• Some EX4400 switches running Junos 21.2R1 onwards may experience a kernel crash, resulting in continuous reboots. During this issue, SSH or console access becomes inaccessible, and the console displays the following log message: "g_vfs_done():gpt/junos[WRITE(offset= "

• EX4400 platforms running Junos 21.2R1 onwards may encounter kernel crashes.
• SSH or console access becomes unavailable after the issue occurs.
• The console log displays the message: "g_vfs_done():gpt/junos[WRITE(offset= "
• Once the problem occurs, SSH and console login may not be feasible.
• It is recommended to record events leading to the problem if a terminal is open to the console and directed to a file. Gathering information from the system after the issue occurs may not be possible.

• To resolve the issue, follow these restoration steps: Power-cycle the affected EX4400 switch.
• The issue has been addressed in the following JunOS software releases:

21.2R2-S2

21.2R3

21.3R1-S1

21.3R2

21.4R1

21.4R2

22.1R1