id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 3688,PAX-related trace in dmesg on Gentoo AMD64,youngage,,"Commands issued: {{{ youngage ~ $ rmmod vboxdrv youngage ~ $ rmmod vboxnetflt youngage ~ $ modprobe vboxdrv youngage ~ $ modprobe vboxnetflt youngage ~ $ VBoxManage createvm -name Test -register VirtualBox Command Line Management Interface Version 2.2.0 (C) 2005-2009 Sun Microsystems, Inc. All rights reserved. Virtual machine 'Test' is created and registered. UUID: 0c260006-0eef-4a15-bdad-b07ef31f5485 Settings file: '/root/.VirtualBox/Machines/Test/Test.xml' youngage ~ $ VBoxHeadless -s Test VirtualBox Headless Interface 2.2.0 (C) 2008-2009 Sun Microsystems, Inc. All rights reserved. Listening on port 3389 }}} dmesg: {{{ [ 113.355487] vboxdrv: Trying to deactivate the NMI watchdog permanently... [ 113.355492] vboxdrv: Successfully done. [ 113.355494] vboxdrv: Found 1 processor cores. [ 113.355626] VBoxDrv: dbg - g_abExecMemory=ffffffffa01c1000 [ 113.355674] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'. [ 113.355676] vboxdrv: Successfully loaded version 2.2.0 (interface 0x000a0009). [ 117.444748] VBoxNetFlt: dbg - g_abExecMemory=ffffffffa0360000 [ 349.179253] PAX: From 89.245.105.223: VBoxHeadless:8353, uid/euid: 0/0, attempted to modify kernel code [ 349.179522] BUG: unable to handle kernel paging request at ffffffffa01cfc00 [ 349.179757] IP: [] 0xffffffffa01cfc00 [ 349.179950] PGD 721067 PUD 72a063 PMD 7dab2063 PTE 800000007d163163 [ 349.180005] Oops: 0011 [#1] SMP [ 349.180005] last sysfs file: /sys/class/net/vboxnet0/address [ 349.180005] CPU 0 [ 349.180005] Modules linked in: vboxnetflt vboxdrv k8temp [last unloaded: vboxdrv] [ 349.180005] Pid: 8353, comm: VBoxHeadless Not tainted 2.6.28-hardened-r7 #3 [ 349.180005] RIP: 0010:[] [] 0xffffffffa01cfc00 [ 349.180005] RSP: 0018:ffff88007d183db0 EFLAGS: 00010286 [ 349.180005] RAX: ffffffffa01cfc00 RBX: ffffffffa01c1070 RCX: ffffffffa01cfd70 [ 349.180005] RDX: ffffffffa01c10e0 RSI: ffffffffa01cfd80 RDI: ffffffffa01d0810 [ 349.180005] RBP: ffffc20001785010 R08: 000000000000f730 R09: 00000000ffffffff [ 349.180005] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 349.180005] R13: ffffffffa03435a0 R14: 0000000000000494 R15: ffff88007d102810 [ 349.180005] FS: 00000000406f4950(0063) GS:ffffffff80bad040(0000) knlGS:0000000000000000 [ 349.180005] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 349.180005] CR2: ffffffffa01cfc00 CR3: 0000000075183000 CR4: 00000000000006e0 [ 349.180005] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 349.180005] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 349.180005] Process VBoxHeadless (pid: 8353, threadinfo ffff88007d182000, task ffff88007d0fa680) [ 349.180005] Stack: [ 349.180005] ffffffffa034ba8b 8000000000000163 0000000000005686 ffffc20001785078 [ 349.180005] ffffc200017e1478 0000000000065018 0000000000000000 0000000000065018 [ 349.180005] 0000000000005686 000072ba9beab010 ffffffffa034e66f ffff88007519f600 [ 349.180005] Call Trace: [ 349.180005] [] ? 0xffffffffa034ba8b [ 349.180005] [] ? 0xffffffffa034e66f [ 349.180005] [] ? 0xffffffffa0348231 [ 349.180005] [] ? 0xffffffff802880f5 [ 349.180005] [] ? 0xffffffff802afbfe [ 349.180005] [] ? 0xffffffff802affc2 [ 349.180005] [] ? 0xffffffff802b005a [ 349.180005] [] ? 0xffffffff80218c4b [ 349.180005] Code: f7 c3 cc cd f8 c3 cc cd f9 c3 cc cd fa c3 cc cd fb c3 cc cd fc c3 cc cd fd c3 cc cd fe c3 cc cd ff c3 cc cc cc cc 90 90 90 90 90 <55> 48 89 e5 53 48 83 ec 08 e8 62 49 ff ff 85 c0 89 c3 78 66 e8 [ 349.180005] RIP [] 0xffffffffa01cfc00 [ 349.180005] RSP [ 349.180005] CR2: ffffffffa01cfc00 [ 349.180005] ---[ end trace 216d471fba277aea ]--- }}} Abort VBoxHeadless with CTRL+C and type: {{{ youngage ~ $ VBoxTunctl Set 'tap0' persistent and owned by uid 0 youngage ~ $ VBoxManage modifyvm Test --nic1 bridged --bridgeadapter1 tap0 VirtualBox Command Line Management Interface Version 2.2.0 (C) 2005-2009 Sun Microsystems, Inc. All rights reserved. youngage ~ $ VBoxHeadless -s Test VirtualBox Headless Interface 2.2.0 (C) 2008-2009 Sun Microsystems, Inc. All rights reserved. Listening on port 3389 }}} But despite the message the port is not open and the VM is not stoppable by VBoxManage controlvm Test poweroff. PAX was configured by Gentoo Portage: {{{ paxctl -v /opt/VirtualBox/VBoxHeadless PaX control v0.5 Copyright 2004,2005,2006,2007 PaX Team - PaX flags: -----m-x-e-- [/opt/VirtualBox/VBoxHeadless] MPROTECT is disabled RANDEXEC is disabled EMUTRAMP is disabled }}} Issuing ""paxctl -pemcxs /opt/VirtualBox/VBoxHeadless"" made no difference.",defect,closed,host support,VirtualBox 2.2.0,duplicate,,,other,Linux