| Summary: | [APL / KBL] [BAT] vgem_basic / mmap causes segmentation fault (core dumped) | ||||||
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| Product: | DRI | Reporter: | Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez> | ||||
| Component: | DRM/Intel | Assignee: | Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez> | ||||
| Status: | CLOSED FIXED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||
| Severity: | normal | ||||||
| Priority: | high | CC: | intel-gfx-bugs, ricardo.vega | ||||
| Version: | XOrg git | ||||||
| Hardware: | x86-64 (AMD64) | ||||||
| OS: | Linux (All) | ||||||
| Whiteboard: | |||||||
| i915 platform: | BXT, KBL | i915 features: | display/Other | ||||
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Description
Humberto Israel Perez Rodriguez
2016-06-20 22:15:51 UTC
this was the kernel used branch : drm-intel-nightly commit f586720edd865745aaca6f612615ef14c77e6091 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Mon Jun 20 15:25:16 2016 +0200 drm-intel-nightly: 2016y-06m-20d-13h-24m-46s UTC integration manifest Same issue observed on KBL with the same config: Hardware information ===================== Platform KBL Motherboard model RVP 7 Motherboard manufacturer Intel Corp. GPU Card Intel Corporation Device 5a84 (rev 03) (prog-if 00 [VGA controller]) Relevant piece of dmesg is linked to subtest mmap in vgem_basic test: [ 13.881137] vgem_basic: starting subtest mmap [ 13.881721] [drm:vgem_gem_dumb_create] Created object of size 4194304 [ 13.881744] ------------[ cut here ]------------ [ 13.882281] kernel BUG at mm/memory.c:1529! [ 13.882826] invalid opcode: 0000 [#1] SMP [ 13.883377] Modules linked in: vgem snd_hda_codec_hdmi bnep asix usbnet mii spi_pxa2xx_platform 8250_dw i2c_designware_platform x86_pkg_temp_thermal i2c_designware_core intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_hda_codec_realtek snd_hda_codec_generic serio_raw binfmt_misc arc4 nls_iso8859_1 snd_hda_intel iwlmvm input_leds mac80211 intel_lpss_pci btusb intel_lpss btrtl btbcm btintel snd_hda_codec snd_hda_core snd_hwdep bluetooth snd_pcm iwlwifi snd_seq_midi snd_seq_midi_event snd_rawmidi cfg80211 snd_seq snd_seq_device shpchp snd_timer mei_me snd mei soundcore rfkill_gpio soc_button_array tpm_crb intel_pmc_ipc mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid [ 13.885582] mmc_block i915 igb drm_kms_helper dca syscopyarea sysfillrect ptp sysimgblt sdhci_pci fb_sys_fops pps_core sdhci i2c_algo_bit ahci drm libahci i2c_hid hid video [ 13.887183] CPU: 1 PID: 1244 Comm: vgem_basic Tainted: G U 4.7.0-rc4-drm-intel-nightly-ww26-commit-f586720+ #1 [ 13.888027] Hardware name: Intel Corp. Broxton P/NOTEBOOK, BIOS APLKRVPA.X64.0138.B25.1605230512 05/23/2016 [ 13.888908] task: ffff880466bdcc40 ti: ffff88046bdbc000 task.ti: ffff88046bdbc000 [ 13.889794] RIP: 0010:[<ffffffff811bc43b>] [<ffffffff811bc43b>] vm_insert_page+0x19b/0x1b0 [ 13.890705] RSP: 0000:ffff88046bdbfd38 EFLAGS: 00010202 [ 13.891627] RAX: 0000000000000001 RBX: ffff880466947da8 RCX: 0000000000000000 [ 13.892569] RDX: 0000000000000002 RSI: 00007f15cc0b9000 RDI: ffff880467a01c68 [ 13.893509] RBP: ffff88046bdbfd68 R08: ffff88046d37f100 R09: ffff88046bdbfe58 [ 13.894470] R10: 00003fffffe00000 R11: 0000000000000000 R12: ffffea001176eb40 [ 13.895450] R13: 00007f15cc0b9000 R14: ffff880466947da8 R15: 0000000000000002 [ 13.896436] FS: 00007f15ce7ca740(0000) GS:ffff88047f880000(0000) knlGS:0000000000000000 [ 13.897434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.898444] CR2: 00007f15cc0b9000 CR3: 000000046bd21000 CR4: 00000000003406e0 [ 13.899480] Stack: [ 13.900517] 0000000000000000 00007f15cc0b9000 ffff88046bdbfe58 0000000000100000 [ 13.901579] ffff880466947da8 0000000000000002 