[patch] VirtualBox-4.0.14 + FreeBSD/CURRENT + VIMAGE: crash on vm shutdown

Mikolaj Golub trociny at freebsd.org
Mon Mar 19 18:48:17 UTC 2012


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

-- 
Mikolaj Golub

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