Current panics on connecting disks to a LSI-3108 controller

[Willem Jan Withagen]

On 14-7-2020 07:45, Andriy Gapon wrote:
> On 14/07/2020 03:39, Willem Jan Withagen wrote:
>> And what I read from the manual page, mrsas plays even nicer with CAM which is a
>> plus.
> If by "nicer" you mean that mfi does not integrate with CAM at all, then you are
> right :-)
> Also, last I looked mfi has some pretty serious bugs in its direct interface to
> GEOM.  We've seen all kinds of crashes with mfi at work.
Right that was what I meant.
Disadvantage is that mfiutil no longer works.
But then if you JBOD, it does not really matter.
Unless it still uses caching for JBODs and then I'd like to know the 
state of the
battery.

> Whatever the reason why mrsas is not always preferred over mfi, it must pretty
> nebulous like POLA for existing users.  From technical point of view, mrsas
> appears to be superior

Right, the Pola argument...

Least it would warrant for is a warning in the mfi/mfiutil manpage that 
mrsas is a lot
more modern and that it should be prefered is user has no specific 
reason to select
mfi.

And perhaps it is too complicated in the build of the boot images for 
isos and sticks, but
there it would help a lot. Now booting with this controller and disk in 
the system leads to
a panic. And a heavy one which requires hard reset/power-cycle, since 
the console is dead.

--WjW