Re: Kernel crash before login prompt

It looks like that exception is due to DPCPU_ID_PTR calculating an invalid pointer.

Can you print the contents of the dpcpu_off array, and the addresses of __start_set_pcpu and pcpu_entry_tdq.

Andrew

> On 28 Jun 2023, at 19:45, Sha Faisal <[email protected]> wrote:
> 
> Hello Andrew,
> Attached is the boot log,  also at the end I have pasted the remote gdb backtrace
>  
> Regards
> faisal
>  
> 
> 
> Juniper Business Use Only
> 
> From: Andrew Turner <[email protected] <mailto:[email protected]>>
> Date: Wednesday, 28 June 2023 at 20:47
> To: Sha Faisal <[email protected] <mailto:[email protected]>>
> Cc: [email protected] <mailto:[email protected]> <[email protected] <mailto:[email protected]>>, Steve Kiernan <[email protected] <mailto:[email protected]>>, Mahesh Vardhamanaiah <[email protected] <mailto:[email protected]>>
> Subject: Re: Kernel crash before login prompt
> 
> [External Email. Be cautious of content]
>  
>  
> On 28 Jun 2023, at 13:18, Sha Faisal <[email protected]> wrote:
>  
>  
> Hello FreeBSD team,
>  
> We have upgraded our FreeBSD kernel from 12 to main branch and with latest main branch one of our boxes with
> Broadcom iProc Northstar2 BCM5871X SoC (Quad-core ARM Cortex-A57 64-bit 2GHz ARMv8-A CPU architecture) is crashing at mtx_spin_lock_flags(), with data_abort exception.
> Sometimes the exception is raised at DPCPCU_PTR() functions.
>  
> Has anyone tried to boot freeBSD14 on the above mentioned BCM SoC? 
>  
> Please share your inputs and comment
>  
> I don’t know of any issues with either of these, and don’t know of anyone running FreeBSD on this SoC.
>  
> Can you provide more details on what is failing, e.g. the boot log?
>  
> Andrew
>