From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:47807) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Re5Ks-0002xB-Am for qemu-devel@nongnu.org; Fri, 23 Dec 2011 08:39:05 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Re5Km-0000J3-R7 for qemu-devel@nongnu.org; Fri, 23 Dec 2011 08:38:58 -0500 Received: from verein.lst.de ([213.95.11.211]:57150 helo=newverein.lst.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Re5Km-0000Gr-Mb for qemu-devel@nongnu.org; Fri, 23 Dec 2011 08:38:52 -0500 Date: Fri, 23 Dec 2011 14:38:50 +0100 From: Christoph Hellwig Message-ID: <20111223133850.GA12770@lst.de> References: <1313152395-25248-1-git-send-email-morita.kazutaka@lab.ntt.co.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1313152395-25248-1-git-send-email-morita.kazutaka@lab.ntt.co.jp> Subject: Re: [Qemu-devel] [PATCH] sheepdog: use coroutines List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: MORITA Kazutaka Cc: kwolf@redhat.com, sheepdog@lists.wpkg.org, qemu-devel@nongnu.org FYI, this causes segfaults when doing large streaming writes when running against a sheepdog cluster which: a) has relatively fast SSDs and b) uses buffered I/O. Unfortunately I can't get a useful backtrace out of gdb. When running just this commit I at least get some debugging messages: qemu-system-x86_64: failed to recv a rsp, Socket operation on non-socket qemu-system-x86_64: failed to get the header, Socket operation on non-socket but on least qemu these don't show up either.