Hi Team,
We have manually given the NMI signal and server crash dump was generated but after crash dump server got Reconciling deferred dump message and it was unresponsive after that, we have waited for 20 mins but it was unresponsive. we got some document for Reconciling deferred dump but there was no configuration available for that. Please suggest how to save crash dump with NMI signal.
Server:- X4170
OS:- 11.3
logs:-
root@EMS-BGF-SERVER:~#
root@EMS-BGF-SERVER:~#
panic[cpu0]/thread=fffffffc80005b40: NMI received
fffffffc80005870 pcplusmp:apic_nmi_intr+6d ()
fffffffc800058a0 unix:av_dispatch_nmivect+2f ()
fffffffc800058b0 unix:nmiint+152 ()
fffffffc800059e0 unix:inb+6 ()
fffffffc80005a10 unix:cpu_acpi_read_port+1d ()
fffffffc80005a90 unix:acpi_cpu_cstate+27d ()
fffffffc80005ae0 unix:cpu_acpi_idle+cb ()
fffffffc80005af0 unix:cpu_idle_adaptive+19 ()
fffffffc80005b20 unix:idle+11a ()
fffffffc80005b30 unix:thread_start+8 ()
syncing file systems... done
Preserving kernel image in RAM, content: kernel sections: zfs
0:00 1% done (kernel)
0:00 2% done (kernel)
0:00 3% done (kernel)
0:00 4% done (kernel)
0:00 5% done (kernel)
0:00 6% done (kernel)
0:01 7% done (kernel)
0:01 8% done (kernel)
0:01 9% done (kernel)
0:01 10% done (kernel)
0:01 11% done (kernel)
0:01 12% done (kernel)
0:01 13% done (kernel)
0:01 14% done (kernel)
0:01 15% done (kernel)
0:01 16% done (kernel)
0:01 17% done (kernel)
0:01 18% done (kernel)
0:01 19% done (kernel)
0:01 20% done (kernel)
0:01 21% done (kernel)
0:01 22% done (kernel)
0:01 23% done (kernel)
0:01 24% done (kernel)
0:01 25% done (kernel)
0:01 26% done (kernel)
0:01 27% done (kernel)
0:01 28% done (kernel)
0:01 29% done (kernel)
0:01 30% done (kernel)
0:01 31% done (kernel)
0:01 32% done (kernel)
0:01 33% done (kernel)
0:01 34% done (kernel)
0:01 35% done (kernel)
0:01 36% done (kernel)
0:01 37% done (kernel)
0:01 38% done (kernel)
0:01 39% done (kernel)
0:01 40% done (kernel)
0:01 41% done (kernel)
0:01 42% done (kernel)
0:01 43% done (kernel)
0:01 44% done (kernel)
0:01 45% done (kernel)
0:01 46% done (kernel)
0:01 47% done (kernel)
0:01 48% done (kernel)
0:01 49% done (kernel)
0:01 50% done (kernel)
0:01 51% done (kernel)
0:01 52% done (kernel)
0:01 53% done (kernel)
0:01 54% done (kernel)
0:01 55% done (kernel)
0:01 56% done (kernel)
0:01 57% done (kernel)
0:01 58% done (kernel)
0:02 59% done (kernel)
0:02 60% done (kernel)
0:02 61% done (kernel)
0:02 62% done (kernel)
0:02 63% done (kernel)
0:02 64% done (kernel)
0:02 65% done (kernel)
0:02 66% done (kernel)
0:02 67% done (kernel)
0:02 68% done (kernel)
0:02 69% done (kernel)
0:02 70% done (kernel)
0:02 71% done (kernel)
0:02 72% done (kernel)
0:02 73% done (kernel)
0:02 74% done (kernel)
0:02 75% done (kernel)
0:02 76% done (kernel)
0:02 77% done (kernel)
0:02 78% done (kernel)
0:02 79% done (kernel)
0:02 80% done (kernel)
0:02 81% done (kernel)
0:02 82% done (kernel)
0:02 83% done (kernel)
0:02 84% done (kernel)
0:02 85% done (kernel)
0:02 86% done (kernel)
0:02 87% done (kernel)
0:02 88% done (kernel)
0:02 89% done (kernel)
0:02 90% done (kernel)
0:02 91% done (kernel)
0:02 92% done (kernel)
0:02 93% done (kernel)
0:02 94% done (kernel)
0:02 95% done (kernel)
0:02 95% done (zfs)
0:02 96% done (zfs)
0:02 97% done (zfs)
0:02 98% done (zfs)
0:02 99% done (zfs)
0:02 100% done (zfs)
100% done: 1113823 (kernel) + 49333 (zfs) pages dumped, dump succeeded
rebooting...
cNOTICE: Verified previous kernel image
SunOS Release 5.11 Version 11.3 64-bit
Copyright (c) 1983, 2016, Oracle and/or its affiliates. All rights reserved.
Reconciling deferred dump: 10%..20%..30%..40%..50%..60%..70%..80%..90%..100% done.------------------Server was unresponsive after that.
Serial console stopped.
root@EMS-BGF-SERVER:~#
root@EMS-BGF-SERVER:~# dumpadm
Dump content : kernel with ZFS metadata
Dump device : /dev/zvol/dsk/rpool/dump (dedicated)
Savecore directory: /var/crash/EMS-BGF-SERVER/
Savecore enabled : yes
Save compressed : on
root@EMS-BGF-SERVER:~#
Regards
Ankit Dahiya