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Date:      Mon, 12 Sep 2016 15:29:25 +0000
From:      twilight <pipfstarrd@openmailbox.org>
To:        freebsd-x11@FreeBSD.org
Subject:   [i915 on intel gm45] opengl and video applications crush instantly
Message-ID:  <d2bcc879-b0eb-9c23-a8ae-6ce1f21f9677@openmailbox.org>

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Hello,

I've encountered a problem on
~> freebsd-version
10.3-RELEASE-p7

It's funny, that it occurred after I migrated to a SSD, after
reinstalling the system. So, it worked in the same release on HDD. Huh.

When I try to use any opengl-related programs they crash instantly, for
example:
~> glxgears
Running synchronized to the vertical refresh.  The framerate should be
approximately the same as the monitor refresh rate.
fish: 'glxgears' terminated by signal SIGSEGV (Address boundary error)

In wine 3D applications fail with:
intel_do_flush_locked failed: Input/output error

Also firefox occasionally crashes (on some pages, due to opengl or some
special media content) and mpv crashes after playing some amount of time
(time changes randomly, didn't find any connection).

It looks like a known bug in the linux world, but I didn't manage to
find any useful advice for FreeBSD. What can I do? I can provide any
additional information, on request.

~> kldstat
Id Refs Address            Size     Name
 1   66 0xffffffff80200000 17bc718  kernel
 2    1 0xffffffff819bd000 2fc440   zfs.ko
 3    2 0xffffffff81cba000 6040     opensolaris.ko
 4    1 0xffffffff81cc1000 215a8    geom_eli.ko
 5    3 0xffffffff81ce3000 352d0    crypto.ko
 6    1 0xffffffff81d19000 9af10    linux.ko
 7    2 0xffffffff81db4000 c128     linux_common.ko
 8    1 0xffffffff81dc2000 5a30     aesni.ko
 9    1 0xffffffff81dc9000 eb00     autofs.ko
10    1 0xffffffff81dd8000 7a30     acpi_ibm.ko
11    1 0xffffffff82021000 4e83     ng_ubt.ko
12    5 0xffffffff82026000 ba02     netgraph.ko
13    1 0xffffffff82032000 93a0     ng_hci.ko
14    3 0xffffffff8203c000 1076     ng_bluetooth.ko
15    1 0xffffffff8203e000 c32e     ng_l2cap.ko
16    1 0xffffffff8204b000 1a6f3    ng_btsocket.ko
17    1 0xffffffff82066000 3831     ng_socket.ko
18    1 0xffffffff8206a000 32d6a    pf.ko
19    1 0xffffffff8209d000 7874d    i915kms.ko
20    1 0xffffffff82116000 5232a    drm2.ko
21    4 0xffffffff82169000 2404     iicbus.ko
22    1 0xffffffff8216c000 1c5e     iic.ko
23    1 0xffffffff8216e000 1e2b     iicbb.ko


~> uname -iKmoprsUv
FreeBSD 10.3-RELEASE-p7 FreeBSD 10.3-RELEASE-p7 #0: Thu Aug 11 18:38:15
UTC 2016
root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64
amd64 GENERIC 1003000 1003000


~> pciconf -lv
hostb0@pci0:0:0:0:	class=0x060000 card=0x20e017aa chip=0x2a408086
rev=0x07 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Mobile 4 Series Chipset Memory Controller Hub'
    class      = bridge
    subclass   = HOST-PCI
vgapci0@pci0:0:2:0:	class=0x030000 card=0x20e417aa chip=0x2a428086
rev=0x07 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Mobile 4 Series Chipset Integrated Graphics Controller'
    class      = display
    subclass   = VGA
vgapci1@pci0:0:2:1:	class=0x038000 card=0x20e417aa chip=0x2a438086
rev=0x07 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Mobile 4 Series Chipset Integrated Graphics Controller'
    class      = display


-- 
Cheers~

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You can retrieve my public key at pgp.mit.edu.



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