Here is the detail of configuring PanicDump
Here is the detail of configuring PanicDump
- Subject: Here is the detail of configuring PanicDump
- From: Prokash Sinha <email@hidden>
- Date: Wed, 24 Aug 2016 08:34:53 -0700
Configure the server side
738 ls /PanicDumps/
739 sudo chown root:wheel /PanicDumps
740 sudo chmod 1777 /PanicDumps
741 sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.kdumpd.plist
742 sudo launchctl list | grep dump — to get that kdumpd is enabled
743 ifconfig -- to get the ip to be used in the client
— Configure the client
CNTL+R or CMD+R to get to reboot on recovery mode.
once in recovery mode, open terminal from utility menu.
# csrutil disable
#reboot
--- Now configure the client
# sudo nvram boot-args="debug=0xd44 _panicd_ip=<ip of the server>”
# reboot
# nvram boot-args
Or even
# sudo nvram boot-args="debug=0xd44 _panicd_ip=<ip of the server> kdp_match_name=en0 _router_ip=<router IP addr>”
reboot
$sudo dtrace -w -n “BEGIN{ panic();}”
Takes the client to Halt mode, but don’t see any progress bar of data being transferred. Wireshark/pcap does not show anything.
Server to client -
PING 10.34.200.171 (10.34.200.171): 56 data bytes
64 bytes from 10.34.200.171: icmp_seq=0 ttl=64 time=165.644 ms
64 bytes from 10.34.200.171: icmp_seq=1 ttl=64 time=820.634 ms
64 bytes from 10.34.200.171: icmp_seq=2 ttl=64 time=8.032 ms
64 bytes from 10.34.200.171: icmp_seq=3 ttl=64 time=569.325 ms
64 bytes from 10.34.200.171: icmp_seq=4 ttl=64 time=1.223 ms
64 bytes from 10.34.200.171: icmp_seq=5 ttl=64 time=91.462 ms
64 bytes from 10.34.200.171: icmp_seq=6 ttl=64 time=1.321 ms
64 bytes from 10.34.200.171: icmp_seq=7 ttl=64 time=213.236 ms
64 bytes from 10.34.200.171: icmp_seq=8 ttl=64 time=27.520 ms
Request timeout for icmp_seq 9
64 bytes from 10.34.200.171: icmp_seq=9 ttl=64 time=1127.781 ms
Likewise client to server ping goes fine.
I just want to see if there is a way to find out if the packets are being sent to server for the dump data.
What, if any I am missing.
TIA,
Prokash
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