Update repos/system_upgrade/common/actors/kernelcmdlineconfig/librari…

…es/kernelcmdlineconfig.py Co-authored-by: Petr Stodůlka <[email protected]>
oamg · Oct 18, 2024 · c40157d · c40157d
1 parent 461acdb
commit c40157d
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/repos/system_upgrade/common/actors/kernelcmdlineconfig/libraries/kernelcmdlineconfig.py b/repos/system_upgrade/common/actors/kernelcmdlineconfig/libraries/kernelcmdlineconfig.py
@@ -118,9 +118,18 @@ def report_multple_entries_for_default_kernel():
         )
     else:
         report_hint = (
-            'After the system has been rebooted into the new version of RHEL, you'
-            ' should set the correct kernel cmdline arguments using the grub2-editenv'
-            ' command and reboot the system to apply them.'
+            'After the system has been rebooted into the new version of RHEL,'
+            ' check that configured default kernel cmdline arguments are set as expected, using'
+            ' the `grub2-editenv list` command. '
+            ' If different default arguments are expected, update them using grub2-editenv.\n'
+            ' For example, let's say that current booted kernel has correct kernel cmdline arguments and'
+            ' /proc/cmdline contains:\n\n'
+            '    BOOT_IMAGE=(hd0,msdos1)/vmlinuz-4.18.0-425.3.1.el8.x86_64'
+            ' root=/dev/mapper/rhel_ibm--root ro console=tty0'
+            ' console=ttyS0,115200 rd_NO_PLYMOUTH\n\n'
+            ' then run the following grub2-editenv command:\n\n'
+            '    # grub2-editenv - set "kernelopts=root=/dev/mapper/rhel_ibm--root'
+            ' ro console=tty0 console=ttyS0,115200 rd_NO_PLYMOUTH"'         
         )
 
     reporting.create_report([