Date: Fri, 2 Feb 2018 12:38:47 +0100 From: Michael Gmelin <freebsd@grem.de> To: Tomoaki AOKI <junchoon@dec.sakura.ne.jp> Cc: freebsd-current@freebsd.org, bdysonsmith@gmail.com Subject: Re: Lenovo T470s Questions Message-ID: <20180202123847.3cc856ad@bsd64.grem.de> In-Reply-To: <20180202202332.791eef96ccdf40e8a0a2c17d@dec.sakura.ne.jp> References: <CAD-FYmS_C2TjyZo%2BAf5T-Xk0H6Tty5CMyGNwZ3WFVdJTkLJJTA@mail.gmail.com> <20180202202332.791eef96ccdf40e8a0a2c17d@dec.sakura.ne.jp>
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On Fri, 2 Feb 2018 20:23:32 +0900
Tomoaki AOKI <junchoon@dec.sakura.ne.jp> wrote:
> Not 100% sure but possibly some (one?) EisaId are (is) missing in
> ibm_ids definition of sys/dev/acpi_support/acpi_ibm.c.
> Currently it contains "IBM0068" and "LEN0068".
>
> Run `acpidump -d -t | fgrep EisaId` as root on your T470s and look for
> EisaId something other than...
>
> IBM0068
> LEN0068
> IBM3780
> PNP????
>
> If there's something new, insert them (it) to
> static char *ibm_ids[] = {"IBM0068", "LEN0068", NULL};
> line of sys/dev/acpi_support/acpi_ibm.c, between "LEN0068" and "NULL".
>
> If there's none, it's over my hand. :-(
> There could be some incompatibility, like struct member change etc.
Hi Tomoaki,
Could you please take a look at this?
https://reviews.freebsd.org/D14103
Thanks,
Michael
>
> See my web page [1] of part "Note for limitations of ACPI in ThinkPad
> T420" and The FreeBSD Forums' thread noted there [2] for more info.
> Although old, but part of them can be useful.
>
> [1] http://www.dec.sakura.ne.jp/~junchoon/machine/freebsd-e.html
> [2] https://forums.freebsd.org/threads/26759/
>
>
> On Thu, 1 Feb 2018 21:13:05 -0500
> Bridger Dyson-Smith <bdysonsmith@gmail.com> wrote:
>
> > Hi list and Michael -
> >
> > I received a T470s at work and decided to jump into the CURRENT end
> > of the FreeBSD pool. I have a weird acpi_ibm issue and I'm not sure
> > where to start trying to diagnose the issue.
> >
> > # uname -a
> > FreeBSD spanner 12.0-CURRENT FreeBSD 12.0-CURRENT #0 r328126: Thu
> > Jan 18 15:25:44 UTC 2018 root@releng3.nyi.freebsd.org:/
> > usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64
> >
> > I've loaded acpi_ibm via /boot/loader.conf:
> > acpi_ibm_load="YES"
> >
> > and the module shows as being loaded:
> > # kldstat | grep acpi_ibm
> > 8 1 0xffffffff8278e000 7570 acpi_ibm.ko
> >
> > However, I don't have any of the sysctl knobs available; e.g.
> > # sysctl -a | grep acpi_ibm
> > #
> >
> > or
> > # sysctl dev.acpi_ibm.0.fan_speed
> > sysctl: unknown oid 'dev.acpi_ibm.0.fan_speed'
> >
> > I've (tried) to look through the commit messages on svn-src-head,
> > but I'm not seeing anything specifically related to acpi work, or I
> > just don't know what I'm looking at (a definite possibility).
> >
> > Would someone be able to provide a bit of debugging direction here?
> > Reviewing `dmesg -a` doesn't tell me anything specific about
> > acpi_ibm.
> >
> > Thanks in advance for your time and trouble.
> > Bridger
> > _______________________________________________
> > freebsd-current@freebsd.org mailing list
> > https://lists.freebsd.org/mailman/listinfo/freebsd-current
> > To unsubscribe, send any mail to
> > "freebsd-current-unsubscribe@freebsd.org"
>
>
--
Michael Gmelin
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