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5SFniPusRCG3lCopyKv4iA== X-IronPort-AV: E=McAfee;i="6800,10657,11953"; a="2162050" X-IronPort-AV: E=Sophos;i="6.27,191,1787036400"; d="scan'208";a="2162050" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Nov 2026 23:03:55 -0800 X-CSE-ConnectionGUID: Tdcxivi3QtOTSP3f/F97hg== X-CSE-MsgGUID: k8ZrO3rhS4ut1lHN9m6I4Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,191,1787036400"; d="scan'208";a="6373187" Received: from ly-workstation.sh.intel.com (HELO ly-workstation) ([10.239.182.64]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Nov 2026 23:03:52 -0800 Date: Mon, 2 Nov 2026 15:03:49 +0800 From: kernel test robot To: Vinicius Costa Gomes Cc: oe-lkp@lists.linux.dev, lkp@intel.com, linux-kernel@vger.kernel.org, Vinod Koul , Dave Jiang , dmaengine@vger.kernel.org, yi1.lai@intel.com Subject: [linus:master] [dmaengine] 2a93f5747d: INFO:task_blocked_for_more_than#seconds Message-ID: <202611021447.f9ab47b7-lkp@intel.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hello, kernel test robot noticed "INFO:task_blocked_for_more_than#seconds" on: commit: 2a93f5747d0eef89a3158c91d185d37d0bca2491 ("dmaengine: idxd: Flush all pending descriptors") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linux-next/master 2efb7a11f1aa4d2dc285fe2680cca22cb9f72f64] in testcase: lkvs version: lkvs-x86_64-388e0c1-1_20260521 with following parameters: test: dma config: x86_64-rhel-9.4-func compiler: gcc-14 test machine: 256 threads 2 sockets GENUINE INTEL(R) XEON(R) (Sierra Forest) with 128G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202611021447.f9ab47b7-lkp@intel.com kern :err : [ 5423.292137] [ T1658] INFO: task modprobe:11531 blocked for more than 4915 seconds. kern :err : [ 5423.301474] [ T1658] Not tainted 7.0.0-rc1+ #1 kern :err : [ 5423.307296] [ T1658] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kern :info : [ 5423.320648] [ T1658] task:modprobe state:D stack:0 pid:11531 tgid:11531 ppid:11511 task_flags:0x400100 flags:0x00080800 kern :info : [ 5423.334425] [ T1658] Call Trace: kern :info : [ 5423.338277] [ T1658] kern :info : [ 5423.345059] [ T1658] __schedule+0x720/0x10b0 kern :info : [ 5423.350188] [ T1658] ? _printk+0xb1/0xf0 kern :info : [ 5423.355121] [ T1658] ? __pfx___schedule+0x10/0x10 kern :info : [ 5423.360748] [ T1658] ? mutex_unlock+0x81/0xf0 kern :info : [ 5423.365968] [ T1658] ? prepare_to_wait_event+0x8e/0x730 kern :info : [ 5423.373937] [ T1658] schedule+0x6b/0x1b0 kern :info : [ 5423.379636] [ T1658] dmatest_init+0xf5/0xff0 [dmatest] kern :info : [ 5423.385782] [ T1658] ? __pfx_dmatest_init+0x10/0x10 [dmatest] kern :info : [ 5423.392794] [ T1658] ? __pfx_autoremove_wake_function+0x10/0x10 kern :info : [ 5423.399783] [ T1658] ? ktime_get+0x61/0x170 kern :info : [ 5423.404977] [ T1658] ? __pfx_dmatest_init+0x10/0x10 [dmatest] kern :info : [ 5423.411769] [ T1658] ? trace_initcall_start_cb+0x5b/0x90 kern :info : [ 5423.421348] [ T1658] ? __pfx_dmatest_init+0x10/0x10 [dmatest] kern :info : [ 5423.428106] [ T1658] do_one_initcall+0x8d/0x3f0 kern :info : [ 5423.436782] [ T1658] ? __pfx_do_one_initcall+0x10/0x10 kern :info : [ 5423.442848] [ T1658] ? kasan_unpoison+0x40/0x70 kern :info : [ 5423.448390] [ T1658] ? __kasan_slab_alloc+0x2f/0x70 kern :info : [ 5423.454178] [ T1658] ? kasan_unpoison+0x40/0x70 kern :info : [ 5423.462863] [ T1658] do_init_module+0x281/0x830 kern :info : [ 5423.468228] [ T1658] ? __pfx_do_init_module+0x10/0x10 kern :info : [ 5423.477456] [ T1658] ? kfree+0x195/0x430 kern :info : [ 5423.482122] [ T1658] ? klp_module_coming+0x210/0x2f0 kern :info : [ 5423.488589] [ T1658] load_module+0x173d/0x2070 kern :info : [ 5423.493917] [ T1658] ? ima_post_read_file+0x18f/0x230 kern :info : [ 5423.499863] [ T1658] ? __pfx_load_module+0x10/0x10 kern :info : [ 5423.508681] [ T1658] ? security_kernel_post_read_file+0x35/0xf0 kern :info : [ 5423.516645] [ T1658] ? kernel_read_file+0x3d6/0x870 kern :info : [ 5423.522401] [ T1658] ? __pfx_kernel_read_file+0x10/0x10 kern :info : [ 5423.529212] [ T1658] ? init_module_from_file+0x157/0x1b0 kern :info : [ 5423.535536] [ T1658] init_module_from_file+0x157/0x1b0 kern :info : [ 5423.544935] [ T1658] ? __pfx_init_module_from_file+0x10/0x10 kern :info : [ 5423.552162] [ T1658] ? fdget+0x54/0x3b0 kern :info : [ 5423.556754] [ T1658] ? __pfx___x64_sys_openat+0x10/0x10 kern :info : [ 5423.566190] [ T1658] ? _raw_spin_lock+0x80/0xf0 kern :info : [ 5423.574838] [ T1658] ? __pfx__raw_spin_lock+0x10/0x10 kern :info : [ 5423.580774] [ T1658] ? do_syscall_64+0x140/0x5b0 kern :info : [ 5423.586317] [ T1658] idempotent_init_module+0x21c/0x770 kern :info : [ 5423.592478] [ T1658] ? __pfx_idempotent_init_module+0x10/0x10 kern :info : [ 5423.599828] [ T1658] ? fdget+0x54/0x3b0 kern :info : [ 5423.604386] [ T1658] ? security_capable+0x35/0xf0 kern :info : [ 5423.613239] [ T1658] __x64_sys_finit_module+0xca/0x170 kern :info : [ 5423.619267] [ T1658] do_syscall_64+0x108/0x5b0 kern :info : [ 5423.624907] [ T1658] ? do_syscall_64+0x140/0x5b0 kern :info : [ 5423.630418] [ T1658] ? irqentry_exit+0x76/0x4f0 kern :info : [ 5423.635766] [ T1658] entry_SYSCALL_64_after_hwframe+0x76/0x7e kern :info : [ 5423.645649] [ T1658] RIP: 0033:0x7f3663edd7b9 kern :info : [ 5423.650732] [ T1658] RSP: 002b:00007fffe974f718 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 kern :info : [ 5423.660773] [ T1658] RAX: ffffffffffffffda RBX: 00005555acf52ac0 RCX: 00007f3663edd7b9 kern :info : [ 5423.670099] [ T1658] RDX: 0000000000000000 RSI: 00005555acf52c40 RDI: 0000000000000004 kern :info : [ 5423.679369] [ T1658] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 kern :info : [ 5423.692029] [ T1658] R10: 0000000000000000 R11: 0000000000000246 R12: 00005555acf52c40 kern :info : [ 5423.701338] [ T1658] R13: 0000000000040000 R14: 00005555acf52be0 R15: 0000000000000000 kern :info : [ 5423.710800] [ T1658] kern :info : [ 5423.714370] [ T1658] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20261102/202611021447.f9ab47b7-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki