[Openvpn-users] TUN driver on Solaris crashes

[Chris Stankaitis <chris@xxxxxxxxxxx>]

Hi everyone, I am having a big problem on my Solaris boxes, (5.8 ya I
know old) if I ifconfig tun0 down it causes a panic... thus I can not
stop openvpn.. or restart it without rebooting the server.

anyone found a work around to this?

here is a dump of the kernel panic.

panic[cpu0]/thread=30001292ec0: BAD TRAP: type=31 rp=2a100764ff0 addr=10
mmu_fsr=0 occurred in module "tun" due to a NULL pointer dereference

ifconfig: trap type = 0x31
addr=0x10
pid=19250, pc=0x102bc324, sp=0x2a100764891, tstate=0x4480001600,
context=0x1d6a
g1-g7: 102bd578, 9, 64, 102bc000, 0, 0, 30001292ec0

000002a100764c00 unix:die+80 (31, 10, 10415270, 0, 2a100764ff0, de5ca010)
  %l0-3: 0000000000000008 0000030001451000 0000000000010000 0000000000000000
  %l4-7: 0000000010240f74 0000000000000000 0000000000000000 0000000081010100
000002a100764ce0 unix:trap+8b8 (0, 1, 5, 0, 2a100764ff0, 0)
  %l0-3: 0000000000000001 000003000151b9d8 00000300010a6ac8 0000000000000000
  %l4-7: 0000000000000031 0000030001388ab8 0000000000010000 0000000000000000
000002a100764e20 unix:sfmmu_tsb_miss+66c (104293b0, 0, 3000004bf88, 0,
3000004bf88, 19)
  %l0-3: 0000000000000000 0000000000000004 0000000000000004 000003100003f100
  %l4-7: 0000000000000000 0000000000000000 0000000000000000 0000000000000003
000002a100764f40 unix:prom_rtt+0 (30001bb2b40, 30001292ec0, 20,
3000151b8f8, 300010d82c0, 0)
  %l0-3: 0000000000000001 0000000000001400 0000004480001600 000000001001a8a4
  %l4-7: 000003000140a0d8 000003000140a058 0000000000000000 000002a100764ff0
000002a100765090 genunix:getq_noenab+208 (3000151b8f8, 30001bb2b40, 20,
3000151b8f8, 300004f211c, 4)
  %l0-3: 0000030001bb2b40 00000300004f2e20 0000000000000000 000003000151a9d8
  %l4-7: 00000300004f2ea0 00000300004f2e98 0000000000000001 00000300004f2e20
000002a100765140 genunix:qwriter_outer+1fc (3000151b8f8, 8, 102bc1dc, 0,
0, 30001bb2b40)
  %l0-3: 000003000151b8f8 00000300008c99a8 000003000151b9d8 00000300008c99a8
  %l4-7: 0000000000000000 0000000000000000 00000300004f2118 0000000000000000
000002a1007651f0 tun:tunwsrv+58 (3000151b8f8, 30001292ec0, 20, b000,
2200, 1)
  %l0-3: 0000000000000000 0000000000000000 0000000000000000 000003000151ba20
  %l4-7: 0000000000007fff 000000000000009f 0000000000000000 0000000000000000
000002a1007652a0 genunix:runservice+3c (2200, 2000, 20000, 100,
3000151b960, 3000151b8f8)
  %l0-3: 00000000102bd520 00000000ffbefb48 00000000ffbefb4c 0000000000705aac
  %l4-7: 000000000000001c 00000000ff2515a4 00000000000112ff 00000000ffbefab4
000002a100765350 genunix:queuerun+160 (10431e44, 30001292ec0,
3000151b8f8, 10474d08, 10431f58, 10472800)
  %l0-3: 000003000151b960 0000030001451000 0000000000010000 0000000000000000
  %l4-7: 0000000010240f74 0000000000000000 0000000000000000 0000000081010100
000002a100765400 genunix:strdoioctl+8bc (1, 3000140a0e2, 1, 30002c61718,
3000140a0e0, 0)
  %l0-3: 0000000000000c50 000003000140a058 000002a100765848 0000000000000c50
  %l4-7: 000003000140a0d8 0000000000003a98 00000300017ed840 0000000000000000
000002a100765500 genunix:strioctl+1730 (3000140a0d8, 0, 2a100765aec,
30000513628, 1, 3000137a678)
  %l0-3: 0000000000060db0 00000300014c4388 ffffffff80786974 0000000000100003
  %l4-7: 000003000140a0d8 000003000140a058 000002a100765aec 000003000137a598
000002a100765870 sockfs:sock_ioctl+c58 (5000, 300014c4408, 5303,
2a100765aec, 30000513628, 300014c4388)
  %l0-3: 00000300014c4388 ffffffff80786974 0000000000060db0 0000000000100003
  %l4-7: 000000000000007a 00000000ff070018 0000000000011808 0000000000000000
000002a1007659a0 genunix:ioctl+1e4 (30001433490, 3, 60db0, 0, 80786974,
60db0)
  %l0-3: 00000000102492fc 0000000000000000 0000000000000000 0000000000000000
  %l4-7: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

syncing file systems... 2 1 done
dumping to /dev/dsk/c0t0d0s1, offset 215154688
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