Date: Tue, 11 Apr 2006 20:44:02 +0200 (CEST) From: Juergen Lock <nox@jelal.kn-bremen.de> To: freebsd-emulation@freebsd.org Subject: Re: qemu serial console Message-ID: <200604111844.k3BIi25Z043376@saturn.kn-bremen.de> In-Reply-To: <200604110015.k3B0FJIk022680@saturn.kn-bremen.de> References: <200604051404.k35E4QJw050394@lurza.secnetix.de>
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In article <200604110015.k3B0FJIk022680@saturn.kn-bremen.de> I wrioe: >In article <200604051404.k35E4QJw050394@lurza.secnetix.de> you write: >>Hi, >> >>I'm running the current version of qemu from the ports >>collection (i.e. 0.8.0_5) with RELENG_6 (i.e. 6.1-BETA4) >>on i386. Host and guest are both FreeBSD. >> >>Since the server is headless, I have to run qemu with >>the -nographic switch. Basically that shouldn't be a >>problem, because we're not using graphical applications. >> >>However, for out-of-band management, there must be a way >>to connect to the console of the guest system. According >>to the docs, "-serial stdio" should do the trick. But it >>does not, it's simply dead (no output). Then I tried >>"-serial file:foo", just to see if anything appears, but >>the file is just one byte which is zero. :-( >> >>In the guest, I have enabled it in /etc/ttys: >> >> ttyd0 "/usr/libexec/getty std.9600" vt100 on secure >> >>And /dev/ttyd0 exists: >> >> crw------- 1 root wheel 0, 55 Apr 5 15:57 ttyd0 >> >>And the getty is indeed running: >> >> 417 ?? I 0:00.02 /usr/libexec/getty std.9600 ttyd0 >> >>But the tty is reported as "??". Shouldn't that be "d0"? >> >>There are no error messages in any log file or dmesg. >>The virtual serial port is detected fine in the guest: >> >> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 >> sio0: type 16450 >> >>Am I doing anything wrong? What do I miss? > >Try > ttyd0 "/usr/libexec/getty 3wire.9600" vt100 on secure You can also try the following patch (files/patch-hw-serial.c), which I just submitted on qemu-devel: Index: qemu/hw/serial.c @@ -356,6 +356,7 @@ s->irq = irq; s->lsr = UART_LSR_TEMT | UART_LSR_THRE; s->iir = UART_IIR_NO_INT; + s->msr = UART_MSR_DCD | UART_MSR_DSR | UART_MSR_CTS; register_savevm("serial", base, 1, serial_save, serial_load, s); @@ -440,6 +441,7 @@ s->irq = irq; s->lsr = UART_LSR_TEMT | UART_LSR_THRE; s->iir = UART_IIR_NO_INT; + s->msr = UART_MSR_DCD | UART_MSR_DSR | UART_MSR_CTS; s->base = base; s->it_shift = it_shift;
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