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 1CrseS-00034u-0b for user-mode-linux-devel@lists.sourceforge.net; Thu, 20 Jan 2005 22:52:12 -0800 Received: from [202.91.196.193] (helo=printsoft.com) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.41) id 1CrseR-0005un-8S for user-mode-linux-devel@lists.sourceforge.net; Thu, 20 Jan 2005 22:52:11 -0800 Received: from [192.168.4.162] (unknown [192.168.4.162]) by printsoft.com (linuxmail) with ESMTP id 6B066308011 for ; Fri, 21 Jan 2005 17:52:03 +1100 (EST) Message-ID: <41F0A696.8050201@printsoft.com> From: Gerhard Hannemann Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=======AVGMAIL-41F0A6975630=======" Subject: [uml-devel] UML - stalling during large file transfers 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: Fri, 21 Jan 2005 17:52:06 +1100 To: user-mode-linux-devel@lists.sourceforge.net --=======AVGMAIL-41F0A6975630======= Content-Type: multipart/alternative; boundary=------------020607060100020902000300 --------------020607060100020902000300 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Encountered a baffling problem while copying large amounts of files from a archive (*.tbz) or from a remote system to a directory within a running UML system. The UML stalls while the IDE hardrive thrashes along for server minutes. It recovers, continues on with some more files, and stall again. While this is happening, all maternity's connected to that UML just freeze. The host system is perfectly accessible and on show minimal CPU usages. A running top session within the UML also show low CPU and moderate memory usage. However the UML's load increases up to 3.x for several minutes and then recovers. System Data: Host: AMD Athlon 2.1Ghz running Gentoo using 2.6.9 kernel with skas3 patch. 1 SCSI 18G drive (boot drive) and one IDE 15G drive. 1G tmpfs UML: Vanilla 2.4.27 UML kernel (patched of UML usage) 3G file system and 512M swap. The UML is run using 512M of mem. The UML runs from the IDE drive. Thanks --------------020607060100020902000300 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Encountered a baffling problem while copying large amounts of files from a archive (*.tbz) or from a remote system to a directory within a running UML system. The UML stalls while the IDE hardrive thrashes along for server minutes. It recovers, continues on with some more files, and stall again. While this is happening, all maternity's connected to that UML just freeze.
The host system is perfectly accessible and on show minimal CPU usages. A running top session within the UML also show low CPU and moderate memory usage. However the UML's load increases up to 3.x for several minutes and then recovers.
System Data:
    Host:
    AMD Athlon 2.1Ghz running Gentoo using 2.6.9 kernel with skas3 patch.
    1 SCSI 18G drive (boot drive) and one IDE 15G drive.
    1G tmpfs
    UML:
    Vanilla 2.4.27 UML kernel (patched of UML usage)
    3G file system and 512M swap.
    The UML is run using 512M of mem.
    The UML runs from the IDE drive.

Thanks

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