Bug 90399

Summary: [BDW Regression]igt/gem_evict_everything/swapping-interruptible causes WARNING: CPU: 1 PID: 5066 at drivers/gpu/drm/i915/i915_gem_gtt.c:760 gen8_alloc_va_range+0x10c/0x6c7 [i915]
Product: DRI Reporter: lu hua <huax.lu>
Component: DRM/IntelAssignee: Mika Kuoppala <mika.kuoppala>
Status: CLOSED FIXED QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: high CC: intel-gfx-bugs
Version: unspecified   
Hardware: All   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
dmesg
none
drm/i915/gtt: Fix the boundary check for vm area none

Description lu hua 2015-05-11 07:20:46 UTC 
Created attachment 115686 [details]
dmesg

==System Environment==
--------------------------
Regression: yes

good commit:75d04a3773ecee617847de963ae4195d6aa74c28
bad commit: c457879f0d8f664050e46092afde46fec58c9e67

Non-working platforms: BDW

==kernel==
--------------------------
drm-intel-nightly/a1e469d124cad96cd0d0e149c84f7ebd43ca1893
commit a1e469d124cad96cd0d0e149c84f7ebd43ca1893
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Fri May 8 17:48:23 2015 +0200

    drm-intel-nightly: 2015y-05m-08d-15h-47m-50s UTC integration manifest

==Bug detailed description==
-----------------------------
It causes Warning: WARNING: CPU: 1 PID: 5066 at drivers/gpu/drm/i915/i915_gem_gtt.c:760 gen8_alloc_va_range+0x10c/0x6c7 [i915]()
gem_evict_everything@swapping-normal also has this issue.

output:
IGT-Version: 1.10-g9b0a32d (x86_64) (Linux: 4.1.0-rc2_drm-intel-nightly_a1e469_20150509+ x86_64)
Subtest swapping-interruptible: SUCCESS (55.949s)

Dmesg:
[  346.480334] WARNING: CPU: 1 PID: 5066 at drivers/gpu/drm/i915/i915_gem_gtt.c:760 gen8_alloc_va_range+0x10c/0x6c7 [i915]()
[  346.480336] WARN_ON((start + length) >= (1ULL << 32))
[  346.480337] Modules linked in: ipv6 dm_mod iTCO_wdt iTCO_vendor_support ppdev snd_hda_codec_hdmi pcspkr i2c_i801 snd_hda_intel lpc_ich snd_hda_codec mfd_core snd_hda_core snd
_hwdep snd_pcm snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm
[  346.480353] CPU: 1 PID: 5066 Comm: gem_evict_every Tainted: G        W       4.1.0-rc2_drm-intel-nightly_a1e469_20150509+ #398
[  346.480355]  0000000000000000 0000000000000009 ffffffff817a66cc ffff88000283b9d8
[  346.480357]  ffffffff8103ebde 0000000000000001 ffffffffa0099c8f ffff880149644fe0
[  346.480359]  ffff880002696000 0000000100000000 0000000000000020 ffffffffa012451e
[  346.480362] Call Trace:
[  346.480367]  [<ffffffff817a66cc>] ? dump_stack+0x40/0x50
[  346.480376]  [<ffffffff8103ebde>] ? warn_slowpath_common+0x98/0xb0
[  346.480393]  [<ffffffffa0099c8f>] ? gen8_alloc_va_range+0x10c/0x6c7 [i915]
[  346.480400]  [<ffffffff8103ec3b>] ? warn_slowpath_fmt+0x45/0x4a
[  346.480417]  [<ffffffffa0099c8f>] ? gen8_alloc_va_range+0x10c/0x6c7 [i915]
[  346.480434]  [<ffffffffa009c9f3>] ? i915_gem_object_get_pages_gtt+0x23f/0x36e [i915]
[  346.480449]  [<ffffffffa009bf73>] ? i915_vma_bind+0x10b/0x151 [i915]
[  346.480465]  [<ffffffffa00a1a57>] ? i915_gem_object_do_pin+0x70e/0x7e0 [i915]
[  346.480482]  [<ffffffffa0095dc3>] ? i915_gem_execbuffer_reserve_vma.isra.12+0x6b/0x111 [i915]
[  346.480496]  [<ffffffffa00960b5>] ? i915_gem_execbuffer_reserve+0x24c/0x2e3 [i915]
[  346.480510]  [<ffffffffa0096714>] ? i915_gem_do_execbuffer.isra.13+0x5c8/0xd6c [i915]
[  346.480519]  [<ffffffff8110a213>] ? alloc_pages_current+0xad/0xca
[  346.480525]  [<ffffffff810ef751>] ? kmalloc_order+0x10/0x3d
[  346.480529]  [<ffffffff810ef79a>] ? kmalloc_order_trace+0x1c/0x7e
[  346.480543]  [<ffffffffa0097e42>] ? i915_gem_execbuffer2+0x16e/0x208 [i915]
[  346.480556]  [<ffffffffa0004636>] ? drm_ioctl+0x322/0x38d [drm]
[  346.480559]  [<ffffffff810471c2>] ? __set_task_blocked+0x5d/0x64
[  346.480570]  [<ffffffffa0097cd4>] ? i915_gem_execbuffer+0x339/0x339 [i915]
[  346.480573]  [<ffffffff81123502>] ? do_vfs_ioctl+0x360/0x424
[  346.480575]  [<ffffffff8111604b>] ? __fput+0x184/0x19a
[  346.480577]  [<ffffffff8112360f>] ? SyS_ioctl+0x49/0x7a
[  346.480580]  [<ffffffff817ac217>] ? system_call_fastpath+0x12/0x6a
[  346.480582] ---[ end trace 34f9258a083cee05 ]---
[  347.029922] ------------[ cut here ]------------


==Reproduce steps==
---------------------------- 
1.  ./gem_evict_everything --run-subtest swapping-interruptible
Comment 1 Mika Kuoppala 2015-05-11 09:40:21 UTC 
Created attachment 115696 [details] [review]
drm/i915/gtt: Fix the boundary check for vm area
Comment 2 lu hua 2015-05-12 06:03:12 UTC 
(In reply to Mika Kuoppala from comment #1)
> Created attachment 115696 [details] [review] [review]
> drm/i915/gtt: Fix the boundary check for vm area

Fixed by this patch.
Comment 3 lu hua 2015-05-13 07:07:49 UTC 
Verified.Fixed.
Comment 4 Jari Tahvanainen 2017-08-14 08:35:42 UTC 
Moving old bug from Verified to Closed.

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