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Cisco Bug: CSCvv48142 - Installer does not clean up bios programming error cleanly, logs double fault

Last Modified

Aug 25, 2020

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

8.2(2)

Description (partial)

Symptom:
The show system internal log install history internal ISSU error log records 2 different errors during Supervisor BIOS programming failure when only one should be logged:
<pre>
upgrade_atl_bios: upgrade_atl_bios: installing alt BIOS on module 6 failed: BIOS read/write lock not available (0x4071002E
process_install_start: process_install_start: failure_reason: 0x40930015
</pre>

Conditions:
This issue can only occur when a Supervisor BIOS upgrade fails under certain conditions.
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