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sysctl_net_inet_tcp_ident panic


I have an amd64 system running netbsd-6 from 2-September-2013. Today, while a few machines were scp'ing, this happened:

uvm_fault(0xfffffe80c01971d0, 0x0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff804a9fbf cs 8 rflags 10246 cr2 44 cpl 0 rsp ffff8001229c8960
panic: trap
cpu2: Begin traceback...
printf_nolog() at netbsd:printf_nolog
startlwp() at netbsd:startlwp
alltraps() at netbsd:alltraps+0x96
sysctl_net_inet_tcp_ident() at netbsd:sysctl_net_inet_tcp_ident+0x3ee
sysctl_dispatch() at netbsd:sysctl_dispatch+0xb2
sys___sysctl() at netbsd:sys___sysctl+0xeb
syscall() at netbsd:syscall+0xc4
cpu2: End traceback...

dumping to dev 0,1 offset 212671
dump succeeded


Strangely, it took a while for the system to come up afterwards (I wasn't there, and the filesystem is journaled), but eventually it did.

Any ideas?


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