Dual Boot Detected

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Dual Boot Detected

L2 Linker

Hi All,

    Any idea why PA firewall does generate the below error? 

domain: 1
receive_time: 2020/06/25 08:34:48
actionflags: 0x0
type: SYSTEM
subtype: general
config_ver: 0
time_generated: 2020/06/25 08:28:13
dg_hier_level_1: 0
dg_hier_level_2: 0
dg_hier_level_3: 0
dg_hier_level_4: 0
vsys_id: 0
eventid: general
fmt: 0
id: 0
module: general
severity: high
opaque: detect_dual_boot_disk: stderr: res = pat.group(1).strip('"')
opaque: detect_dual_boot_disk: stderr: getLabelCount()

opaque: detect_dual_boot_disk: stderr: File /etc/masterd.d/first-load/post-sysd-up/detect_dual_boot_disk, line 34, in
opaque: detect_dual_boot_disk: stderr: File /etc/masterd.d/first-load/post-sysd-up/detect_dual_boot_disk, line 21, in getLabelCount

opaque: detect_dual_boot_disk: stderr: AttributeError: 'NoneType' object has no attribute 'group'

Sourav Saha

Community Team Member

Hi @Sourav_Saha ,


No idea.  I couldn't find a reference in our database either.

You might have luck opening a support case to have more information.




LIVEcommunity team member, CISSP
Please help out other users and “Accept as Solution” if a post helps solve your problem !

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PA support said, it's a know issue and can be resolved by OS upgrade only. 


Sourav Saha




Yes that is correct.

Which PAN OS you are running?




Help the community: Like helpful comments and mark solutions.

now, it's 9.1.3 
we have updated OS last week. 


Sourav Saha

If the issue is a known issue, can you tell me what the bug-id is? I'm having the same problem.




If the issue is a known issue, can you tell me what the bug-id is? I'm having the same problem.

I checked the addressed issues in 9.1.1-9.1.3, but couldn't find a matching bug ID.


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