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Ticket Resolution Summary Owner Reporter
#2871 fixed NetBSD panics in spllower when run under VirtualBox2.1 rak02
Description

When attempting to install the latest NetBSD (5.99.something), all kernel options (ACPI/APIC) ended up resulting in NetBSD doing a panic in spllower when it tried to do:

lock addl %eax,0(%eax)

because %eax is 0.

I don't know if this is a NetBSD problem or VirtualBox problem.

#2872 fixed Installing NetBSD 4.99 crashes VirtualBox 2.1 (recompiler cpu: triple fault) rak02
Description

Attempting to boot a non-APIC kernel resulted in this...

Crashed stack frames:

VBoxREM32.dll!6f845541()

[Frames below may be incorrect and/or missing, no symbols loaded for VBoxREM32.dll] VBoxREM32.dll!6f854431() VBoxREM32.dll!6f85447f() VBoxREM32.dll!6f8544f4() VBoxREM32.dll!6f85e50f() VBoxREM32.dll!6f85d61a() VBoxREM32.dll!6f8538b6() VBoxREM32.dll!6f841ae8() VBoxVMM.dll!016ee452() VBoxVMM.dll!016ef9c3() VBoxRT.dll!100273fd() VBoxVMM.dll!017041c1() VBoxVMM.dll!016e519d() VBoxRT.dll!100272f0() VBoxRT.dll!1000bf90() VBoxRT.dll!10027732() msvcr71.dll!7c349565() kernel32.dll!7c80b713()

With the aide of Visual Studio, I can get the disasembly of where it panic'd:

6F845501  mov         eax,6F8B3160h 
6F845506  mov         edx,6F8B37A3h 
6F84550B  mov         dword ptr [esp+8],eax 
6F84550F  mov         eax,10E5h 
6F845514  mov         dword ptr [esp+0Ch],edx 
6F845518  mov         dword ptr [esp+4],eax 
6F84551C  mov         dword ptr [esp],0 
6F845523  call        6F8ABB68 
6F845528  mov         dword ptr [esp+8],esi 
6F84552C  mov         dword ptr [esp+4],edi 
6F845530  mov         dword ptr [esp],6F8B3780h 
6F845537  call        6F8ABB60 
6F84553C  call        6F8ABB58 
6F845541  int         3     <<<<<<<<<<*********************
6F845542  nop              
6F845543  mov         eax,dword ptr ds:[6F8BC570h] 
6F845548  mov         ebx,dword ptr [eax+6F30h] 
6F84554E  cmp         byte ptr [ebx+13C2Ch],0 
6F845555  jne         6F845568 
6F845557  mov         dword ptr [esp],ebx 
6F84555A  mov         eax,0FFFFF703h 
6F84555F  mov         dword ptr [esp+4],eax 
6F845563  call        6F8AB8C8 
6F845568  mov         dword ptr [esp],ebx 
6F84556B  call        6F842DC0 
6F845570  jmp         6F845557 
#2873 fixed Kernel reports BUG: using smp_processor_id when VM shuts down. -> fixed in SVN Paul Kronenwetter
Description

Upon shutdown of a guest VM I see this block in /var/log/messages:

Dec 22 22:58:44 ex8185 BUG: using smp_processor_id() in preemptible [00000001] code: VirtualBox/8571
Dec 22 22:58:44 ex8185 caller is RTMpCpuId+0x8/0x3f [vboxdrv]
Dec 22 22:58:44 ex8185 Pid: 8571, comm: VirtualBox Tainted: P        2.6.24-tuxonice-r9 #1
Dec 22 22:58:44 ex8185 [<c0104fd5>] show_trace_log_lvl+0x1a/0x2f
Dec 22 22:58:44 ex8185 [<c0105948>] show_trace+0x12/0x14
Dec 22 22:58:44 ex8185 [<c01060fe>] dump_stack+0x6c/0x72
Dec 22 22:58:44 ex8185 [<c01f0500>] debug_smp_processor_id+0xa0/0xb4
Dec 22 22:58:44 ex8185 [<f9607d05>] RTMpCpuId+0x8/0x3f [vboxdrv]
Dec 22 22:58:44 ex8185 [<f93ab4b1>] 0xf93ab4b1
Dec 22 22:58:44 ex8185 [<f93b4a29>] 0xf93b4a29
Dec 22 22:58:44 ex8185 [<f93b548f>] 0xf93b548f
Dec 22 22:58:44 ex8185 [<f93b575c>] 0xf93b575c
Dec 22 22:58:44 ex8185 [<f9604af5>] supdrvIOCtl+0xdfe/0x1565 [vboxdrv]
Dec 22 22:58:44 ex8185 [<f9601161>] supdrvOSGetForcedAsyncTscMode+0x149/0x1fa [vboxdrv]
Dec 22 22:58:44 ex8185 [<c0180aee>] do_ioctl+0x22/0x67
Dec 22 22:58:44 ex8185 [<c0180d5b>] vfs_ioctl+0x228/0x23b
Dec 22 22:58:44 ex8185 [<c0180db0>] sys_ioctl+0x42/0x5a
Dec 22 22:58:44 ex8185 [<c0103fd6>] sysenter_past_esp+0x5f/0x85
Dec 22 22:58:44 ex8185 =======================

It doesn't appear to affect operation of the host or subsequent operation of the virtualization system.

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