Guest Logical Domains (LDoms) 2.x Running Solaris 10 May Panic in ldc:vnet_dring_entry_copy() During Live Migration
(Doc ID 1544675.1)
Last updated on JULY 06, 2023
Applies to:
Solaris Operating System - Version 10 3/05 to 10 8/11 U10 [Release 10.0]Oracle Solaris on SPARC (64-bit)
Symptoms
Note: The issue described in this document is different to the one described in "Logical Domains (LDoms) Manager (ldm(1M)) 1.2 Patch 142840-03 (WITHDRAWN) May Cause the Control Domain to Panic When the ldmd Service is Re-enabled [Doc ID 1021708.1]"
Should the issue described in the document be encountered, the Guest Domain will panic with a panic similar to one of the following panic strings:
- panic string: bad unexpected error from hypervisor call at TL 1
- panic string: BAD TRAP: type=30 rp=2a100f7b520 addr=0 mmu_fsr=4
Analysing the resulting crash dump within the Solaris Crash Dump Analysis Tool (SCAT) will show the following data for each of the panic strings. Both show calls to ldc:vnet_dring_entry_copy+0x9c (highlighted below)
panic string: bad unexpected error from hypervisor call at TL 1
Cause
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In this Document
| Symptoms |
| panic string: bad unexpected error from hypervisor call at TL 1 |
| panic string: BAD TRAP: type=30 rp=2a100f7b520 addr=0 mmu_fsr=4 |
| Cause |
| Solution |
| References |