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X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: G+iG+XTY7J6HNoY2Yc0EPBQaEQ6yEehXqIaAvmHUfaUxDXpq3JcyuxvauxfNDxQx8MVLpiXMUsJfW7ZBCiUDqA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR11MB8364 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, kernel test robot noticed "WARNING:at_block/mq-deadline.c:#dd_exit_sched" on: commit: 567b5a4f2f8b9e9fe97d5f8dca266d95c734ae91 ("[PATCH v2] blk-mq: release scheduler resource when request complete") url: https://github.com/intel-lab-lkp/linux/commits/chengming-zhou-linux-dev/blk-mq-release-scheduler-resource-when-request-complete/20230813-232513 base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/all/20230813152325.3017343-1-chengming.zhou@linux.dev/ patch subject: [PATCH v2] blk-mq: release scheduler resource when request complete this also caused xfstests.generic.704.fail in testcase: xfstests version: xfstests-x86_64-bb8af9c-1_20230807 with following parameters: disk: 4HDD fs: ext4 test: generic-704 compiler: gcc-12 test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz (Skylake) 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 | Closes: https://lore.kernel.org/oe-lkp/202308172100.8ce4b853-oliver.sang@intel.com [ 222.617396][ T2216] ------------[ cut here ]------------ [ 222.622837][ T2216] statistics for priority 1: i 276 m 0 d 276 c 278 [ 222.629307][ T2216] WARNING: CPU: 0 PID: 2216 at block/mq-deadline.c:680 dd_exit_sched (block/mq-deadline.c:680 (discriminator 3)) [ 222.638218][ T2216] Modules linked in: scsi_debug(-) dm_mod btrfs blake2b_generic xor intel_rapl_msr raid6_pq intel_rapl_common zstd_compress libcrc32c x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel sd_mod t10_pi kvm crc64_rocksoft_generic crc64_rocksoft crc64 irqbypass sg crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 ipmi_devintf ipmi_msghandler mei_wdt i915 rapl drm_buddy intel_cstate intel_gtt wmi_bmof drm_display_helper intel_uncore drm_kms_helper ahci libahci mei_me libata intel_pch_thermal ttm mei video wmi intel_pmc_core acpi_pad drm fuse ip_tables [ 222.690679][ T2216] CPU: 0 PID: 2216 Comm: modprobe Tainted: G I 6.5.0-rc5-00190-g567b5a4f2f8b #1 [ 222.700878][ T2216] Hardware name: Dell Inc. OptiPlex 7040/0Y7WYT, BIOS 1.1.1 10/07/2015 [ 222.708919][ T2216] RIP: 0010:dd_exit_sched (block/mq-deadline.c:680 (discriminator 3)) [ 222.714130][ T2216] Code: 89 da 8b 4b 04 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e c4 00 00 00 8b 13 44 89 e6 48 c7 c7 20 d3 e2 83 e8 e2 d1 08 ff <0f> 0b e9 f4 fe ff ff 0f 0b e9 78 fe ff ff 48 89 ee 48 c7 c7 20 cb All code ======== 0: 89 da mov %ebx,%edx 2: 8b 4b 04 mov 0x4(%rbx),%ecx 5: 48 c1 ea 03 shr $0x3,%rdx 9: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax d: 84 c0 test %al,%al f: 74 08 je 0x19 11: 3c 03 cmp $0x3,%al 13: 0f 8e c4 00 00 00 jle 0xdd 19: 8b 13 mov (%rbx),%edx 1b: 44 89 e6 mov %r12d,%esi 1e: 48 c7 c7 20 d3 e2 83 mov $0xffffffff83e2d320,%rdi 25: e8 e2 d1 08 ff callq 0xffffffffff08d20c 2a:* 0f 0b ud2 <-- trapping instruction 2c: e9 f4 fe ff ff jmpq 0xffffffffffffff25 31: 0f 0b ud2 33: e9 