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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, kernel test robot noticed "BUG:using_smp_processor_id()in_preemptible" on: commit: 4c66bc7cacc08e8abcf5049d2b90bfd800904336 ("rcu/nocb: Use kthread parking instead of ad-hoc implementation") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master [test failed on linux-next/master 9221b2819b8a4196eecf5476d66201be60fbcf29] in testcase: boot compiler: gcc-13 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +--------------------------------------------------------------+------------+------------+ | | 6deb20902f | 4c66bc7cac | +--------------------------------------------------------------+------------+------------+ | BUG:using_smp_processor_id()in_preemptible | 0 | 12 | +--------------------------------------------------------------+------------+------------+ 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/202405072252.959dadc4-lkp@intel.com [ 4.099901][ T18] BUG: using smp_processor_id() in preemptible [00000000] code: rcuop/0/18 [ 4.101313][ T18] caller is debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.102493][ T18] CPU: 0 PID: 18 Comm: rcuop/0 Not tainted 6.9.0-rc2-00079-g4c66bc7cacc0 #1 [ 4.104098][ T18] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 4.104398][ T18] Call Trace: [ 4.104398][ T18] [ 4.104398][ T18] dump_stack_lvl (lib/dump_stack.c:116) [ 4.104398][ T18] dump_stack (lib/dump_stack.c:124) [ 4.104398][ T18] check_preemption_disabled (arch/x86/include/asm/preempt.h:84 (discriminator 15) lib/smp_processor_id.c:53 (discriminator 15)) [ 4.104398][ T18] debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.104398][ T18] rcu_rdp_is_offloaded (kernel/rcu/tree_plugin.h:27 (discriminator 1)) [ 4.104398][ T18] nocb_cb_wait (kernel/rcu/tree_nocb.h:936 (discriminator 2)) [ 4.104398][ T18] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 4.104398][ T18] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4421 (discriminator 16)) [ 4.104398][ T18] rcu_nocb_cb_kthread (kernel/rcu/tree_nocb.h:983 (discriminator 1)) [ 4.104398][ T18] ? nocb_cb_wait (kernel/rcu/tree_nocb.h:976) [ 4.104398][ T18] kthread (kernel/kthread.c:388) [ 4.104398][ T18] ? kthread (kernel/kthread.c:373 (discriminator 2)) [ 4.104398][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.104398][ T18] ret_from_fork (arch/x86/kernel/process.c:153) [ 4.104398][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.104398][ T18] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 4.104398][ T18] [ 4.106221][ T18] BUG: using smp_processor_id() in preemptible [00000000] code: rcuop/0/18 [ 4.107796][ T18] caller is debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.108547][ T18] CPU: 0 PID: 18 Comm: rcuop/0 Not tainted 6.9.0-rc2-00079-g4c66bc7cacc0 #1 [ 4.109667][ T18] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 4.111064][ T18] Call Trace: [ 4.111064][ T18] [ 4.111064][ T18] dump_stack_lvl (lib/dump_stack.c:116) [ 4.111064][ T18] dump_stack (lib/dump_stack.c:124) [ 4.111064][ T18] check_preemption_disabled (arch/x86/include/asm/preempt.h:84 (discriminator 15) lib/smp_processor_id.c:53 (discriminator 15)) [ 4.111064][ T18] debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.111064][ T18] rcu_rdp_is_offloaded (kernel/rcu/tree_plugin.h:27 (discriminator 1)) [ 4.111064][ T18] nocb_cb_wait (kernel/rcu/tree_nocb.h:936 (discriminator 2)) [ 4.111064][ T18] rcu_nocb_cb_kthread (kernel/rcu/tree_nocb.h:983 (discriminator 1)) [ 4.111064][ T18] ? nocb_cb_wait (kernel/rcu/tree_nocb.h:976) [ 4.111064][ T18] kthread (kernel/kthread.c:388) [ 4.111064][ T18] ? kthread (kernel/kthread.c:373 (discriminator 2)) [ 4.111064][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.111064][ T18] ret_from_fork (arch/x86/kernel/process.c:153) [ 4.111064][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.111064][ T18] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 4.111064][ T18] [ 4.132677][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 4.135331][ T18] BUG: using smp_processor_id() in preemptible [00000000] code: rcuop/0/18 [ 4.137454][ T18] caller is debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.137849][ T18] CPU: 0 PID: 18 Comm: rcuop/0 Not tainted 6.9.0-rc2-00079-g4c66bc7cacc0 #1 [ 4.139414][ T18] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 4.141064][ T18] Call Trace: [ 4.141064][ T18] [ 4.141064][ T18] dump_stack_lvl (lib/dump_stack.c:116) [ 4.141064][ T18] dump_stack (lib/dump_stack.c:124) [ 4.141064][ T18] check_preemption_disabled (arch/x86/include/asm/preempt.h:84 (discriminator 15) lib/smp_processor_id.c:53 (discriminator 15)) [ 4.141064][ T18] debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.141064][ T18] rcu_rdp_is_offloaded (kernel/rcu/tree_plugin.h:27 (discriminator 1)) [ 4.141064][ T18] nocb_cb_wait (kernel/rcu/tree_nocb.h:936 (discriminator 2)) [ 4.141064][ T18] rcu_nocb_cb_kthread (kernel/rcu/tree_nocb.h:983 (discriminator 1)) [ 4.141064][ T18] ? nocb_cb_wait (kernel/rcu/tree_nocb.h:976) [ 4.141064][ T18] kthread (kernel/kthread.c:388) [ 4.141064][ T18] ? kthread (kernel/kthread.c:373 (discriminator 2)) [ 4.141064][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.141064][ T18] ret_from_fork (arch/x86/kernel/process.c:153) [ 4.141064][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.141064][ T18] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 4.141064][ T18] [ 4.141391][ T18] BUG: using smp_processor_id() in preemptible [00000000] code: rcuop/0/18 [ 4.143427][ T18] caller is debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.144497][ T18] CPU: 0 PID: 18 Comm: rcuop/0 Not tainted 6.9.0-rc2-00079-g4c66bc7cacc0 #1 [ 4.146055][ T18] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 4.147731][ T18] Call Trace: [ 4.147731][ T18] [ 4.147731][ T18] dump_stack_lvl (lib/dump_stack.c:116) [ 4.147731][ T18] dump_stack (lib/dump_stack.c:124) [ 4.147731][ T18] check_preemption_disabled (arch/x86/include/asm/preempt.h:84 (discriminator 15) lib/smp_processor_id.c:53 (discriminator 15)) [ 4.147731][ T18] debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.147731][ T18] rcu_rdp_is_offloaded (kernel/rcu/tree_plugin.h:27 (discriminator 1)) [ 4.147731][ T18] nocb_cb_wait (kernel/rcu/tree_nocb.h:936 (discriminator 2)) [ 4.147731][ T18] rcu_nocb_cb_kthread (kernel/rcu/tree_nocb.h:983 (discriminator 1)) [ 4.147731][ T18] ? nocb_cb_wait (kernel/rcu/tree_nocb.h:976) [ 4.147731][ T18] kthread (kernel/kthread.c:388) [ 4.147731][ T18] ? kthread (kernel/kthread.c:373 (discriminator 2)) [ 4.147731][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.147731][ T18] ret_from_fork (arch/x86/kernel/process.c:153) [ 4.147731][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.147731][ T18] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 4.147731][ T18] [ 4.148538][ T18] BUG: using smp_processor_id() in preemptible [00000000] code: rcuop/0/18 [ 4.150537][ T18] caller is debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.151144][ T18] CPU: 0 PID: 18 Comm: rcuop/0 Not tainted 6.9.0-rc2-00079-g4c66bc7cacc0 #1 [ 4.152635][ T18] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 4.154398][ T18] Call Trace: [ 4.154398][ T18] [ 4.154398][ T18] dump_stack_lvl (lib/dump_stack.c:116) [ 4.154398][ T18] dump_stack (lib/dump_stack.c:124) [ 4.154398][ T18] check_preemption_disabled (arch/x86/include/asm/preempt.h:84 (discriminator 15) lib/smp_processor_id.c:53 (discriminator 15)) [ 4.154398][ T18] debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.154398][ T18] rcu_rdp_is_offloaded (kernel/rcu/tree_plugin.h:27 (discriminator 1)) [ 4.154398][ T18] nocb_cb_wait (kernel/rcu/tree_nocb.h:936 (discriminator 2)) [ 4.154398][ T18] rcu_nocb_cb_kthread (kernel/rcu/tree_nocb.h:983 (discriminator 1)) [ 4.154398][ T18] ? nocb_cb_wait (kernel/rcu/tree_nocb.h:976) [ 4.154398][ T18] kthread (kernel/kthread.c:388) [ 