From owner-freebsd-xen@FreeBSD.ORG Sun Feb 15 06:54:05 2009 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BF814106564A for ; Sun, 15 Feb 2009 06:54:05 +0000 (UTC) (envelope-from mat.macy@gmail.com) Received: from rv-out-0506.google.com (rv-out-0506.google.com [209.85.198.238]) by mx1.freebsd.org (Postfix) with ESMTP id 918DE8FC08 for ; Sun, 15 Feb 2009 06:54:05 +0000 (UTC) (envelope-from mat.macy@gmail.com) Received: by rv-out-0506.google.com with SMTP id f6so1286463rvb.43 for ; Sat, 14 Feb 2009 22:54:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type:content-transfer-encoding; bh=W0AEk9snJurA5DZnsUjoHEp2w0LoAwVTJypg2Gmz3eA=; b=v8+k2C3JJV7inNtZqvaoKT3H9WDdQrsMPEjxp7wtCcr/4cYyaw2UyF7ZNurgWkcCwR u40HGgvuiG8Saq93T4L5YN1wZYVbOwl7K7oqatoTO2o2BHfGf+ADRXaSyfKxmq6riX+v Shz5lw8dLU8mv2dGiEJfXWFWclPOeyJavdu9k= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=YKwB5p9WPFBDSSJtCo8U8V0pR0Nsbid6eck2w9ekVyQz7isDrygi1X38I7TZPvfdCE 9wnUbWXJjUZ5H2xvjh3e4Jn+gw0TElZv5rDuLEhCQJQgJeNnv49OJEJBIIWgiZ4YkwoJ VCMkOa1pDn1vsytbtrxCJ/QQZMSSHgdvygD84= MIME-Version: 1.0 Sender: mat.macy@gmail.com Received: by 10.141.48.6 with SMTP id a6mr154894rvk.36.1234680845217; Sat, 14 Feb 2009 22:54:05 -0800 (PST) In-Reply-To: References: <3c1674c90902101130r58c05f07we473c0897fe29481@mail.gmail.com> Date: Sat, 14 Feb 2009 22:54:05 -0800 X-Google-Sender-Auth: eb622a01e4be7a56 Message-ID: <3c1674c90902142254w62aee712j8ae9010361ec5d2a@mail.gmail.com> From: Kip Macy To: Kai Mosebach Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-xen Subject: Re: domU page faults under heavy network load X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 15 Feb 2009 06:54:06 -0000 Is this a recent version of HEAD? I'm not able to reproduce. <...> thru: 1947.346ms at 32.9MB/s ( 27.8MB/s avg) 3.3GB thru: 1946.356ms at 32.9MB/s ( 27.9MB/s avg) 3.4GB thru: 1946.910ms at 32.9MB/s ( 27.9MB/s avg) 3.4GB <...> Maybe some variation in the options? Thanks, Kip On Tue, Feb 10, 2009 at 11:40 AM, Kai Mosebach wrote: > 1024meg > > > On 2/10/09 8:30 PM, "Kip Macy" wrote: > >> How big is the memory allocation to the VM? >> >> Thanks, >> Kip >> >> >> On Tue, Feb 10, 2009 at 7:59 AM, Kai Mosebach wrote: >>> Hi, >>> >>> running r188436M on Xen3.3.1 (Centos5, x86_64). The reason is not to clear >>> but seems related to heavy load on pipes + memory + network? >>> It is repeatable with : >>> >>> bsd8# dd if=/dev/zero | nc otherhost 12345 >>> >>> Fatal trap 12: page fault while in kernel mode >>> cpuid = 0; apic id = 00 >>> fault virtual address = 0xd216dd00 >>> fault code = supervisor read, page not present >>> instruction pointer = 0x21:0xc02e4d40 >>> stack pointer = 0x29:0xc332aba8 >>> frame pointer = 0x29:0xc332abfc >>> code segment = base 0x0, limit 0xfffff, type 0x1b >>> = DPL 1, pres 1, def32 1, gran 1 >>> processor eflags = interrupt enabled, resume, IOPL = 0 >>> current process = 12 (irq137: xn) >>> [thread pid 12 tid 100025 ] >>> Stopped at xlvbd_add+0x2f70: movl 0x900(%edx,%eax,4),%edx >>> db> bt >>> >>> >>> >>> On otherhost i get some stuff (between 19 and 62 MB), after nc closes down >>> eventually >>> >>> otherhost# nc -l 12345 | cpipe -vt -b 65535 >/dev/null >>> ... >>> thru: 108930.791ms at 184.3kB/s ( 184.3kB/s avg) 19.6MB >>> >>> best Kai >>> _______________________________________________ >>> freebsd-xen@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-xen >>> To unsubscribe, send any mail to "freebsd-xen-unsubscribe@freebsd.org" >>> > > >