From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=52177 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OtA39-00007H-M2 for qemu-devel@nongnu.org; Tue, 07 Sep 2010 22:06:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OtA34-0000XW-OJ for qemu-devel@nongnu.org; Tue, 07 Sep 2010 22:06:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:17514) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OtA34-0000XK-H1 for qemu-devel@nongnu.org; Tue, 07 Sep 2010 22:06:06 -0400 Date: Tue, 7 Sep 2010 18:39:10 -0300 From: Marcelo Tosatti Message-ID: <20100907213910.GA16686@amt.cnet> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] Re: Fwd: Guest hangs when I do general operation. List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Amos Kong Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Avi Kivity On Tue, Sep 07, 2010 at 10:43:38AM +0800, Amos Kong wrote: > ---------- Forwarded message ---------- > From: Amos Kong > Date: Tue, Sep 7, 2010 at 7:49 AM > Subject: Guest hangs when I do general operation. > To: =E7=8E=8B=E7=AE=AB >=20 >=20 > kvm upstream: 43e413f7db1a4a90671dda0b1d6c1f8cb30673ed KVM: Whitespace > changes to remove differences wrt kvm-updates/2.6.37 > qemu upstream: cb93bbdd7db92e50ff5e60a346b23df68acae46b Fix OpenBSD > linker warning >=20 > # ./x86_64-softmmu/qemu-system-x86_64 ~/win7-32.qcow2 -m 1024 -vnc :0 > -usbdevice tablet -cpu qemu64 -snapshot -enable-kvm -bios pc-bios/bios.= bin >=20 > Guest hangs when I do general operation. > It's fine when using upstream qemu-kvm. this problem only occurred > one time when I debug by gdb, after execute 'continue', guest runs > normally. >=20 > debug msg of (qemu + kvm) > (gdb) c > Continuing. >=20 > Program received signal SIGUSR2, User defined signal 2. > 0x00007fc7d4d7bfb3 in select () at ../sysdeps/unix/syscall-template.S:8= 2 > 82 =C2=A0 =C2=A0 =C2=A0../sysdeps/unix/syscall-template.S: No such file= or directory. > =C2=A0 =C2=A0 =C2=A0 =C2=A0in ../sysdeps/unix/syscall-template.S > (gdb) bt Try "handle SIGUSR2 nostop" in gdb before executing qemu-kvm.