[Differential] [Commented On] D1944: PF and VIMAGE fixes

Sat May 16 23:23:14 UTC 2015

rodrigc added a comment.

I can confirm that:

  kldunload -f pf.ko

does work to unload the module.  That is good.

I saw this warning message in dmesg:

  lock order reversal: (sleepable after non-sleepable)
   1st 0xffffffff823b72e0 pf rulesets (pf rulesets) @ /opt2/branches/head/sys/modules/pf/../../netpfil/pf/pf_ioctl.c:321
   2nd 0xffffffff818f99a0 umadrain (umadrain) @ /opt2/branches/head/sys/vm/uma_core.c:2109
  KDB: stack backtrace:
  db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe04639fd310
  witness_checkorder() at witness_checkorder+0xe26/frame 0xfffffe04639fd3a0
  _sx_slock() at _sx_slock+0x76/frame 0xfffffe04639fd3e0
  uma_zdestroy() at uma_zdestroy+0x23/frame 0xfffffe04639fd400
  pf_normalize_cleanup() at pf_normalize_cleanup+0x26/frame 0xfffffe04639fd420
  pf_vnet_uninit() at pf_vnet_uninit+0x6e7/frame 0xfffffe04639fd8c0
  vnet_deregister_sysuninit() at vnet_deregister_sysuninit+0x9c/frame 0xfffffe04639fd900
  linker_file_unload() at linker_file_unload+0x45e/frame 0xfffffe04639fd950
  kern_kldunload() at kern_kldunload+0x12f/frame 0xfffffe04639fd9a0
  amd64_syscall() at amd64_syscall+0x27f/frame 0xfffffe04639fdab0
  Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe04639fdab0

If possible, it would be good to clean that up.

REVISION DETAIL
  https://reviews.freebsd.org/D1944

EMAIL PREFERENCES
  https://reviews.freebsd.org/settings/panel/emailpreferences/

To: nvass-gmx.com, bz, zec, trociny, glebius, rodrigc, kristof, gnn
Cc: julian, robak, freebsd-virtualization, freebsd-pf, freebsd-net