Re: some information for shadow 4.20.

On 8/13/26 5:00 PM, Joe Locash ([email protected] via blfs-dev Mailing List) wrote:
> On 8/13/26 4:04 PM, Bruce Dubbs ([email protected] via blfs-dev Mailing List) wrote:
>> On 8/13/26 2:43 PM, Pierre Labastie ([email protected] via blfs-dev Mailing 
>> List) wrote:
-- 

>>>> Yes,  'sudo su -  <userid>' does show the same problem.
>>>>

>>> Have you tried to set /proc/sys/dev/tty/legacy_tiocsti to 0, as said in
>>> one of the last comments of
>>> https://github.com/shadow-maint/shadow/issues/1704
>>> ?
>>>
>>> We could do that when mounting /proc

>> That also changes the value for the host. I don't know if that is an issue or not.
>>
>> I'm currently doing a full build with all tests and the latest shadow version.
>> I notice on my current kernel I have CONFIG_LEGACY_TIOCSTI=y so /proc/sys/dev/tty/ 
>> legacy_tiocsti is set to 1.  I didn't do that explicitly.  It probably depends on 
>> the host distro.
>>
>> I'll see what the results are when it's done.  I'm building at -j4 for timing so 
>> that will take a while. 

> I ran into this a few weeks ago. It's because CONFIG_LEGACY_TIOCSTI is enabled
> in the kernel. It should be safe to disable in the kernel. For running kernels
> set /proc/sys/dev/tty/legacy_tiocsti to 0.
> 
> For sysv you can add "dev.tty.legacy_tiocsti = 0" to /etc/sysctl.conf

I don't know why I am not seeing the problem.  I did a full jhalfs build with all
tests and everything appears to work OK with /proc/sys/dev/tty/legacy_tiocsti set to 1.

For instance gawk is installed right after shadow in Chapter 8 and the gawk tests do
   su tester -c "PATH=$PATH make check"

I checked logs/829-gawk-5.4.1 and test-logs/829-gawk-5.4.1.  The only indication of 
something wrong is the line: 'egrep: warning: egrep is obsolescent; using grep -E' 
which we know about and is only because gawk's tests have not been updated.  What I 
do see is "ALL TESTS PASSED".

Note: This really should be a part of lfs-dev, not blfs-dev.  Please answer at lfs-dev.

   -- Bruce

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