Re: Bug#926539: rootskel: steal-ctty no longer works on at least sparc64

[John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>]

Hi Ben!

On 4/7/19 1:53 AM, Ben Hutchings wrote:
>> root@landau:~# cat /proc/consoles 
>> ttyHV0               -W- (EC p  )    4:64
>> tty0                 -WU (E     )    4:1
>> root@landau:~# readlink /sys/dev/char/4:64
>> ../../devices/root/f0299a70/f029b788/tty/ttyS0
> 
> The inconsistent name seems like a kernel bug...

Yes. I'm trying to convince Dave Miller to fix this.

Do you think we could carry a patch in src:linux for the time being?

>> root@landau:~#
>>
>> And this is what used to make it work [1]:
>>
>> 	    *) # >= 2.6.38
>> 		console_major_minor="$(get-real-console-linux)"
>> 		console_raw="$(readlink "/sys/dev/char/${console_major_minor}")"
>> 		console="${console_raw##*/}"
>> 		;;
> 
> So maybe rootskel should use that again, but applied to each console's
> char device number.
> 
> (Though directly using the symlinks under /dev/char seems cleaner than
> poking in sysfs.)

I agree.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
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