Re: Fatal trap 12 when booting with fuse in /boot/loader.conf

> On 23. Aug 2018, at 01:02, Per Gunnarsson <p.gunnarsson_at_yahoo.com> wrote:
> 
> Sorry for possibly mentioning this twice.
> 
> FreeBSD konjak 12.0-ALPHA2 FreeBSD 12.0-ALPHA2 #0 r338177: Wed Aug 22
> 08:46:40 CEST 2018    
> root_at_konjak:/usr/obj/usr/src/amd64.amd64/sys/GENERIC  amd64
> 
> /usr/src Revision: 338177
> 
> /usr/ports Revision: 477773
> 
> When I try to boot with the fuse module in /boot/loader.conf I get
> something like this:
> 
> Fatal trap 12:
> 
> ...
> 
> fault virtual address = 0xcd
> instruction pointer = 0x20:0xffffffff80eec062
> stack pointer = 0x20:0xffffffff8420e580
> frame pointer = 0x20:0xffffffff8420e670
> 
> ...
> 
> Then there is a prompt:
> db>
> 
> or something, but it doesn't respond to keyboard input and I have to reboot.
> 
> Somehow I managed to unload all modules from the boot prompt and reboot.
> After that, I rebooted without the fuse module in /boot/loader.conf and
> things work fine.
> 
> I have tried to boot again with fuse in /boot/loader.conf, and the first
> boot I get to a mountroot
> prompt which I am now reading up on.
> 
> Maybe this is the same as Michael Gmelin is working on.

Most likely that’s a different problem. Did you try to reinstall the fuse module from ports (make clean deinstall reinstall)? Can you check /boot for additional copies of the fuse module (recursively)? Does kldloading the fuse module after boot work?

Best,
Michael