78 fe ff ff jmpq 0xfffffffffffffeb0 38: 48 89 ee mov %rbp,%rsi 3b: 48 rex.W 3c: c7 .byte 0xc7 3d: c7 (bad) 3e: 20 cb and %cl,%bl Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: e9 f4 fe ff ff jmpq 0xfffffffffffffefb 7: 0f 0b ud2 9: e9 78 fe ff ff jmpq 0xfffffffffffffe86 e: 48 89 ee mov %rbp,%rsi 11: 48 rex.W 12: c7 .byte 0xc7 13: c7 (bad) 14: 20 cb and %cl,%bl [ 222.733468][ T2216] RSP: 0018:ffffc9000092f858 EFLAGS: 00010282 [ 222.739367][ T2216] RAX: 0000000000000000 RBX: ffff88819e33e0b0 RCX: ffffffff821fb87e [ 222.747166][ T2216] RDX: 1ffff110fe1c57b8 RSI: 0000000000000008 RDI: ffffc9000092f610 [ 222.754975][ T2216] RBP: 0000000000000116 R08: 0000000000000001 R09: fffff52000125ec2 [ 222.762782][ T2216] R10: ffffc9000092f617 R11: 0000000000000001 R12: 0000000000000001 [ 222.770591][ T2216] R13: dffffc0000000000 R14: ffff88819e33e000 R15: ffff88819e33e0bc [ 222.778386][ T2216] FS: 00007fd9aea5e540(0000) GS:ffff8887f0e00000(0000) knlGS:0000000000000000 [ 222.787144][ T2216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 222.793561][ T2216] CR2: 00007fbe00432bb0 CR3: 0000000126856005 CR4: 00000000003706f0 [ 222.801359][ T2216] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 222.809156][ T2216] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 222.816970][ T2216] Call Trace: [ 222.820093][ T2216] [ 222.822872][ T2216] ? __warn (kernel/panic.c:673) [ 222.826794][ T2216] ? dd_exit_sched (block/mq-deadline.c:680 (discriminator 3)) [ 222.831403][ T2216] ? report_bug (lib/bug.c:180 lib/bug.c:219) [ 222.835752][ T2216] ? handle_bug (arch/x86/kernel/traps.c:324) [ 222.839912][ T2216] ? exc_invalid_op (arch/x86/kernel/traps.c:345 (discriminator 1)) [ 222.844433][ T2216] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:568) [ 222.849286][ T2216] ? llist_add_batch (lib/llist.c:33 (discriminator 14)) [ 222.853980][ T2216] ? dd_exit_sched (block/mq-deadline.c:680 (discriminator 3)) [ 222.858586][ T2216] ? dd_exit_sched (block/mq-deadline.c:680 (discriminator 3)) [ 222.863193][ T2216] blk_mq_exit_sched (block/blk-mq-sched.c:550) [ 222.867973][ T2216] ? blk_mq_sched_free_rqs (block/blk-mq-sched.c:527) [ 222.873257][ T2216] ? __mutex_lock_slowpath (kernel/locking/mutex.c:282) [ 222.878384][ T2216] ? ioc_clear_queue (include/linux/list.h:292 block/blk-ioc.c:174) [ 222.883076][ T2216] ? blk_mq_poll (block/blk-mq.c:4832) [ 222.887324][ T2216] elevator_exit (block/elevator.c:168) [ 222.891572][ T2216] del_gendisk (block/genhd.c:701) [ 222.895834][ T2216] ? diskstats_show (block/genhd.c:631) [ 222.900526][ T2216] ? __pm_runtime_resume (drivers/base/power/runtime.c:1174) [ 222.905568][ T2216] sd_remove (drivers/scsi/sd.c:3736) sd_mod [ 222.910436][ T2216] device_release_driver_internal (drivers/base/dd.c:1272 drivers/base/dd.c:1293) [ 222.916335][ T2216] bus_remove_device (include/linux/kobject.h:191 drivers/base/base.h:73 drivers/base/bus.c:581) [ 222.921225][ T2216] device_del (drivers/base/core.c:3815) [ 222.925388][ T2216] ? attribute_container_device_trigger (drivers/base/attribute_container.c:357) [ 222.931807][ T2216] ? __device_link_del (drivers/base/core.c:3769) [ 222.936760][ T2216] ? attribute_container_device_trigger_safe (drivers/base/attribute_container.c:357) [ 222.943612][ T2216] __scsi_remove_device (drivers/scsi/scsi_sysfs.c:1489) [ 222.948651][ T2216] scsi_forget_host (drivers/scsi/scsi_scan.c:1988) [ 222.953243][ T2216] scsi_remove_host (drivers/scsi/hosts.c:182) [ 222.957838][ T2216] sdebug_driver_remove (drivers/scsi/scsi_debug.c:7841) scsi_debug [ 222.963933][ T2216] ? kernfs_remove_by_name_ns (fs/kernfs/dir.c:1679) [ 222.969492][ T2216] device_release_driver_internal (drivers/base/dd.c:1272 drivers/base/dd.c:1293) [ 222.975392][ T2216] bus_remove_device (include/linux/kobject.h:191 drivers/base/base.h:73 drivers/base/bus.c:581) [ 222.980173][ T2216] device_del (drivers/base/core.c:3815) [ 222.984349][ T2216] ? __device_link_del (drivers/base/core.c:3769) [ 222.989299][ T2216] ? mutex_unlock (arch/x86/include/asm/atomic64_64.h:109 include/linux/atomic/atomic-arch-fallback.h:4303 include/linux/atomic/atomic-long.h:1499 include/linux/atomic/atomic-instrumented.h:4446 kernel/locking/mutex.c:181 kernel/locking/mutex.c:540) [ 222.993645][ T2216] ? __mutex_unlock_slowpath+0x2b0/0x2b0 [ 223.000160][ T2216] device_unregister (drivers/base/core.c:3732 drivers/base/core.c:3845) [ 223.004772][ T2216] sdebug_do_remove_host (drivers/scsi/scsi_debug.c:7299) scsi_debug [ 223.011039][ T2216] scsi_debug_exit (drivers/scsi/scsi_debug.c:7670) scsi_debug [ 223.016625][ T2216] __do_sys_delete_module+0x316/0x540 [ 223.022880][ T2216] ? module_flags (kernel/module/main.c:698) [ 223.027401][ T2216] ? task_work_cancel (kernel/task_work.c:147) [ 223.032081][ T2216] ? _raw_spin_lock (arch/x86/include/asm/atomic.h:115 include/linux/atomic/atomic-arch-fallback.h:2155 include/linux/atomic/atomic-instrumented.h:1296 include/asm-generic/qspinlock.h:111 include/linux/spinlock.h:187 include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 223.036590][ T2216] ? exit_to_user_mode_loop (include/linux/sched.h:2337 include/linux/resume_user_mode.h:61 kernel/entry/common.c:171) [ 223.041890][ T2216] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80) [ 223.046154][ T2216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120) [ 223.051867][ T2216] RIP: 0033:0x7fd9aeb83417 [ 223.056129][ T2216] Code: 73 01 c3 48 8b 0d 79 1a 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 49 1a 0d 00 f7 d8 64 89 01 48 All code ======== 0: 73 01 jae 0x3 2: c3 retq 3: 48 8b 0d 79 1a 0d 00 mov 0xd1a79(%rip),%rcx # 0xd1a83 a: f7 d8 neg %eax c: 64 89 01 mov %eax,%fs:(%rcx) f: 48 83 c8 ff or $0xffffffffffffffff,%rax 13: c3 retq 14: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 1b: 00 00 00 1e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 23: b8 b0 00 00 00 mov $0xb0,%eax 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 retq 33: 48 8b 0d 49 1a 0d 00 mov 0xd1a49(%rip),%rcx # 0xd1a83 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 retq 9: 48 8b 0d 49 1a 0d 00 mov 0xd1a49(%rip),%rcx # 0xd1a59 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20230817/202308172100.8ce4b853-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki