From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36880) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YR33Q-0002EH-2m for qemu-devel@nongnu.org; Thu, 26 Feb 2015 13:20:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YR33M-0002ya-3k for qemu-devel@nongnu.org; Thu, 26 Feb 2015 13:20:56 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55454) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YR33L-0002yQ-R8 for qemu-devel@nongnu.org; Thu, 26 Feb 2015 13:20:52 -0500 Message-ID: <54EF6400.9020606@redhat.com> Date: Thu, 26 Feb 2015 13:20:48 -0500 From: John Snow MIME-Version: 1.0 References: <1424799498-1916-1-git-send-email-jsnow@redhat.com> <54EF1E6C.7070704@redhat.com> In-Reply-To: <54EF1E6C.7070704@redhat.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 0/5] ahci: enable migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini , qemu-devel@nongnu.org Cc: kwolf@redhat.com, marc.mari.barcelo@gmail.com, armbru@redhat.com, stefanha@redhat.com, mst@redhat.com On 02/26/2015 08:23 AM, Paolo Bonzini wrote: > > > On 24/02/2015 18:38, John Snow wrote: >> The day we all feared is here, and I am proposing we allow the >> migration of the AHCI device. The series that precedes this >> which fixes AHCI migration has improved the stability of the >> device and as this test series proves, is stable. >> >> I am justifying this checkin based on a series of ping-pong >> migration tests I ran under heavy load (using google's stressapptest) >> and saw over 300 successful migrations without a single failure. >> >> This series does a few things: >> (1) Add migration facilities to libqos >> (2) Enable AHCI and ICH9 migration >> (3) Add a series of migration tests to ahci-test >> >> This patch has several dependencies: >> >> (1) stefanha/block >> (2) [PATCH v4 00/17] ide: rerror/werror migration fixes for IDE/ISA and AHCI >> (3) [PATCH 0/8] ahci: add more IO tests >> (4) [PATCH 0/6] ahci: rerror/werror=stop resume tests >> >> 1, 3 and 4 are ahci-test framework dependencies, but 2 actually allows the >> AHCI migration to become stable. > > Does rerror/werror=stop work even for queued DMA reads/writes (I didn't > try doing that, but I never even checked whether it just worked)? > > Paolo > One more test case, coming up! --js