Re: kern/50060: kernel crash with i915drmksm on Intel 965Q

[Collector Mail <locore64%48gou.jp@localhost>]

The following reply was made to PR kern/50060; it has been noted by GNATS.

From: Collector Mail <locore64%48gou.jp@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, 
	nisimura%netbsd.org@localhost
Subject: Re: kern/50060: kernel crash with i915drmksm on Intel 965Q
Date: Mon, 20 Jul 2015 13:18:27 +0900

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 Got 2yrs back dmesg out on the very same machine sampled by 6.99.23
 at Aug 30 of 2013.
 
 pchb0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
 agp0 at pchb0: detected 7676k stolen memory
 agp0: aperture at 0xe0000000, size 0x20000000
 vga0 at pci0 dev 2 function 0: vendor 0x8086 product 0x2992 (rev. 0x02)
 wsdisplay0 at vga0 kdbmux 1: console (0x80x25, vt100 emulation), using
 wskbd0
 wsmux1 : connecting to wdisplay0
 i915drm0 at vga0: Intel i965Q
 i915drm0: AGP at 0xe0000000 256MB
 i915drm0: Industrialized i915 1.6.0 20080730
 ...
 
 Toru Nishimura / ALKYL Technology
 
 2015-07-20 13:09 GMT+09:00 Collector Mail <locore64%48gou.jp@localhost>:
 
 >
 >> >> i915drmksm0 at pci0 dev 2 function 0: vendor 0x8086 product 0x2992
 > (rev. 0x02)
 > >> DRM error in i915_gmch_probe: failed to set up gmch
 > >
 > > Is this the real problem?
 >
 > No clue.  Somehow older NetBSD kernel says something about "i915drm" and
 > has
 > no trouble.
 >
 > > Can you send the stack trace?
 >
 > _atomic_swap_64() at netbsd:_atomic_swap_64+0x3
 > bus_space_reservation_unmap1() at netbsd:bus_space_reservation_unmap1+0xc2
 > bus_space_unmap() at netbsd:bus_space_unmap+0x38
 > i915_driver_load() at netbsd:i915_driver_load+0x971
 > drm_dev_register() at netbsd:drm_dev_register+0x87
 > drm_pci_attach() at netbsd:drm_pci_attach+0x2d5
 > i915drmkms_attach() at netbsd:i915drmkms_attach+0x92
 > config_attach_loc() at netbsd:config_attach_loc+0x16e
 > pci_probe_device() at netbsd:pci_probe_device+0x4ac
 > pci_emumerate_bus() at netbsd:pci_enumerate_bus+0x168
 > ...
 >
 > Toru Nishimura / ALKYL Technology
 >
 
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 Content-Type: text/html; charset=UTF-8
 Content-Transfer-Encoding: quoted-printable
 
 <div dir=3D"ltr">Got 2yrs back dmesg out on the very same machine sampled b=
 y 6.99.23<div>at Aug 30 of 2013.<div><br></div><div>pchb0: i/o space, memor=
 y space enabled, rd/line, rd/mult, wr/inv ok</div><div>agp0 at pchb0: detec=
 ted 7676k stolen memory</div><div>agp0: aperture at 0xe0000000, size 0x2000=
 0000</div><div>vga0 at pci0 dev 2 function 0: vendor 0x8086 product 0x2992 =
 (rev. 0x02)</div><div>wsdisplay0 at vga0 kdbmux 1: console (0x80x25, vt100 =
 emulation), using wskbd0</div><div>wsmux1 : connecting to wdisplay0</div><d=
 iv>i915drm0 at vga0: Intel i965Q</div><div>i915drm0: AGP at 0xe0000000 256M=
 B</div><div>i915drm0: Industrialized i915 1.6.0 20080730</div><div>...</div=
 ><div><br></div><div>Toru Nishimura / ALKYL Technology=C2=A0</div></div></d=
 iv><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">2015-07-20 13:=
 09 GMT+09:00 Collector Mail <span dir=3D"ltr">&lt;<a href=3D"mailto:locore6=
 4%48gou.jp@localhost" target=3D"_blank">locore64%48gou.jp@localhost</a>&gt;</span>:<br><blockqu=
 ote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc s=
 olid;padding-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_extra"><span cl=
 ass=3D""><div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=
 =3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(20=
 4,204,204);border-left-style:solid;padding-left:1ex"><br></blockquote></div=
 ><div class=3D"gmail_extra">&gt;&gt; i915drmksm0 at pci0 dev 2 function 0: =
 vendor 0x8086 product 0x2992 (rev. 0x02)</div><div class=3D"gmail_extra">&g=
 t;&gt; DRM error in i915_gmch_probe: failed to set up gmch</div><div class=
 =3D"gmail_extra">&gt;</div><div class=3D"gmail_extra">&gt; Is this the real=
  problem?</div><div class=3D"gmail_extra"><br></div></span><div class=3D"gm=
 ail_extra">No clue.=C2=A0 Somehow older NetBSD kernel says something about =
 &quot;i915drm&quot; and has</div><div class=3D"gmail_extra">no trouble.</di=
 v><span class=3D""><div class=3D"gmail_extra"><br></div><div class=3D"gmail=
 _extra">&gt; Can you send the stack trace?</div><div class=3D"gmail_extra">=
 <br></div></span><div class=3D"gmail_extra">_atomic_swap_64() at netbsd:_at=
 omic_swap_64+0x3</div><div class=3D"gmail_extra">bus_space_reservation_unma=
 p1() at netbsd:bus_space_reservation_unmap1+0xc2</div><div class=3D"gmail_e=
 xtra">bus_space_unmap() at netbsd:bus_space_unmap+0x38</div><div class=3D"g=
 mail_extra">i915_driver_load() at netbsd:i915_driver_load+0x971</div><div c=
 lass=3D"gmail_extra">drm_dev_register() at netbsd:drm_dev_register+0x87</di=
 v><div class=3D"gmail_extra">drm_pci_attach() at netbsd:drm_pci_attach+0x2d=
 5</div><div class=3D"gmail_extra">i915drmkms_attach() at netbsd:i915drmkms_=
 attach+0x92</div><div class=3D"gmail_extra">config_attach_loc() at netbsd:c=
 onfig_attach_loc+0x16e</div><div class=3D"gmail_extra">pci_probe_device() a=
 t netbsd:pci_probe_device+0x4ac</div><div class=3D"gmail_extra">pci_emumera=
 te_bus() at netbsd:pci_enumerate_bus+0x168</div><div class=3D"gmail_extra">=
 ...</div><div class=3D"gmail_extra"><br></div><div class=3D"gmail_extra">To=
 ru Nishimura / ALKYL Technology</div></div></div>
 </blockquote></div><br></div>
 
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