From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shamir Rabinovitch Subject: Re: [PATCH v2] rds: rds-stress show all zeros after few minutes Date: Sun, 3 Apr 2016 15:29:52 +0300 Message-ID: <20160403122951.GA14675@shamir-linux.uk.oracle.com> References: <1459405762-29778-1-git-send-email-shamir.rabinovitch@oracle.com> <20160331.160246.2179579552166806534.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: rds-devel@oss.oracle.com, netdev@vger.kernel.org To: David Miller Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:27334 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751757AbcDCM37 (ORCPT ); Sun, 3 Apr 2016 08:29:59 -0400 Content-Disposition: inline In-Reply-To: <20160331.160246.2179579552166806534.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, Mar 31, 2016 at 04:02:46PM -0400, David Miller wrote: > From: shamir rabinovitch > Date: Thu, 31 Mar 2016 02:29:22 -0400 > > > Issue can be seen on platforms that use 8K and above page size > > while rds fragment size is 4K. On those platforms single page is > > shared between 2 or more rds fragments. Each fragment has its own > > offset and rds congestion map code need to take this offset to account. > > Not taking this offset to account lead to reading the data fragment > > as congestion map fragment and hang of the rds transmit due to far > > congestion map corruption. > > > > Signed-off-by: shamir rabinovitch > > > > Reviewed-by: Wengang Wang > > Reviewed-by: Ajaykumar Hotchandani > > Acked-by: Santosh Shilimkar > > Tested-by: Anand Bibhuti > > This doesn't apply cleanly to my current tree, please respin. Sorry for the trouble. Re-sent the patch based on net-next master. Broke the patch according to comments from Santosh Shilimkar. BR, Shamir