4.154398][ T18] ? kthread (kernel/kthread.c:373 (discriminator 2)) [ 4.154398][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.154398][ T18] ret_from_fork (arch/x86/kernel/process.c:153) [ 4.154398][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.154398][ T18] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 4.154398][ T18] [ 4.156100][ T1] smp: Bringing up secondary CPUs ... [ 4.159421][ T18] BUG: using smp_processor_id() in preemptible [00000000] code: rcuop/0/18 [ 4.161134][ T18] caller is debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.162569][ T18] CPU: 0 PID: 18 Comm: rcuop/0 Not tainted 6.9.0-rc2-00079-g4c66bc7cacc0 #1 [ 4.164398][ T18] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 4.164398][ T18] Call Trace: [ 4.164398][ T18] [ 4.164398][ T18] dump_stack_lvl (lib/dump_stack.c:116) [ 4.164398][ T18] dump_stack (lib/dump_stack.c:124) [ 4.164398][ T18] check_preemption_disabled (arch/x86/include/asm/preempt.h:84 (discriminator 15) lib/smp_processor_id.c:53 (discriminator 15)) [ 4.164398][ T18] debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.164398][ T18] rcu_rdp_is_offloaded (kernel/rcu/tree_plugin.h:27 (discriminator 1)) [ 4.164398][ T18] nocb_cb_wait (kernel/rcu/tree_nocb.h:936 (discriminator 2)) [ 4.164398][ T18] rcu_nocb_cb_kthread (kernel/rcu/tree_nocb.h:983 (discriminator 1)) [ 4.164398][ T18] ? nocb_cb_wait (kernel/rcu/tree_nocb.h:976) [ 4.164398][ T18] kthread (kernel/kthread.c:388) [ 4.164398][ T18] ? kthread (kernel/kthread.c:373 (discriminator 2)) [ 4.164398][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.164398][ T18] ret_from_fork (arch/x86/kernel/process.c:153) [ 4.164398][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.164398][ T18] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 4.164398][ T18] [ 4.168016][ T18] BUG: using smp_processor_id() in preemptible [00000000] code: rcuop/0/18 [ 4.170139][ T18] caller is debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.171170][ T18] CPU: 0 PID: 18 Comm: rcuop/0 Not tainted 6.9.0-rc2-00079-g4c66bc7cacc0 #1 [ 4.173242][ T18] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 4.174398][ T18] Call Trace: [ 4.174398][ T18] [ 4.174398][ T18] dump_stack_lvl (lib/dump_stack.c:116) [ 4.174398][ T18] dump_stack (lib/dump_stack.c:124) [ 4.174398][ T18] check_preemption_disabled (arch/x86/include/asm/preempt.h:84 (discriminator 15) lib/smp_processor_id.c:53 (discriminator 15)) [ 4.174398][ T18] debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.174398][ T18] rcu_rdp_is_offloaded (kernel/rcu/tree_plugin.h:27 (discriminator 1)) [ 4.174398][ T18] nocb_cb_wait (kernel/rcu/tree_nocb.h:936 (discriminator 2)) [ 4.174398][ T18] rcu_nocb_cb_kthread (kernel/rcu/tree_nocb.h:983 (discriminator 1)) [ 4.174398][ T18] ? nocb_cb_wait (kernel/rcu/tree_nocb.h:976) [ 4.174398][ T18] kthread (kernel/kthread.c:388) [ 4.174398][ T18] ? kthread (kernel/kthread.c:373 (discriminator 2)) [ 4.174398][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.174398][ T18] ret_from_fork (arch/x86/kernel/process.c:153) [ 4.174398][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.174398][ T18] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 4.174398][ T18] [ 4.189949][ T1] smpboot: x86: Booting SMP configuration: [ 4.191158][ T1] .... node #0, CPUs: #1 [ 1.668906][ T0] masked ExtINT on CPU#1 [ 4.202955][ T29] BUG: using smp_processor_id() in preemptible [00000000] code: rcuop/1/29 [ 4.204471][ T29] caller is debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.205845][ T29] CPU: 0 PID: 29 Comm: rcuop/1 Not tainted 6.9.0-rc2-00079-g4c66bc7cacc0 #1 [ 4.207731][ T29] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 4.207731][ T29] Call Trace: [ 4.207731][ T29] [ 4.207731][ T29] dump_stack_lvl (lib/dump_stack.c:116) [ 4.207731][ T29] dump_stack (lib/dump_stack.c:124) [ 4.207731][ T29] check_preemption_disabled (arch/x86/include/asm/preempt.h:84 (discriminator 15) lib/smp_processor_id.c:53 (discriminator 15)) [ 4.207731][ T29] debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.207731][ T29] rcu_rdp_is_offloaded (kernel/rcu/tree_plugin.h:27 (discriminator 1)) [ 4.207731][ T29] nocb_cb_wait (kernel/rcu/tree_nocb.h:936 (discriminator 2)) [ 4.207731][ T29] ? __this_cpu_preempt_check (lib/smp_processor_id.c:67) [ 4.207731][ T29] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4421 (discriminator 16)) [ 4.207731][ T29] rcu_nocb_cb_kthread (kernel/rcu/tree_nocb.h:983 (discriminator 1)) [ 4.207731][ T29] ? nocb_cb_wait (kernel/rcu/tree_nocb.h:976) [ 4.207731][ T29] kthread (kernel/kthread.c:388) [ 4.207731][ T29] ? kthread (kernel/kthread.c:373 (discriminator 2)) [ 4.207731][ T29] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.207731][ T29] ret_from_fork (arch/x86/kernel/process.c:153) [ 4.207731][ T29] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.207731][ T29] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 4.207731][ T29] [ 4.207989][ T18] BUG: using smp_processor_id() in preemptible [00000000] code: rcuop/0/18 [ 4.209997][ T18] caller is debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.211188][ T18] CPU: 0 PID: 18 Comm: rcuop/0 Not tainted 6.9.0-rc2-00079-g4c66bc7cacc0 #1 [ 4.212898][ T18] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 4.214398][ T18] Call Trace: [ 4.214398][ T18] [ 4.214398][ T18] dump_stack_lvl (lib/dump_stack.c:116) [ 4.214398][ T18] dump_stack (lib/dump_stack.c:124) [ 4.214398][ T18] check_preemption_disabled (arch/x86/include/asm/preempt.h:84 (discriminator 15) lib/smp_processor_id.c:53 (discriminator 15)) [ 4.214398][ T18] debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.214398][ T18] rcu_rdp_is_offloaded (kernel/rcu/tree_plugin.h:27 (discriminator 1)) [ 4.214398][ T18] nocb_cb_wait (kernel/rcu/tree_nocb.h:936 (discriminator 2)) [ 4.214398][ T18] rcu_nocb_cb_kthread (kernel/rcu/tree_nocb.h:983 (discriminator 1)) [ 4.214398][ T18] ? nocb_cb_wait (kernel/rcu/tree_nocb.h:976) [ 4.214398][ T18] kthread (kernel/kthread.c:388) [ 4.214398][ T18] ? kthread (kernel/kthread.c:373 (discriminator 2)) [ 4.214398][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.214398][ T18] ret_from_fork (arch/x86/kernel/process.c:153) [ 4.214398][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.214398][ T18] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 4.214398][ T18] [ 4.215399][ T18] BUG: using smp_processor_id() in preemptible [00000000] code: rcuop/0/18 [ 4.217064][ T18] caller is debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.217772][ T18] CPU: 0 PID: 18 Comm: rcuop/0 Not tainted 6.9.0-rc2-00079-g4c66bc7cacc0 #1 [ 4.219363][ T18] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 4.221064][ T18] Call Trace: [ 4.221064][ T18] [ 4.221064][ T18] dump_stack_lvl (lib/dump_stack.c:116) [ 4.221064][ T18] dump_stack (lib/dump_stack.c:124) [ 4.221064][ T18] check_preemption_disabled (arch/x86/include/asm/preempt.h:84 (discriminator 15) lib/smp_processor_id.c:53 (discriminator 15)) [ 4.221064][ T18] debug_smp_processor_id (lib/smp_processor_id.c:61) [ 4.221064][ T18] rcu_rdp_is_offloaded (kernel/rcu/tree_plugin.h:27 (discriminator 1)) [ 4.221064][ T18] nocb_cb_wait (kernel/rcu/tree_nocb.h:936 (discriminator 2)) [ 4.221064][ T18] rcu_nocb_cb_kthread (kernel/rcu/tree_nocb.h:983 (discriminator 1)) [ 4.221064][ T18] ? nocb_cb_wait (kernel/rcu/tree_nocb.h:976) [ 4.221064][ T18] kthread (kernel/kthread.c:388) [ 4.221064][ T18] ? kthread (kernel/kthread.c:373 (discriminator 2)) [ 4.221064][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.221064][ T18] ret_from_fork (arch/x86/kernel/process.c:153) [ 4.221064][ T18] ? kthread_complete_and_exit (kernel/kthread.c:341) [ 4.221064][ T18] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 4.221064][ T18] The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240507/202405072252.959dadc4-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki