On 19.03.2012 20:48, Mikolaj Golub wrote:
Hi,

Here is a patch that fixes the issue I have been observing recently: running
on VIMAGE enabled kernel VirtualBox causes the kernel crash when vm
is powered
off:

ng_unref_node(8b156880,0,1,101,0,...) at ng_unref_node+0x74
ng_snd_item(8d060d40,0,8b0e18f0,0,0,...) at ng_snd_item+0x2a5
ng_send_fn(8b156880,0,8b0e18f0,0,0,...) at ng_send_fn+0x35
ng_rmnode_self(8b156880,89f840e0,8b0dbcc0,deec88cc,8b0d9ffa,...) at
ng_rmnode_self+0x4a

vboxNetFltOsDeleteInstance(89f84010,89f84014,89f84010,deec88ec,8b0da0f4,...)
at vboxNetFltOsDeleteInstance+0x63
vboxNetFltRelease(89f84010,0,0,0,89f84014,...) at vboxNetFltRelease+0x6a

vboxNetFltPortDisconnectAndRelease(89f84014,2710,87748bd4,87748bd4,deec8930,...)
at vboxNetFltPortDisconnectAndRelease+0x64
_end(8b15ed10,89f84210,877456b0,0,deec8990,...) at 0x8cffe057
SUPR0ObjRelease(8b15ed10,89f4b810,deec89c8,deec89a0,0,...) at
SUPR0ObjRelease+0x133
_end(8b15eb90,898a0e10,877456b0,0,89f4b810,...) at 0x8cffe4bb

supdrvCleanupSession(8162bac0,89f4b810,89f4b810,deec89f4,8160e52f,...)
at supdrvCleanupSession+0xef
supdrvCloseSession(8162bac0,89f4b810,8ceecb18,deec8a18,8ceecaa0,...)
at supdrvCloseSession+0x19
VBoxDrvFreeBSDClose(89ee6c00,3,2000,8adcc5c0,8adcc5c0,...) at
VBoxDrvFreeBSDClose+0x2f
devfs_close(deec8a78,8ceecaa0,80400,80f8caac,133,...) at devfs_close+0x2ca VOP_CLOSE_APV(81095960,deec8a78,80f8caac,133,2,...) at VOP_CLOSE_APV+0xda
vn_close(8ceecaa0,3,8b24b380,8adcc5c0,80f792e0,...) at vn_close+0x190
vn_closefile(89f8cd58,8adcc5c0,0,89f8cd58,0,...) at vn_closefile+0xe4
devfs_close_f(89f8cd58,8adcc5c0,0,0,89f8cd58,...) at devfs_close_f+0x35

_fdrop(89f8cd58,8adcc5c0,0,deec8b80,0,8adcc670,81273398,810a7620,89e50c2c,79d,80f7401d,deec8b90,80a2f81e,89e50c2c,8,80f7401d,79d,0,89f8cd58)
at _fdrop+0x43
closef(89f8cd58,8adcc5c0,79d,79a,8adcc670,...) at closef+0x2b0
fdfree(8adcc5c0,0,80f74dc6,107,deec8c18,...) at fdfree+0x3ea
exit1(8adcc5c0,0,deec8d1c,80db7aee,8adcc5c0,...) at exit1+0x57a
sys_sys_exit(8adcc5c0,deec8cec,80fd0bf8,80f53607,8adbf5c0,...) at
sys_sys_exit+0x1d
syscall(deec8d28) at syscall+0x2de
Xint0x80_syscall() at Xint0x80_syscall+0x21

Sorry for the late response and thanks for the patch. Is this patch
still required for 4.1.8? My guess is yes but it would be great if you
could confirm that with the latest port.

Do you aggree that this patch is under MIT License so that I can push
it upstream?

--
Bernhard Froehlich
http://www.bluelife.at/
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