re: port-sparc/40629: kernel panic under high network load using pf (and ipv6)

[Hisashi T Fujinaka <htodd%twofifty.com@localhost>]

And again:

data fault: pc=0xf00582d0 addr=0xf4e10067 
sfsr=326<PERR=0,LVL=3,AT=1,FT=1,FAV,OW>
panic: kernel fault
Stopped in pid 26613.1 (perl) at        netbsd:cpu_Debugger+0x4:        or      
        %
o7, %g0, %g1
db> bt
cpu_Debugger(0xf02719c8, 0xf00582d0, 0xf4e10067, 0xf028c800, 0x104, 0xf02d3000) 
at netbsd:mem_access_fault4m+0x1d0
mem_access_fault4m(0x9, 0x326, 0xf4e10067, 0xf4e0f900, 0x20663d70, 0xe) at 
0xf0006254
0xf0006254(0xf4e0f9b8, 0x28, 0xf4e0f9b8, 0xc, 0x0, 0x0) at 
netbsd:pf_modulate_sack+0x50
pf_modulate_sack(0x0, 0x28, 0x77, 0xf4e0f9b8, 0xf06d8d48, 0xc) at 
netbsd:pf_test_state_tcp+0xb48
pf_test_state_tcp(0xf4e0fbe4, 0x1, 0xf0567e00, 0x1, 0x4410, 0x0) at 
netbsd:pf_test+0x9d4
pf_test(0x1, 0xf066ee48, 0xf4e0fcc4, 0x0, 0x6, 0x1) at netbsd:pfil4_wrapper+0x34 
pfil4_wrapper(0x0, 0xf4e0fcc4, 0xf3a9d408, 0x1, 0x0, 0x4) at netbsd:pfil_run_hooks+0x84
pfil_run_hooks(0xf05227c0, 0xf4e0fd7c, 0xf3a9d408, 0x1, 0x0, 0x0) at 
netbsd:ip_input+0x284
ip_input(0xf066ee48, 0xfe029010, 0x0, 0x0, 0x20663d70, 0xf02c5f50) at 
netbsd:ipintr+0x64
ipintr(0xf02c5c00, 0x10, 0x0, 0x10, 0x419010e2, 0x41901fe2) at 
netbsd:softint_overlay+0x1e8
softint_overlay(0xf499fbe4, 0x10, 0x1, 0x10, 0xf03b5470, 0x40) at 
netbsd:lwp_userret+0x1c8
lwp_userret(0xf4e21540, 0x8, 0x1, 0x1, 0xf4e0fdfc, 0x20757000) at 
netbsd:mem_access_fault4m+0x110
mem_access_fault4m(0x9, 0x306, 0xf4891020, 0xf4e0ffb0, 0xf4e0fdfc, 0x0) at 
0xf0006254
db>

--
Hisashi T Fujinaka - htodd%twofifty.com@localhost
BSEE(6/86) + BSChem(3/95) + BAEnglish(8/95) + MSCS(8/03) + $2.50 = latte