Re: 14.0-CURRENT panic on boot, i386 VirtualBox client

On 04-01-23 11:24, Konstantin Belousov wrote:
> On Tue, Jan 03, 2023 at 11:38:55AM +0100, Floyd, Paul wrote:
>>
>> On 30/12/2022 01:54, Konstantin Belousov wrote:
>>>
>>> The backtrace is needed to make a further analysis.
>>
>>
>> Any suggestions for getting a backtrace? I get the panic booting either the
>> installer ISO or the VM image, both in VirtualBox.
> It should be there right after the panic message.  No idea how to take the
> virtual screen snapshot under VB.
> 
> Also it might be easier if you configure serial console and catch its output
> outside VB, but again I have no idea how to do that.

You can connect the vbox vm serial output to a hist pipe.

Here is the start of the panics

smist: found supported isa bridge Intel PIIX4 ISA bridge
panic: td 0x1d94840 stack 0x2424ee8 not in kstack VA 0x2420000 4
cpuid = 0
time = 1
KDB: stack backtrace:
db_trace_self_wrapper(0,1d94840,4,2424000,9,...) at 
db_trace_self_wrapper+0x28/frame 0x2424e9c
vpanic(1491c57,2424ed8,2424ed8,2424f9c,1415b35,...) at vpanic+0xf4/frame 
0x2424eb8
panic(1491c57,1d94840,2424ee8,2420000,4,...) at panic+0x14/frame 0x2424ecc
trap(2424fa8,0,0,0,0,...) at trap+0x975/frame 0x2424f9c
calltrap() at 0xffc0321f/frame 0x2424f9c
--- trap 0x9, eip = 0xa02, esp = 0xffe, ebp = 0 ---
KDB: enter: panic
panic: td 0x1d94840 stack 0x2424d90 not in kstack VA 0x2420000 4
cpuid = 0
time = 1
KDB: stack backtrace:
db_trace_self_wrapper(0,1d94840,4,2424000,3,...) at 
db_trace_self_wrapper+0x28/frame 0x2424d44
vpanic(1491c57,2424d80,2424d80,2424e48,1415b35,...) at vpanic+0xf4/frame 
0x2424d60
panic(1491c57,1d94840,2424d90,2420000,4,...) at panic+0x14/frame 0x2424d74
trap(2424e54,8,28,28,100,...) at trap+0x975/frame 0x2424e48
calltrap() at 0xffc0321f/frame 0x2424e48
--- trap 0x3, eip = 0x1042444, esp = 0x2424e94, ebp = 0x2424e94 ---
kdb_enter(1527748,1527748) at kdb_enter+0x34/frame 0x2424e94
vpanic(1491c57,2424ed8,2424ed8,2424f9c,1415b35,...) at 
vpanic+0x11f/frame 0x2424eb8
panic(1491c57,1d94840,2424ee8,2420000,4,...) at panic+0x14/frame 0x2424ecc
trap(2424fa8,0,0,0,0,...) at trap+0x975/frame 0x2424f9c
calltrap() at 0xffc0321f/frame 0x2424f9c