Date: Wed, 16 Nov 2022 11:43:30 +0100 From: Gary Jennejohn <garyj@gmx.de> To: "freebsd-arch@freebsd.org" <freebsd-arch@freebsd.org> Subject: Re: Giant Locked drivers Message-ID: <20221116114330.5407311a@ernst.home> In-Reply-To: <CANCZdfo3VKyrQXx3-%2B52-XX53SbuMnDsXQhgb8GT=ZESaeyJ_w@mail.gmail.com> References: <CANCZdfrfNzb1O91T4ivMXPsUGu7mYX80pJxvQu07oe2AF=YXCw@mail.gmail.com> <Y3PR2GXR42LcdbDd@troutmask.apl.washington.edu> <CANCZdfo3VKyrQXx3-%2B52-XX53SbuMnDsXQhgb8GT=ZESaeyJ_w@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 15 Nov 2022 10:58:04 -0700 Warner Losh <imp@bsdimp.com> wrote: > On Tue, Nov 15, 2022 at 10:52 AM Steve Kargl < > sgk@troutmask.apl.washington.edu> wrote: > > > On Tue, Nov 15, 2022 at 10:37:36AM -0700, Warner Losh wrote: > [...] > [...] > [...] > [...] > [...] > [...] > [...] > > > > Is there a list of effected drivers? Grepping /var/run/dmesg.boot > > on my system shows only "atkbd0: [GIANT-LOCKED]". A scan of atkbd(4) > > shows > > > > This driver is required for the console driver syscons(4) or vt(4). > > > > So, setting debug.giant_drivers=3D1 will brick all FreeBSD workstation= s? > > > > You could still access them via serial port or the network. > > And I think USB-based systems would be fine. The comment you quoted is > slightly overstated. > > And yes, the point is to show the pain and get people to get off their != $#^ > and do something if they care. > I use a USB keyboard and a USB mouse. On my machine I see: grep -i giant /var/run/dmesg.boot WARNING: Device "consolectl" is Giant locked and may be deleted before FreeBSD 14.0. /dev/consolectl is used by both syscons and vt. Exactly what consolectl is used for I can't say, since there's no man page. =2D- Gary Jennejohn
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20221116114330.5407311a>