Re:_266656_–_tuning(7):_with_some_v ariations_from_default_sysctl_values,_starts_of _mail/thunderbird_are_slow,_and_kernel_panics _may_occur

From: Bjoern A. Zeeb <bzeeb-lists_at_lists.zabbadoz.net>
Date: Sun, 02 Oct 2022 22:13:20 UTC
On Sun, 2 Oct 2022, Graham Perrin wrote:

> On 30/09/2022 20:17, Bjoern A. Zeeb wrote:
>> On Wed, 28 Sep 2022, Graham Perrin wrote:
>> 
>>> With FreeBSD 13.1-RELEASE-p2 and the three non-default values at 
>>> <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266656#c0>, might any 
>>> of the modules below be partially associated with a kernel panic?
>>> 
>>> if_iwlwifi.ko
>>> if_iwm.ko
>>> iwm7265Dfw.ko
>>> 
>>> There's not yet information from a core dump, from the reporter of the 
>>> bug, so this question from me is a shot in the dark.
>> 
>> I followed up there;  if you read the information already provided
>> you can see that iwm(4) is used.  …
>
>
> Thanks.
>
> Panics aside, and defocusing from 266656: in cases where if_iwlwifi is not in 
> rc.conf(5) and if_iwlwifi.ko is loaded, is it reasonable to assume that the 
> end user chose to load the module, manually, after starting the OS?
>
> (Sorry, mind has gone blank, somewhat.)

Likely devd has loaded it on PCI ID match (along with iwm(4) with it is
an older chipset and usually iwm(4) will attach in that case but both
drivers will be loaded).

/bz

-- 
Bjoern A. Zeeb                                                     r15:7