ffff88046bdbfd78 ffffffffc052d12b [ 13.902663] ffff88046bdbfde0 ffffffff811b8976 024200ca00000055 0000000000100000 [ 13.903766] Call Trace: [ 13.904861] [<ffffffffc052d12b>] vgem_gem_fault+0x4b/0x90 [vgem] [ 13.905974] [<ffffffff811b8976>] __do_fault+0x66/0x130 [ 13.907095] [<ffffffff811b9bc8>] ? __pte_alloc+0xb8/0x110 [ 13.908183] [<ffffffff811bd33d>] handle_mm_fault+0x35d/0x1c90 [ 13.909231] [<ffffffff811c4c00>] ? do_mmap+0x440/0x540 [ 13.910260] [<ffffffff81374018>] ? common_mmap+0x48/0x50 [ 13.911290] [<ffffffff81374066>] ? apparmor_mmap_file+0x16/0x20 [ 13.912321] [<ffffffff81067022>] __do_page_fault+0x1e2/0x4d0 [ 13.913331] [<ffffffff81067332>] do_page_fault+0x22/0x30 [ 13.914353] [<ffffffff81800438>] page_fault+0x28/0x30 [ 13.915370] Code: 83 c4 08 31 c0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 b8 f2 ff ff ff c3 48 8b 7d d0 c6 07 00 0f 1f 40 00 b8 f0 ff ff ff e9 06 ff ff ff <0f> 0b 0f 0b b8 ea ff ff ff c3 66 66 2e 0f 1f 84 00 00 00 00 00 [ 13.916560] RIP [<ffffffff811bc43b>] vm_insert_page+0x19b/0x1b0 [ 13.917639] RSP <ffff88046bdbfd38> [ 13.918754] ---[ end trace 22452399a79e67b6 ]--- Humberto, please re-test with Chris patch If we can get a tested-by that would be a good accelerator for getting this upstream. after test with the path from Chris Wilson the test is pass test output: ================= IGT-Version: 1.15-gc344044 (x86_64) (Linux: 4.7.0-rc4drm-intel-nightly-12ce3ee-patch-bug-96603+ x86_64) (vgem_basic:1579) drmtest-DEBUG: Test requirement passed: fd >= 0 (vgem_basic:1579) igt-core-DEBUG: Starting subtest: mmap Subtest mmap: SUCCESS (0.000s) Test requirement not met in function __real_main153, file vgem_basic.c:169: Test requirement: has_prime_export(fd) (vgem_basic:1579) igt-core-DEBUG: Exiting with status code 0 kernel used: ==================== commit 12ce3eec546cb7d91c6ff546ffa11abcc547365e Author: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Date: Tue Jun 21 15:44:04 2016 +0100 drm-intel-nightly: 2016y-06m-21d-14h-43m-47s UTC integration manifest The fix is not upstream yet. (In reply to Chris Wilson from comment #8) > The fix is not upstream yet. The patch now has r-b on it. Changing priority to high because patch is on the way and was already qualified and this is not milestone blocker now Humberto, please re-test with latest nightly, patch is merged. commit 5ba6c9ff961a79809ec0daf2713e8d39e3f77199 Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Thu Jun 23 15:35:32 2016 +0100 drm/vgem: Fix mmaping (In reply to yann from comment #11) > Humberto, please re-test with latest nightly, patch is merged. Hi Yaan: with the latest nightly kernel i confirm that this test is pass test output ====================== IGT-Version: 1.15-gee5d5c4 (x86_64) (Linux: 4.7.0-rc7drm-intel-nightly-30eabca-bug96608+ x86_64) (vgem_basic:1372) drmtest-DEBUG: Test requirement passed: fd >= 0 (vgem_basic:1372) igt-core-DEBUG: Starting subtest: mmap Subtest mmap: SUCCESS (0.000s) (vgem_basic:1372) DEBUG: Test requirement passed: has_prime_export(fd) Test requirement not met in function __real_main297, file vgem_basic.c:327: Test requirement: vgem_has_fences(fd) (vgem_basic:1372) igt-core-DEBUG: Exiting with status code 0 Gfx stack ======================= Component : drm tag : libdrm-2.4.68-14-g8c8d5dd commit : 8c8d5dd Component : cairo tag : 1.15.2-44-g1a380ef commit : 1a380ef Component : intel-gpu-tools tag : intel-gpu-tools-1.15-127-gee5d5c4 commit : ee5d5c4 kernel used ============================== commit 30eabcaa6dcea5ca21f7e6c00da7ab4b1910396c Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Fri Jul 15 16:53:45 2016 +0200 drm-intel-nightly: 2016y-07m-15d-14h-53m-25s UTC integration manifest |
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