[Bug 40103] New: Striped screen with CAICOS chip (1002:6779)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=40103

           Summary: Striped screen with CAICOS chip (1002:6779)
           Product: xorg
           Version: 7.6
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: tjaalton at ubuntu.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=50234)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50234)
X log

I've got a striped screen with a CAICOS 6779 (HD6450), running on kernel 3.0.1
or 3.1rc2, both are the same. Userland is Ubuntu Oneiric devel series, with
xserver 1.10.3 and -ati snapshot from last week.

Here's a call trace from dmesg (one of several identical ones):

[   10.633032] WARNING: at
/home/tjaalton/linux/drivers/gpu/drm/radeon/radeon_gart.c:177
radeon_gart_bind+0x1ac/0x1c0 [radeon]()
[   10.633034] Hardware name: P5K
[   10.633034] trying to bind memory to unitialized GART !
[   10.633036] Modules linked in: snd_hda_codec_hdmi hid_apple bnep rfcomm
bluetooth snd_hda_codec_realtek binfmt_misc snd_hda_intel snd_hda_codec
snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event serio_raw snd_seq
snd_timer radeon asus_atk0110 snd_seq_device snd ttm drm_kms_helper drm
i2c_algo_bit soundcore snd_page_alloc lp parport usbhid hid firewire_ohci ahci
firewire_core pata_jmicron crc_itu_t libahci atl1
[   10.633056] Pid: 241, comm: plymouthd Tainted: G        W  
3.1.0-0301rc1g72fa599-generic #201108121445
[   10.633057] Call Trace:
[   10.633060]  [<ffffffff8105e79f>] warn_slowpath_common+0x7f/0xc0
[   10.633063]  [<ffffffff8105e896>] warn_slowpath_fmt+0x46/0x50
[   10.633067]  [<ffffffffa00dddc4>] ? ttm_mem_global_alloc_page+0x54/0x60
[ttm]
[   10.633078]  [<ffffffffa0155dec>] radeon_gart_bind+0x1ac/0x1c0 [radeon]
[   10.633089]  [<ffffffffa01537d5>] radeon_ttm_backend_bind+0x35/0xb0 [radeon]
[   10.633094]  [<ffffffffa00de6b0>] ttm_tt_bind+0x50/0x80 [ttm]
[   10.633098]  [<ffffffffa00e0409>] ttm_bo_handle_move_mem+0x169/0x380 [ttm]
[   10.633103]  [<ffffffffa00e14fa>] ttm_bo_move_buffer+0x13a/0x150 [ttm]
[   10.633110]  [<ffffffffa00b209c>] ? drm_mm_kmalloc+0x3c/0xe0 [drm]
[   10.633113]  [<ffffffff8116793f>] ? alloc_file+0x9f/0xd0
[   10.633117]  [<ffffffffa00e15f7>] ttm_bo_validate+0xe7/0xf0 [ttm]
[   10.633122]  [<ffffffffa00e17b8>] ttm_bo_init+0x1b8/0x260 [ttm]
[   10.633133]  [<ffffffffa0154bb6>] radeon_bo_create+0x176/0x2a0 [radeon]
[   10.633144]  [<ffffffffa01548e0>] ?
radeon_create_ttm_backend_entry+0x40/0x40 [radeon]
[   10.633147]  [<ffffffff810329b9>] ? default_spin_lock_flags+0x9/0x10
[   10.633160]  [<ffffffffa016d39a>] radeon_gem_object_create+0x5a/0x100
[radeon]
[   10.633173]  [<ffffffffa016d7f8>] radeon_gem_create_ioctl+0x58/0xd0 [radeon]
[   10.633176]  [<ffffffff8127db7a>] ? security_capable+0x2a/0x30
[   10.633182]  [<ffffffffa00a6574>] drm_ioctl+0x3e4/0x4c0 [drm]
[   10.633195]  [<ffffffffa016d7a0>] ? radeon_gem_pwrite_ioctl+0x30/0x30
[radeon]
[   10.633197]  [<ffffffff811a0902>] ? fsnotify+0x1c2/0x2a0
[   10.633199]  [<ffffffff81391abe>] ? tty_ldisc_deref+0xe/0x10
[   10.633202]  [<ffffffff81177d2a>] do_vfs_ioctl+0x8a/0x340
[   10.633204]  [<ffffffff81166200>] ? vfs_write+0x110/0x180
[   10.633207]  [<ffffffff81178071>] sys_ioctl+0x91/0xa0
[   10.633209]  [<ffffffff815f2282>] system_call_fastpath+0x16/0x1b
[   10.633211] ---[ end trace d4bd37cfb6de1754 ]---

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