From mboxrd@z Thu Jan 1 00:00:00 1970 From: Charles Duffy Subject: Re: kvm-36 losing (tap-based) network connectivitymid-session Date: Wed, 29 Aug 2007 22:48:58 -0500 Message-ID: <46D63E2A.7040004@spamcop.net> References: <64F9B87B6B770947A9F8391472E032160D655FEC@ehost011-8.exch011.intermedia.net> Reply-To: charles-7s4ginpmXnFeoWH0uzbU5w@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Dor Laor Return-path: In-Reply-To: <64F9B87B6B770947A9F8391472E032160D655FEC-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Dor Laor wrote: > Can you try it without rtc (either use -no-rtc, I'm not sure we have > this flag or just rm /dev/rtc before you run the vm). Tried it (and -tdf) without effect. > What's your host HZ configuration? CONFIG_HZ=250 > If the above doesn't work, can you repeat the test with -no-kvm? -no-kvm segfaults immediately on startup. === Starting program: /usr/bin/kvm -no-kvm -kernel kernel-x86_64-2.6.20-gentoo-r8 -hda grubdisk.img [Thread debugging using libthread_db enabled] [New Thread 47987424286272 (LWP 13655)] Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal error, but for better emulation accuracy either use a 2.6 host Linux kernel or type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 47987424286272 (LWP 13655)] 0x0000000000000000 in ?? () (gdb) bt #0 0x0000000000000000 in ?? () #1 0x0000000000481e8b in cpu_x86_exec (env1=) at /usr/src/debug/app-emulation/kvm-36/kvm-36/qemu/cpu-exec.c:750 #2 0x0000000000409a6d in main_loop () at /usr/src/debug/app-emulation/kvm-36/kvm-36/qemu/vl.c:6311 #3 0x000000000040de7a in main (argc=0, argv=0x7fffba1c59c8) at /usr/src/debug/app-emulation/kvm-36/kvm-36/qemu/vl.c:7774 #4 0x00002ba4f12ea5e6 in __libc_start_main () from /usr/local/lib/libc.so.6 #5 0x0000000000405689 in _start () === ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/