Date: Sat, 23 Jun 2012 11:59:52 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Thomas Zander <thomas.e.zander@googlemail.com> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: KMS on Sandy bridge error device_attach Message-ID: <20120623085952.GO2337@deviant.kiev.zoral.com.ua> In-Reply-To: <CAFU734yfPtkN3yJRJUnRZLSeSO-fwaz-W=ZNyLDGD8qcZH_jDg@mail.gmail.com> References: <CAFU734xpgn3HfS%2BjgaT_T9BLA0-P32wmHo9Pp74Mg4a4fh2TDw@mail.gmail.com> <20120622175128.GJ2337@deviant.kiev.zoral.com.ua> <CAFU734z97JcLRKXfuDaCWuy6V5exnHufS3QGfa_PyE9cTWFoOw@mail.gmail.com> <20120622183808.GK2337@deviant.kiev.zoral.com.ua> <CAFU734yfPtkN3yJRJUnRZLSeSO-fwaz-W=ZNyLDGD8qcZH_jDg@mail.gmail.com>
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--fF2H9CfXSnGSrGs7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jun 23, 2012 at 09:25:40AM +0200, Thomas Zander wrote: > On Fri, Jun 22, 2012 at 8:38 PM, Konstantin Belousov > <kostikbel@gmail.com> wrote: > >> Thank you for your quick response. Output is attached. > >> This is probably one of the relatively rarely sold CPUs, so I might > >> have an edge case here... > > Yes, indeed, this is something Intel calls 'SandyBridge server Integrat= ed > > Graphics'. The device id is known to agp driver, but probably it failed > > to attach due to some (mis)interpretation of the state. > > > > Your dmesg is not complete, the hda output displaced the previous > > messages which contained the agp attach diagnostic. Take agp or hda > > out from kernel, and rerun the test. Or, increase MSGBUF_SIZE, see > > conf/NOTES for description. >=20 > Okay, thanks again. As you suggested, I have removed a few kernel > modules from the boot process and it seems that the verbose dmesg > output now fits into the buffer, see attached dmesg output. > However I don't see more GPU attach diagnostic. Do I miss something? Ok, but you did not tried to load i915kms, at least the dmesg you posted lacks an indication. Let me repeat: I need to see the lines related to the agp probe and attachment, I believe that it will show us the next direction to investigate. --fF2H9CfXSnGSrGs7 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (FreeBSD) iEYEARECAAYFAk/lhYcACgkQC3+MBN1Mb4g4LACeIbkbxqaYgwqHooipSk5nMLI7 /wIAoOZHkaaK9uIUXkssjv6NJp0xGUcf =nFr2 -----END PGP SIGNATURE----- --fF2H9CfXSnGSrGs7--
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