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Date: Tue, 16 Apr 2024 09:41:36 +0800
From: kernel test robot <oliver.sang@intel.com>
To: Daniel Bristot de Oliveira <bristot@kernel.org>
CC: <oe-lkp@lists.linux.dev>, <lkp@intel.com>, <linux-kernel@vger.kernel.org>,
	<aubrey.li@linux.intel.com>, <yu.c.chen@intel.com>, <oliver.sang@intel.com>
Subject: [bristot:dl_server_v6_try11] [sched/fair] 1abba9e7f4:
 RIP:__dl_server_attach_root
Message-ID: <202404160945.7f0031c5-lkp@intel.com>
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Hello,

kernel test robot noticed "RIP:__dl_server_attach_root" on:

commit: 1abba9e7f47ad4a5dfd8b2dfb59aa607983cdce4 ("sched/fair: Fair server interface")
git://git.kernel.org/cgit/linux/kernel/git/bristot/linux dl_server_v6_try11

in testcase: kernel-selftests
version: kernel-selftests-x86_64-7a6d30c9-1_20240318
with following parameters:

	group: cgroup


compiler: gcc-13
test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 32G 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 <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202404160945.7f0031c5-lkp@intel.com


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240416/202404160945.7f0031c5-lkp@intel.com


[  387.680270][  T212] divide error: 0000 [#1] PREEMPT SMP KASAN NOPTI
[  387.680905][  T212] CPU: 0 PID: 212 Comm: kworker/2:1 Not tainted 6.9.0-rc2-00003-g1abba9e7f47a #1
[  387.681752][  T212] Hardware name: Gigabyte Technology Co., Ltd. X299 UD4 Pro/X299 UD4 Pro-CF, BIOS F8a 04/27/2021
[  387.682702][  T212] Workqueue: events cpuset_hotplug_workfn
[  387.683256][  T212] RIP: 0010:__dl_server_attach_root+0x143/0x430
[  387.683848][  T212] Code: ea 03 80 3c 02 00 0f 85 d9 02 00 00 4c 01 a5 88 00 00 00 44 89 e0 41 81 fc 00 00 00 80 75 0a 41 83 fd ff 0f 84 1c 0e a7 02 99 <41> f7 fd f7 d8 89 04 24 e8 90 cb aa 02 85 c0 0f 85 6e 01 00 00 49
[  387.685550][  T212] RSP: 0018:ffffc9000110f988 EFLAGS: 00010887
[  387.686124][  T212] RAX: 0000000000000000 RBX: 0000000000047100 RCX: dffffc0000000000
[  387.686861][  T212] RDX: 0000000000000000 RSI: 1ffffffff0bc1724 RDI: ffffffff86ef2948
[  387.687602][  T212] RBP: ffffffff86ef28c0 R08: ffff888100058638 R09: fffff52000221f23
[  387.688345][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  387.689083][  T212] R13: 0000000000000000 R14: 0000000000000002 R15: ffff888805d47100
[  387.689824][  T212] FS:  0000000000000000(0000) GS:ffff888805c00000(0000) knlGS:0000000000000000
[  387.690646][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  387.691264][  T212] CR2: 0000000000451c00 CR3: 000000089ba7a002 CR4: 00000000003706f0
[  387.692005][  T212] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  387.692744][  T212] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  387.693490][  T212] Call Trace:
[  387.693842][  T212]  <TASK>
[  387.694161][  T212]  ? die+0x36/0x90
[  387.694551][  T212]  ? do_trap+0x19e/0x240
[  387.694977][  T212]  ? __dl_server_attach_root+0x143/0x430
[  387.695522][  T212]  ? __dl_server_attach_root+0x143/0x430
[  387.696065][  T212]  ? do_error_trap+0xa3/0x170
[  387.696526][  T212]  ? __dl_server_attach_root+0x143/0x430
[  387.697066][  T212]  ? exc_divide_error+0x38/0x50
[  387.697542][  T212]  ? __dl_server_attach_root+0x143/0x430
[  387.698081][  T212]  ? asm_exc_divide_error+0x1a/0x20
[  387.698592][  T212]  ? __dl_server_attach_root+0x143/0x430
[  387.699133][  T212]  ? __dl_server_attach_root+0x100/0x430
[  387.699675][  T212]  ? sched_clock+0x10/0x30
[  387.700119][  T212]  ? lock_pin_lock+0x162/0x240
[  387.700590][  T212]  rq_attach_root+0x3c1/0x490
[  387.701055][  T212]  cpu_attach_domain+0x4c5/0x7e0
[  387.701536][  T212]  ? mark_held_locks+0x96/0xe0
[  387.702009][  T212]  partition_sched_domains_locked+0x356/0xa70
[  387.702588][  T212]  rebuild_sched_domains_locked+0x2e1/0x480
[  387.703149][  T212]  ? __pfx_rebuild_sched_domains_locked+0x10/0x10
[  387.703754][  T212]  ? trace_contention_end+0xf0/0x140
[  387.704353][  T212]  cpuset_hotplug_workfn+0x49b/0xe40
[  387.704865][  T212]  ? __pfx_lock_acquire+0x10/0x10
[  387.705354][  T212]  ? __pfx_cpuset_hotplug_workfn+0x10/0x10
[  387.705908][  T212]  ? lock_is_held_type+0x8f/0x100
[  387.706404][  T212]  process_one_work+0x804/0x1720
[  387.706891][  T212]  ? __pfx_lock_acquire+0x10/0x10
[  387.707385][  T212]  ? __pfx_process_one_work+0x10/0x10
[  387.707903][  T212]  ? assign_work+0x16c/0x240
[  387.708364][  T212]  worker_thread+0x724/0x1300
[  387.708830][  T212]  ? __pfx_worker_thread+0x10/0x10
[  387.710258][  T212]  kthread+0x2de/0x3c0
[  387.710670][  T212]  ? __pfx_kthread+0x10/0x10
[  387.711122][  T212]  ret_from_fork+0x31/0x70
[  387.711565][  T212]  ? __pfx_kthread+0x10/0x10
[  387.712023][  T212]  ret_from_fork_asm+0x1a/0x30
[  387.712501][  T212]  </TASK>
[  387.712828][  T212] Modules linked in: netconsole openvswitch nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 intel_rapl_msr intel_rapl_common nfit libnvdimm x86_pkg_temp_thermal intel_powerclamp btrfs coretemp blake2b_generic xor zstd_compress kvm_intel raid6_pq libcrc32c kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 nvme rapl nvme_core ahci intel_cstate t10_pi libahci ipmi_devintf mei_me ipmi_msghandler wmi_bmof mxm_wmi intel_wmi_thunderbolt intel_uncore crc64_rocksoft_generic wdat_wdt libata crc64_rocksoft i2c_i801 crc64 ioatdma mei i2c_smbus dca wmi binfmt_misc loop fuse drm dm_mod ip_tables
[  387.717730][  T212] ---[ end trace 0000000000000000 ]---
[  387.718259][  T212] RIP: 0010:__dl_server_attach_root+0x143/0x430
[  387.718852][  T212] Code: ea 03 80 3c 02 00 0f 85 d9 02 00 00 4c 01 a5 88 00 00 00 44 89 e0 41 81 fc 00 00 00 80 75 0a 41 83 fd ff 0f 84 1c 0e a7 02 99 <41> f7 fd f7 d8 89 04 24 e8 90 cb aa 02 85 c0 0f 85 6e 01 00 00 49
[  387.720553][  T212] RSP: 0018:ffffc9000110f988 EFLAGS: 00010887
[  387.721130][  T212] RAX: 0000000000000000 RBX: 0000000000047100 RCX: dffffc0000000000
[  387.721871][  T212] RDX: 0000000000000000 RSI: 1ffffffff0bc1724 RDI: ffffffff86ef2948
[  387.722616][  T212] RBP: ffffffff86ef28c0 R08: ffff888100058638 R09: fffff52000221f23
[  387.723359][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  387.724101][  T212] R13: 0000000000000000 R14: 0000000000000002 R15: ffff888805d47100
[  387.724839][  T212] FS:  0000000000000000(0000) GS:ffff888805c00000(0000) knlGS:0000000000000000
[  387.725661][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  387.726277][  T212] CR2: 0000000000451c00 CR3: 000000089ba7a002 CR4: 00000000003706f0
[  387.727017][  T212] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  387.727755][  T212] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  387.728499][  T212] Kernel panic - not syncing: Fatal exception
[  387.729153][  T212] Kernel Offset: disabled


-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki