From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1ChSxk-00017X-MN for user-mode-linux-devel@lists.sourceforge.net; Thu, 23 Dec 2004 05:25:04 -0800 Received: from dgate2.fujitsu-siemens.com ([217.115.66.36]) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.41) id 1ChSxi-0003em-TK for user-mode-linux-devel@lists.sourceforge.net; Thu, 23 Dec 2004 05:25:04 -0800 Message-ID: <41CAC727.9030102@fujitsu-siemens.com> From: Bodo Stroesser MIME-Version: 1.0 Subject: [Fwd: Re: [uml-devel] Memory corruption/errors?] Content-Type: multipart/mixed; boundary="------------010501010801080700030202" Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Thu, 23 Dec 2004 14:24:55 +0100 To: user-mode-linux devel Cc: Peter This is a multi-part message in MIME format. --------------010501010801080700030202 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit I'm forwarding this to the list. Bodo --------------010501010801080700030202 Content-Type: message/rfc822; name="Re: [uml-devel] Memory corruption/errors?" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="Re: [uml-devel] Memory corruption/errors?" Received: from abgzex5e.abg.fsc.net ([172.25.159.229]) by ABGEX01E.abg.fsc.net with Microsoft SMTPSVC(6.0.3790.211); Thu, 23 Dec 2004 03:04:19 +0100 Received: from pdbzex1e.pdb.fsc.net ([172.25.96.71]) by abgzex5e.abg.fsc.net with Microsoft SMTPSVC(6.0.3790.211); Thu, 23 Dec 2004 03:04:18 +0100 Received: from trolli.pdb.fsc.net ([172.25.97.20]) by pdbzex1e.pdb.fsc.net with Microsoft SMTPSVC(6.0.3790.211); Thu, 23 Dec 2004 03:04:17 +0100 Received: from dgate2.fujitsu-siemens.com (pdbgate2d.pdb.fsc.net [172.25.96.91]) by trolli.pdb.fsc.net (8.11.6/8.11.6) with ESMTP id iBN24HA11889 for ; Thu, 23 Dec 2004 03:04:17 +0100 Received: from rimuhosting.com (69.90.33.248) by dgate2.fujitsu-siemens.com with ESMTP; 23 Dec 2004 03:04:17 +0100 X-SBRSScore: 3.5 X-BrightmailFiltered: true X-Brightmail-Tracker: AAAAAgAAA+sAAAPp X-IronPort-AV: i="3.88,83,1102287600"; d="scan'208"; a="1195965:sNHT21769836" Received: from [192.168.1.103] (port-222-152-51-26.fastadsl.net.nz [222.152.51.26]) (authenticated bits=0) by rimuhosting.com (8.12.8/8.12.8) with ESMTP id iBN23q5s015946 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 23 Dec 2004 02:03:57 GMT Message-ID: <41CA9812.2060505@rimuhosting.com> Date: Thu, 23 Dec 2004 23:04:02 +1300 From: Peter User-Agent: Mozilla Thunderbird 0.9 (X11/20041127) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Bodo Stroesser CC: Jeff Dike Subject: Re: [uml-devel] Memory corruption/errors? References: <63806.222.152.52.159.1103583370.squirrel@222.152.52.159> <41C963DC.8060401@fujitsu-siemens.com> <41C9D1F0.4000605@rimuhosting.com> <41C9E847.2060405@fujitsu-siemens.com> <41C9FD81.6000408@rimuhosting.com> <41CA0002.6050802@fujitsu-siemens.com> In-Reply-To: <41CA0002.6050802@fujitsu-siemens.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-Path: peter.spamcatcher@rimuhosting.com X-OriginalArrivalTime: 23 Dec 2004 02:04:18.0399 (UTC) FILETIME=[B5F81EF0:01C4E893] I really don't know what fxsr is. But I think I have it. My servers are dual proc xeons. 2.6.8.1 with skas3 v7 (mostly). # cat /proc/cpuinfo | grep fxsr flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid So you can only reproduce the problem when your use the sighandler? But when you use your patch the problem is not triggered (even with the sighandler)? I'd be happy to try a patch. I only have production machines at the moment, so I may not be able to restart one for a week or two until some new ones arrive. Regards, Peter Bodo Stroesser wrote: > Peter wrote: > >> I don't run TT mode UMLs. So, no I haven't tried that. >> >> I don't know about the sighandler. The program runs as it was listed. >> It is running on a 'regular' server (Debian, and/or WBL3) with other >> processes running. And the host servers happen to be running other >> UMLs. I don't know if that information helps. (i.e. can a sighandler >> in another process on the UML or on the host cause this problem?) >> >> I'd be happy to try out a skas patch - preferably if it just applied >> to the guest ;) To see if it fixes things or not. >> >> Regards, Peter >> > I could try to create a patch, just for testing. > What machine is your host? It probably has fxsr? > > Bodo --------------010501010801080700030202-- ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel