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[91.14.161.181]) by smtp.gmail.com with ESMTPSA id c17sm7485379wmr.15.2021.10.07.02.19.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 07 Oct 2021 02:19:17 -0700 (PDT) To: Tvrtko Ursulin , intel-gfx@lists.freedesktop.org References: <20211006091614.970596-1-matthew.auld@intel.com> <163353397200.5959.9158572900274841139@emeril.freedesktop.org> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: Date: Thu, 7 Oct 2021 11:19:15 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Mailman-Approved-At: Thu, 07 Oct 2021 12:29:48 +0000 Subject: Re: [Intel-gfx] =?utf-8?b?4pyXIEZpLkNJLklHVDogZmFpbHVyZSBmb3Igc2Vy?= =?utf-8?q?ies_starting_with_=5Bv7=2C1/8=5D_drm/i915/gem=3A_Break_out_some?= =?utf-8?q?_shmem_backend_utils?= X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Am 07.10.21 um 11:15 schrieb Tvrtko Ursulin: > Hi, > > On 06/10/2021 16:26, Patchwork wrote: >> *Patch Details* >> *Series:*    series starting with [v7,1/8] drm/i915/gem: Break out >> some shmem backend utils >> *URL:*    https://patchwork.freedesktop.org/series/95501/ >> >> *State:*    failure >> *Details:* >> https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_21264/index.html >> >> >> >>   CI Bug Log - changes from CI_DRM_10688_full -> Patchwork_21264_full >> >> >>     Summary >> >> *FAILURE* >> >> Serious unknown changes coming with Patchwork_21264_full absolutely >> need to be >> verified manually. >> >> If you think the reported changes have nothing to do with the changes >> introduced in Patchwork_21264_full, please notify your bug team to >> allow them >> to document this new failure mode, which will reduce false positives >> in CI. >> >> >>     Possible new issues >> >> Here are the unknown changes that may have been introduced in >> Patchwork_21264_full: >> >> >>       IGT changes >> >> >>         Possible regressions >> >>   * >> >>     igt@gem_sync@basic-many-each: >> >>       o shard-apl: NOTRUN -> INCOMPLETE >> > Something still fishy in the unlocked iterator? Or dma_resv_get_fences > using it? Probably the later. I'm going to take a look. Thanks for the notice, Christian. > > <6> [187.551235] [IGT] gem_sync: starting subtest basic-many-each > <1> [188.935462] BUG: kernel NULL pointer dereference, address: > 0000000000000010 > <1> [188.935485] #PF: supervisor write access in kernel mode > <1> [188.935495] #PF: error_code(0x0002) - not-present page > <6> [188.935504] PGD 0 P4D 0 > <4> [188.935512] Oops: 0002 [#1] PREEMPT SMP NOPTI > <4> [188.935521] CPU: 2 PID: 1467 Comm: gem_sync Not tainted > 5.15.0-rc4-CI-Patchwork_21264+ #1 > <4> [188.935535] Hardware name:  /NUC6CAYB, BIOS > AYAPLCEL.86A.0049.2018.0508.1356 05/08/2018 > <4> [188.935546] RIP: 0010:dma_resv_get_fences+0x116/0x2d0 > <4> [188.935560] Code: 10 85 c0 7f c9 be 03 00 00 00 e8 15 8b df ff eb > bd e8 8e c6 ff ff eb b6 41 8b 04 24 49 8b 55 00 48 89 e7 8d 48 01 41 > 89 0c 24 <4c> 89 34 c2 e8 41 f2 ff ff 49 89 c6 48 85 c0 75 8c 48 8b 44 > 24 10 > <4> [188.935583] RSP: 0018:ffffc900011dbcc8 EFLAGS: 00010202 > <4> [188.935593] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: > 0000000000000001 > <4> [188.935603] RDX: 0000000000000010 RSI: ffffffff822e343c RDI: > ffffc900011dbcc8 > <4> [188.935613] RBP: ffffc900011dbd48 R08: ffff88812d255bb8 R09: > 00000000fffffffe > <4> [188.935623] R10: 0000000000000001 R11: 0000000000000000 R12: > ffffc900011dbd44 > <4> [188.935633] R13: ffffc900011dbd50 R14: ffff888113d29cc0 R15: > 0000000000000000 > <4> [188.935643] FS:  00007f68d17e9700(0000) GS:ffff888277900000(0000) > knlGS:0000000000000000 > <4> [188.935655] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > <4> [188.935665] CR2: 0000000000000010 CR3: 000000012d0a4000 CR4: > 00000000003506e0 > <4> [188.935676] Call Trace: > <4> [188.935685]  i915_gem_object_wait+0x1ff/0x410 [i915] > <4> [188.935988]  i915_gem_wait_ioctl+0xf2/0x2a0 [i915] > <4> [188.936272]  ? i915_gem_object_wait+0x410/0x410 [i915] > <4> [188.936533]  drm_ioctl_kernel+0xae/0x140 > <4> [188.936546]  drm_ioctl+0x201/0x3d0 > <4> [188.936555]  ? i915_gem_object_wait+0x410/0x410 [i915] > <4> [188.936820]  ? __fget_files+0xc2/0x1c0 > <4> [188.936830]  ? __fget_files+0xda/0x1c0 > <4> [188.936839]  __x64_sys_ioctl+0x6d/0xa0 > <4> [188.936848]  do_syscall_64+0x3a/0xb0 > <4> [188.936859]  entry_SYSCALL_64_after_hwframe+0x44/0xae > > Regards, > > Tvrtko