These things are in 5.8.4 AFAICT, and the lockups are still there: [320616.602705] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [hppa2.0-unknown:29093] [320616.602705] Modules linked in: 8021q ipmi_poweroff ipmi_si ipmi_devintf sata_via ipmi_msghandler cbc dm_zero dm_snapshot dm_mirror dm_region_hash dm_log dm_crypt dm_bufio pata_sil680 libata [320616.602705] CPU: 0 PID: 29093 Comm: hppa2.0-unknown Not tainted 5.8.4-gentoo-parisc64 #1 [320616.602705] Hardware name: 9000/785/C8000 [320616.602705] [320616.602705] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI [320616.602705] PSW: 00001000000001101111111100001111 Not tainted [320616.602705] r00-03 000000ff0806ff0f 0000000040558f08 00000000402706a8 00000040838787e0 [320616.602705] r04-07 0000000040a303e0 00000000409eafa0 0000000040c5b690 0000000041fce0d0 [320616.602705] r08-11 00000040838787e0 0000000000000001 00000000409fbf80 0000000040c5b740 [320616.602705] r12-15 0000000041fce0d8 00000000409eafa0 0000000040187140 0000000040a56be0 [320616.602705] r16-19 0000000040a56be0 0000000000000004 0000000001e92000 0000000000000002 [320616.602705] r20-23 0000000000000001 0000000000000000 0000000000000000 0000000000000002 [320616.602705] r24-27 0000000000000004 0000000000000000 0000000000000002 0000000040a303e0 [320616.602705] r28-31 0000000000000011 00000040838788e0 0000004083878810 0000000042001140 [320616.602705] sr00-03 00000000072a0800 0000000007296800 0000000000000000 00000000072a0800 [320616.602705] sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [320616.602705] [320616.602705] IASQ: 0000000000000000 0000000000000000 IAOQ: 00000000402706d0 00000000402706d4 [320616.602705] IIR: 0ff0109c ISR: 000000005836f8a0 IOR: 0000000000000001 [320616.602705] CPU: 0 CR30: 0000004083878000 CR31: ffffffffffffffff [320616.602705] ORIG_R28: 0000000000000801 [320616.602705] IAOQ[0]: smp_call_function_many_cond+0x490/0x500 [320616.602705] IAOQ[1]: smp_call_function_many_cond+0x494/0x500 [320616.602705] RP(r2): smp_call_function_many_cond+0x468/0x500 [320616.602705] Backtrace: [320616.602705] [<0000000040270824>] on_each_cpu+0x5c/0x98 [320616.602705] [<0000000040186a0c>] flush_tlb_all+0x204/0x228 [320616.602705] [<00000000402ef1f8>] tlb_finish_mmu+0x1d8/0x210 [320616.602705] [<00000000402eb820>] exit_mmap+0x1d8/0x370 [320616.602705] [<00000000401b5ec0>] mmput+0xe8/0x260 [320616.602705] [<00000000401c1690>] do_exit+0x558/0x12e8 [320616.602705] [<00000000401c3f18>] do_group_exit+0x50/0x118 [320616.602705] [<00000000401c4000>] sys_exit_group+0x20/0x28 [320616.602705] [<0000000040192018>] syscall_exit+0x0/0x14 [320616.602705] [320619.854705] watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [sh:29109] [320619.854705] Modules linked in: 8021q ipmi_poweroff ipmi_si ipmi_devintf sata_via ipmi_msghandler cbc dm_zero dm_snapshot dm_mirror dm_region_hash dm_log dm_crypt dm_bufio pata_sil680 libata [320619.854705] CPU: 1 PID: 29109 Comm: sh Tainted: G L 5.8.4-gentoo-parisc64 #1 [320619.854705] Hardware name: 9000/785/C8000 [320619.854705] [320619.854705] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI [320619.854705] PSW: 00001000000001001111111100001111 Tainted: G L [320619.854705] r00-03 000000ff0804ff0f 0000000040558f08 00000000402706a8 0000004083b089e0 [320619.854705] r04-07 0000000040a303e0 00000000409eafa0 0000000040c5b690 0000000041fe60d0 [320619.854705] r08-11 0000004083b089e0 0000000000000001 00000000409fbf80 0000000040c5b740 [320619.854705] r12-15 0000000041fe60d8 00000000409eafa0 0000000040187ce0 0000000040a56be0 [320619.854705] r16-19 0000000040a56be0 0000000000000004 0000000001e92000 0000000000000002 [320619.854705] r20-23 0000000000000001 0000000000000000 0000000000000000 0000000000000002 [320619.854705] r24-27 0000000000000004 0000000000000000 0000000000000002 0000000040a303e0 [320619.854705] r28-31 0000000000000011 0000004083b08ae0 0000004083b08a10 0000000042001ce0 [320619.854705] sr00-03 00000000072a4800 00000000072a4800 0000000000000000 00000000072a5800 [320619.854705] sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [320619.854705] [320619.854705] IASQ: 0000000000000000 0000000000000000 IAOQ: 00000000402706d0 00000000402706d4 [320619.854705] IIR: 0ff0109c ISR: 0000000000000000 IOR: 0000000000000001 [320619.854705] CPU: 1 CR30: 0000004083b08000 CR31: ffffffffffffffff [320619.854705] ORIG_R28: 0000000000000801 [320619.854705] IAOQ[0]: smp_call_function_many_cond+0x490/0x500 [320619.854705] IAOQ[1]: smp_call_function_many_cond+0x494/0x500 [320619.854705] RP(r2): smp_call_function_many_cond+0x468/0x500 [320619.854705] Backtrace: [320619.854705] [<0000000040270824>] on_each_cpu+0x5c/0x98 [320619.854705] [<0000000040186a0c>] flush_tlb_all+0x204/0x228 [320619.854705] [<00000000402ef1f8>] tlb_finish_mmu+0x1d8/0x210 [320619.854705] [<00000000402eb820>] exit_mmap+0x1d8/0x370 [320619.854705] [<00000000401b5ec0>] mmput+0xe8/0x260 [320619.854705] [<0000000040343254>] begin_new_exec+0x684/0x1140 [320619.854705] [<00000000403e5790>] load_elf_binary+0xc00/0x18e0 [320619.854705] [<000000004034237c>] __do_execve_file.isra.0+0xaa4/0x10d0 [320619.854705] [<0000000040343eb8>] compat_sys_execve+0x70/0x88 [320619.854705] [<0000000040192018>] syscall_exit+0x0/0x14 [320619.854705] [320656.138705] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [320656.138705] (detected by 0, t=15002 jiffies, g=29568801, q=103) [320656.138705] rcu: All QSes seen, last rcu_sched kthread activity 15000 (4375056330-4375041330), jiffies_till_next_fqs=1, root ->qsmask 0x0 [320656.138705] rcu: rcu_sched kthread starved for 15000 jiffies! g29568801 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x200 ->cpu=3 [320656.138705] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [320656.138705] rcu: RCU grace-period kthread stack dump: [320656.138705] rcu_sched R 0 10 2 0x00000000 [320656.138705] Backtrace: [320656.138705] [320656.922716] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 60s! [320657.026717] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 60s! [320657.130716] Showing busy workqueues and worker pools: [320657.198716] workqueue events: flags=0x0 [320657.250717] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [320657.254705] pending: vmstat_shepherd [320657.394718] workqueue events_power_efficient: flags=0x80 [320657.466715] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [320657.470705] pending: fb_flashcursor [320657.610716] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [320657.614705] pending: neigh_periodic_work, neigh_periodic_work [320657.782719] workqueue mm_percpu_wq: flags=0x8 [320657.842715] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [320657.846705] pending: vmstat_update [320657.982713] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [320657.986705] pending: vmstat_update [320658.126726] workqueue mpt_poll_1: flags=0x8 [320658.182716] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [320658.186705] pending: mpt_fault_reset_work [320684.602705] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [hppa2.0-unknown:29093] [320684.602705] Modules linked in: 8021q ipmi_poweroff ipmi_si ipmi_devintf sata_via ipmi_msghandler cbc dm_zero dm_snapshot dm_mirror dm_region_hash dm_log dm_crypt dm_bufio pata_sil680 libata [320684.602705] CPU: 0 PID: 29093 Comm: hppa2.0-unknown Tainted: G L 5.8.4-gentoo-parisc64 #1 [320684.602705] Hardware name: 9000/785/C8000 [320684.602705] [320684.602705] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI [320684.602705] PSW: 00001000000001101111111100001111 Tainted: G L [320684.602705] r00-03 000000ff0806ff0f 0000000040558f08 00000000402706a8 00000040838787e0 [320684.602705] r04-07 0000000040a303e0 00000000409eafa0 0000000040c5b690 0000000041fce0d0 [320684.602705] r08-11 00000040838787e0 0000000000000001 00000000409fbf80 0000000040c5b740 [320684.602705] r12-15 0000000041fce0d8 00000000409eafa0 0000000040187140 0000000040a56be0 [320684.602705] r16-19 0000000040a56be0 0000000000000004 0000000001e92000 0000000000000002 [320684.602705] r20-23 0000000000000001 0000000000000000 0000000000000000 0000000000000002 [320684.602705] r24-27 0000000000000004 0000000000000000 0000000000000002 0000000040a303e0 [320684.602705] r28-31 0000000000000011 00000040838788e0 0000004083878810 0000000042001140 [320684.602705] sr00-03 00000000072a0800 0000000007296800 0000000000000000 00000000072a0800 [320684.602705] sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [320684.602705] [320684.602705] IASQ: 0000000000000000 0000000000000000 IAOQ: 00000000402706d0 00000000402706d4 [320684.602705] IIR: 0ff0109c ISR: 000000005836f8a0 IOR: 0000000000000001 [320684.602705] CPU: 0 CR30: 0000004083878000 CR31: ffffffffffffffff [320684.602705] ORIG_R28: 0000000000000801 [320684.602705] IAOQ[0]: smp_call_function_many_cond+0x490/0x500 [320684.602705] IAOQ[1]: smp_call_function_many_cond+0x494/0x500 [320684.602705] RP(r2): smp_call_function_many_cond+0x468/0x500 [320684.602705] Backtrace: [320684.602705] [<0000000040270824>] on_each_cpu+0x5c/0x98 [320684.602705] [<0000000040186a0c>] flush_tlb_all+0x204/0x228 [320684.602705] [<00000000402ef1f8>] tlb_finish_mmu+0x1d8/0x210 [320684.602705] [<00000000402eb820>] exit_mmap+0x1d8/0x370 [320684.602705] [<00000000401b5ec0>] mmput+0xe8/0x260 [320684.602705] [<00000000401c1690>] do_exit+0x558/0x12e8 [320684.602705] [<00000000401c3f18>] do_group_exit+0x50/0x118 [320684.602705] [<00000000401c4000>] sys_exit_group+0x20/0x28 [320684.602705] [<0000000040192018>] syscall_exit+0x0/0x14 [320684.602705] [320836.158705] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [320836.158705] (detected by 0, t=60007 jiffies, g=29568801, q=103) [320836.158705] rcu: All QSes seen, last rcu_sched kthread activity 60005 (4375101335-4375041330), jiffies_till_next_fqs=1, root ->qsmask 0x0 [320836.158705] rcu: rcu_sched kthread starved for 60005 jiffies! g29568801 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x200 ->cpu=3 [320836.158705] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [320836.158705] rcu: RCU grace-period kthread stack dump: [320836.158705] rcu_sched R 0 10 2 0x00000000 [320836.158705] Backtrace: [320836.158705] And then the machine rebooted.
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