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<pre>PTY allocation request failed on channel 0
-ash: a: unknown operand</pre>
 
=== CONFIG_TMPFS_POSIX_ACL ===
 
''' About'''
 
''Support POSIX Access Control Lists (ACLs) for tmpfs-based filesystems.''
 
[https://cateee.net/lkddb/web-lkddb/TMPFS_POSIX_ACL.html Read more...]
 
'''pmOS specific'''
 
This is needed for some UIs (phosh) to be able to control bluetooth.
=== CONFIG_VT ===
Needed for the default cryptsetup cipher in pmbootstrap (<code>aes-xts-plain64</code>) ({{issue|1940}})
 
=== CONFIG_SAMSUNG_TUI ===
 
'''About'''
 
''Provide methods for TUI such as acquisition of buffer to be used as secure frame buffer in Secure World and synchronization of display and touch device between Normal World and Secure World.''
 
'''Location in menu'''
 
<pre class="shell">
Device Drivers -->
Misc devices -->
TUI HW Handler
</pre>
 
'''pmOS specific'''
 
Needs to be disabled. Prevents device from booting.
 
=== CONFIG_SEC_RESTRICT_ROOTING ===
 
'''About'''
 
''Restrict unauthorized executions with root permission.''
 
'''Location in menu'''
 
<pre class="shell">
Kernel hacking -->
Samsung Rooting Restriction Feature
</pre>
 
'''pmOS specific'''
 
Needs to be disabled. Blocks user from gaining root permissions.
 
=== CONFIG_TZDEV ===
 
'''About'''
 
''Samsung TZ Based Secure OS interface driver''
 
'''Location in menu'''
 
<pre class="shell">
Device Drivers -->
Misc devices -->
Samsung TZ Based Secure OS Support
</pre>
 
'''pmOS specific'''
 
Needs to be disabled. Prevents device from booting.
== Optional ==
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