID: <572BBDC0.5070205@sandisk.com> References: <571A936F.7040409@sandisk.com> <571A94AF.7000609@sandisk.com> <20160503093307.GL19931@lst.de> <572A8975.9060606@sandisk.com> <20160505140616.GA15000@lst.de> <2102017158.34060891.1462478304470.JavaMail.zimbra@redhat.com> <572BA98F.4090109@sandisk.com> <572BAA6F.1060607@sandisk.com> <804753248.34153510.1462481756460.JavaMail.zimbra@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <804753248.34153510.1462481756460.JavaMail.zimbra-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Laurence Oberman Cc: Christoph Hellwig , Doug Ledford , Sagi Grimberg , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org On 05/05/2016 01:56 PM, Laurence Oberman wrote: > Set at 1025, rebuilt ib_srp module, rebooted client and: > > Still get: > > [root@srptest ~]# dmesg | grep Reducing > [ 227.076550] scsi host4: ib_srp: Reducing max_sectors from 8192 to 4080 > [ 235.316995] scsi host5: ib_srp: Reducing max_sectors from 8192 to 4080 > [ 245.726223] scsi host5: ib_srp: Reducing max_sectors from 8192 to 4080 > [ 253.197573] scsi host6: ib_srp: Reducing max_sectors from 8192 to 4080 > > And then of course we are constrained Sorry. I forgot that the maximum FR page list length for mlx4 is 511. I will come up with another solution. Bart. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html