- VMWare snapshot converted to a .core file using "vmss2core-Linux64" utility fails to open even after a successful conversion and shows the following error message :
log: zero-size memory allocation! (called from 4e23f6)
- Manual retrace leads to the error shown below :
# crash vmss.core /usr/lib/debug/lib/modules/3.10.0-862.11.6.el7.x86_64/vmlinux crash 7.2.3 Copyright (C) 2002-2017 Red Hat, Inc. Copyright (C) 2004, 2005, 2006, 2010 IBM Corporation . </snip> . WARNING: cannot read linux_banner string crash: /usr/lib/debug/lib/modules/3.10.0-862.11.6.el7.x86_64/vmlinux and vmss.core do not match! Usage: crash [OPTION]... NAMELIST MEMORY-IMAGE[@ADDRESS] (dumpfile form) crash [OPTION]... [NAMELIST] (live system form) Enter "crash -h" for details.
- .core opened in the
--minimalmode leads to the same error as well.
- Guest OS on VMWare
- Observed on RHEL 7.5 kernels and above
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