Bug ID 2228957: Chmand error - "munmap failed, with error: Invalid argument and errno: 22" after dossier log

Last Modified: Mar 03, 2026

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
17.1.3.1

Opened: Feb 25, 2026

Severity: 4-Minor

Symptoms

/var/log/ltm shows logs similar to below: chmand[5988]: 012a0004:4: CHMAN request (from get_dossier) for tag:19 failed chmand[5988]: 012a0003:3: munmap failed, with error: Invalid argument and errno: 22 chmand[5988]: 012a0004:4: CHMAN request (from DossierValidator) for tag:19 failed chmand[5988]: 012a0003:3: munmap failed, with error: Invalid argument and errno: 2 Journal shows chmand error is related to SMBiosDev.cpp Line 215 # journalctl -u chmand --no-pager -n 200 chmand[5988]: 012a0004:4: CHMAN request (from DossierValidator) for tag:19 failed chmand[5988]: 012a0003:3: munmap failed, with error: Invalid argument and errno: 22 : File SMBiosDev.cpp Line 215

Impact

These messages can be safely ignored.

Conditions

Device was rebooted or get_dossier was executed.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips