Bug 95076 - i915_gem.c:1888 i915_gem_fault+0x238/0x460 [i915_bpo]()
Summary: i915_gem.c:1888 i915_gem_fault+0x238/0x460 [i915_bpo]()
Status: CLOSED INVALID
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-04-23 07:09 UTC by Hector Yuen
Modified: 2017-07-24 22:42 UTC (History)
1 user (show)

See Also:
i915 platform: SKL
i915 features: GEM/Other

Attachments

Description Hector Yuen 2016-04-23 07:09:42 UTC 
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675379] ------------[ cut here ]------------
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675465] WARNING: CPU: 2 PID: 7671 at /build/linux-lts-vivid-6tG2ln/linux-lts-vivid-3.19.0/ubuntu/i915/i915_gem.c:1888 i915_gem_fault+0x238/0x460 [i915_bpo]()
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675471] unhandled error in i915_gem_fault: -7
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675474] Modules linked in: dell_wmi sparse_keymap ctr ccm nvram msr dm_crypt arc4 snd_hda_codec_hdmi(OE) dell_led dell_laptop dcdbas snd_hda_codec_realtek(OE) snd_hda_codec_generic(OE) snd_hda_intel(OE) snd_hda_codec(OE) snd_hda_core(OE) snd_hwdep snd_pcm x86_pkg_temp_thermal coretemp kvm_intel snd_seq_midi snd_seq_midi_event kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_rawmidi aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_seq snd_seq_device snd_timer iwlmvm(OE) mac80211(OE) hid_multitouch snd joydev uvcvideo iwlwifi(OE) dm_multipath serio_raw videobuf2_vmalloc videobuf2_memops videobuf2_core scsi_dh v4l2_common videodev rts_cr_host(OE) media rts_cr_core(OE) cfg80211(OE) soundcore shpchp i2c_hid cmac int3403_thermal int3400_thermal acpi_thermal_rel intel_hid(OE) acpi_pad mac_hid rfcomm(OE) bnep(OE) parport_pc i915_bpo intel_ips drm_kms_helper drm ppdev i2c_algo_bit lp parport nls_iso8859_1 btrfs xor raid6_pq dm_mirror dm_region_hash dm_log btusb(OE) btintel(OE) bluetooth(OE) compat(OE) hid_generic usbhid hid psmouse(OE) ahci nvme libahci wmi video
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675626] CPU: 2 PID: 7671 Comm: Xorg Tainted: G        W  OE  3.19.0-33-generic #38~14.04.1-Ubuntu
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675631] Hardware name: Dell Inc. XPS 13 9350/09JHRY, BIOS 1.2.3 01/08/2016
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675635]  ffffffffc0742558 ffff880466587b58 ffffffff817af41b 0000000000000000
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675644]  ffff880466587ba8 ffff880466587b98 ffffffff81074daa 0000000016000000
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675652]  0000000000000002 ffff88005fe80000 00000000fffffff9 ffff880469dd9600
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675661] Call Trace:
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675680]  [<ffffffff817af41b>] dump_stack+0x45/0x57
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675690]  [<ffffffff81074daa>] warn_slowpath_common+0x8a/0xc0
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675698]  [<ffffffff81074e26>] warn_slowpath_fmt+0x46/0x50
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675754]  [<ffffffffc06a66a8>] i915_gem_fault+0x238/0x460 [i915_bpo]
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675764]  [<ffffffff811a1409>] __do_fault+0x39/0x90
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675775]  [<ffffffff811c43d1>] ? alloc_pages_current+0x91/0x100
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675784]  [<ffffffff811a4101>] do_shared_fault.isra.56+0x31/0x1c0
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675791]  [<ffffffff811a22ec>] ? __pte_alloc+0xcc/0x180
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675800]  [<ffffffff811a590e>] handle_mm_fault+0x5be/0x10e0
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675809]  [<ffffffff811ab00f>] ? vma_set_page_prot+0x3f/0x60
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675817]  [<ffffffff811ac1d1>] ? mmap_region+0x1b1/0x620
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675826]  [<ffffffff81061e94>] __do_page_fault+0x1c4/0x5b0
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675834]  [<ffffffff81192219>] ? vm_mmap_pgoff+0x99/0xc0
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675842]  [<ffffffff810622b1>] do_page_fault+0x31/0x70
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675851]  [<ffffffff817b8f28>] page_fault+0x28/0x30
Apr 18 23:07:25 hector-XPS-13-9350 kernel: [ 1548.675857] ---[ end trace 0a4ee0270029d0fc ]---


Hardware is Dell xps 13 9350 running ubuntu 14.04 kernel 3.19.0-58-generic

Please let me know if you need more info
Comment 1 Hector Yuen 2016-04-23 07:21:56 UTC 
Here is a proposed fix from:

https://lists.freedesktop.org/archives/intel-gfx/2015-September/075420.html



Testcase: igt/gem_mmap_gtt/big-bo-tiledXY
Reported-by: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
Signed-off-by: Michel Thierry <michel.thierry at intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 352ccd5..3e00f72 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1869,6 +1869,7 @@ out:
 		 */
 		ret = VM_FAULT_NOPAGE;
 		break;
+	case -E2BIG:
 	case -ENOMEM:
 		ret = VM_FAULT_OOM;
 		break;
-- 
2.5.1
Comment 2 Jani Nikula 2016-04-25 10:22:48 UTC 
Please reopen if you can reproduce the problem with latest upstream kernels.

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