Messages in this thread | | | Date | Wed, 18 Jun 2003 20:36:53 -0400 | From | Adam Kropelin <> | Subject | Re: kernel 2.4.21 crash |
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On Wed, Jun 18, 2003 at 11:40:20PM +0100, Dave Bentham wrote: > However, I think I need some advice on setting up the serial console. I > have attached another PC (WinXP with HyperTerminal) serially to my panic > Linux PC. Following the Remote Terminal HOWTO I have achieved some > success... but all I see on HyperTerminal is: > > LILO 22.3.2 boot: > Loading Linux_2.4.21................ > BIOS data check successful
That output is from LILO...
> Mandrake Linux release 9.0 (dolphin) for i586 > Kernel 2.4.21 on an i686 / ttyS0 > telekon.davesnet login:
...and that bit is from the getty launched in /etc/inittab.
> a few progress-dots: I'm missing the main kernel blurb (its all on the > attached monitor), and also the panic stuff appears only on the attached > monitor.
Yeah, the kernel's serial console isn't kicking in.
> Excerpt of butchered lilo.conf
<snip>
> image = /boot/vmlinuz-2.4.21 > root = /dev/hda3 > label = Linux_2.4.21 > read-only > # vga=788 > append = "devfs=mount hdd=ide-scsi console=tty0 console=ttyS0,9600n8"
That looks basically right. The kernel you're running may not be compiled with serial console support. Also, you might want to swap the order of the two console= options so that /dev/console refers to your real virtual console, but that shouldn't keep the serial console from working. You might try dropping the 'n8'...I don't use it here although it is documented. I vaguely recall having problems that went away when I stopped (redundantly) specifying the character format --but that could be hogwash. My bet is the kernel not being built with serial console support.
--Adam
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