Date: Mon, 31 Mar 2008 09:47:50 +0200 From: Maik Ehinger <m.ehinger@ltur.de> To: Tobias Kirschstein <lev@nupfel.de> Cc: freebsd-current@freebsd.org Subject: Antwort: Re: hdaps (accelerator) driver for thinkpads Message-ID: <OFE64009E4.AC19D02C-ONC125741D.002A8712-C125741D.002AD5D7@gateway-inter.net> In-Reply-To: <20080328235212.7cb49e4d@lain>
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Hi Tobias,
could you try this patch agains thinkpad_ec.c Version 030_04092006. It
disables the SMBIOS/DMI stuff.
Let me know if that makes a difference.
Thanks
Maik
--------------- CUT ----------------
--- thinkpad_ec.c.orig 2008-03-31 09:40:42.000000000 +0200
+++ thinkpad_ec.c 2008-03-31 09:42:27.000000000 +0200
@@ -471,13 +471,13 @@
/* Don't use softc here */
device_t child;
-
- if (!check_dmi_for_ec()) {
- printf("thinkpad_ec: no ThinkPad embedded
controller!\n");
- return;
- // return (-ENODEV);
- }
-
+/*
+ * if (!check_dmi_for_ec()) {
+ * printf("thinkpad_ec: no ThinkPad embedded
controller!\n");
+ * return;
+ * // return (-ENODEV);
+ * }
+ */
if (device_find_child(parent, DEVICE_NAME, -1)) {
return;
}
@@ -499,10 +499,10 @@
if (device_get_unit(dev) != 0 )
return (ENXIO);
-
- if (!check_dmi_for_ec())
- return (ENXIO);
-
+/*
+ * if (!check_dmi_for_ec())
+ * return (ENXIO);
+ */
//device_set_desc(dev, "IBM ThinkPad Embedded
Controller");
device_set_desc_copy(dev, smbios_values.oem_string);
--------------- CUT ----------------
Tobias Kirschstein <lev@nupfel.de>
28.03.2008 23:52
An
Maik Ehinger <m.ehinger@ltur.de>
Kopie
freebsd-current@freebsd.org
Thema
Re: hdaps (accelerator) driver for thinkpads
hi maik,
> your are the first one who tried this driver except me. So thanks for
> testing.
sure! im really interested in getting this thing working :)
> I only got my T42 for testing so here are some hints what could be
> the cause of the crash:
>
> - dual processor system
> - 64bit
i think this is the problem, your driver seems to work for i386 only,
but at the moment i'm not experienced enough to be able to fix this and
maybe there is some more work to do to get it running under amd64. so i
would really appreciate it if you or someone else could help me here :)
> - SMBIOS/DMI Hack withing thinkpad_ec.c
>
> I can't test this because the lacking hardware.
> This was/is my first driver i programmed/ported, maybe someone with
> more experience could have a look at the code.
i can test it for you and hopefully i will be able to post some
backtraces and debug info if i have set up some solution to my core
dumping problem under zfs root.
> Do you get any messages before it crashes?
surely will follow soon i hope, but this weekend i won't have any time
unfortunately.
> Sorry i can't help you more. I could do some test on the weekend with
> 8.0 Current.
that would be great, thx!
--
ciao,
lev
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