Re: [Devil-Linux-discuss] Beep in serial mode

[Dominic R. <dl...@ed...>]

  From our 'non-serial box':

# cat /proc/cmdline
initrd=initrd.gz vga=773 BOOT_IMAGE=vmlinuz

But does /proc/cmdline show if serial console is enabled rather than 
whether it is actually attached?

Can you try this on a box booted without serial console attached (but 
with serial console enabled in inittab)?

Dominic

On 06/10/2010 14:45, mailing dl2 wrote:
> Maybe grep something in the file /proc/cmdline?
>
> > From one of my "serial box":
>
> # cat /proc/cmdline
> console=tty0 console=ttyS0,9600 initrd=initrd.gz vga=NORMAL_VGA
> BOOT_IMAGE=vmlinuz
>
> Regards.
>
> 2010/10/6 mailing dl2<mai...@gm...>:
>> I also think that using inittab is not the best way to do that.
>>
>> Having the serial console enabled in inittab does not mean that the DL
>> in "serial mode".
>> I always enable serial acces to our DL boxes even if they are not in
>> "serial mode".
>>
>> Anyway, I can still test it if you want.
>>
>>
>> 2010/10/6 Dominic Raferd<dl...@ed...>:
>>>   Yes I was hoping 'mailing dl2' might try it.
>>>
>>> There may be a better way to detect a serial console, if someone can
>>> suggest it. I chose this because it is the way used in install-on-usb
>>> (e.g. line 492), so it seemed likely to work.
>>>
>>> Dominic
>>>
>>> On 06/10/2010 13:31, Heiko Zuerker wrote:
>>>> I don't do serial mode, somebody else would have to test that.
>>>> Isn't there a better way than grep'ing the inittab to detect a serial console?
>>>>
>>>> Heiko
>>>>
>>>> Quoting Dominic Raferd<dl...@ed...>:
>>>>
>>>>>     Heiko found a problem that the new beeps were being called for all
>>>>> machines at boot time, not just those using serial. So please can I ask
>>>>> you, as a serial user, to test the fix by downloading the latest script
>>>>> in Mantis
>>>>> https://sourceforge.net/apps/mantisbt/devil-linux/view.php?id=90 and
>>>>> trying it. The only practical difference is that the line
>>>>>
>>>>> if [ "`tty`" = "/dev/console" ]; then
>>>>>
>>>>> is replaced with
>>>>>
>>>>> if grep "^S0:2345:respawn:/sbin/agetty" /etc/inittab>/dev/null; then
>>>>>
>>>>> Dominic
>>>>>
>>>>> On 06/10/2010 12:52, mailing dl2 wrote:
>>>>>> Hello,
>>>>>>
>>>>>> In the 1.4rc6 the new lines a commented in the /etc/init.d/beep scripts.
>>>>>>
>>>>>> So it does not work "out of the box".
>>>>>>
>>>>>> If you uncomment them it works.
>>>>>>
>>>>>> Thanks for the modifications.
>>>>>>> I added it to CVS.
>>>>>>> I didn't get a chance to validate it myself yet, so I hope this works. ;-)
>>>>>>> Heiko
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