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I'm using Arch on the ThinkPad A485 with AMD Ryzen Pro 2500.
Because I experienced frequent seemingly random freezes that required a hard reset, i took a look in the journalctl to find there are constantly soft lockups of CPU cores apparently associated to translation lookaside buffer flushes and SMP features:
Here's the journalctl output from the last minute before a freeze:
Dec 08 16:23:42 xenonpad kernel: watchdog: BUG: soft lockup - CPU#6 stuck for 23s! [systemd:1]
Dec 08 16:23:42 xenonpad kernel: Modules linked in: snd_usb_audio snd_usbmidi_lib snd_rawmidi >
Dec 08 16:23:42 xenonpad kernel: typec tpm libphy ipmi_msghandler nvram rng_core rfkill snd i>
Dec 08 16:23:42 xenonpad kernel: CPU: 6 PID: 1 Comm: systemd Tainted: G L 4.19.>
Dec 08 16:23:42 xenonpad kernel: Hardware name: LENOVO 20MU000CGE/20MU000CGE, BIOS R0WET37W (1>
Dec 08 16:23:42 xenonpad kernel: RIP: 0010:smp_call_function_many+0x1f4/0x250
Dec 08 16:23:42 xenonpad kernel: Code: c7 e8 b0 7a 6e 00 3b 05 2e 0c 23 01 0f 83 8f fe ff ff 4>
Dec 08 16:23:42 xenonpad kernel: RSP: 0018:ffffac86c006fb50 EFLAGS: 00000202 ORIG_RAX: fffffff>
Dec 08 16:23:42 xenonpad kernel: RAX: 0000000000000000 RBX: ffff938fbfba3100 RCX: ffff938fbfa2>
Dec 08 16:23:42 xenonpad kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff938fbfba>
Dec 08 16:23:42 xenonpad kernel: RBP: ffff938fbfba3108 R08: 0000000000000000 R09: 000000000000>
Dec 08 16:23:42 xenonpad kernel: R10: ffff938fbfba3108 R11: 0000000000000005 R12: ffff938fbfba>
Dec 08 16:23:42 xenonpad kernel: R13: ffffffff8bc74d30 R14: 0000000000000000 R15: 000000000000>
Dec 08 16:23:42 xenonpad kernel: FS: 00007f0ef212a880(0000) GS:ffff938fbfb80000(0000) knlGS:0>
Dec 08 16:23:42 xenonpad kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Dec 08 16:23:42 xenonpad kernel: CR2: 000055bfaab653d8 CR3: 0000000437926000 CR4: 000000000034>
Dec 08 16:23:42 xenonpad kernel: Call Trace:
Dec 08 16:23:42 xenonpad kernel: ? tlbflush_read_file+0x70/0x70
Dec 08 16:23:42 xenonpad kernel: smp_call_function+0x36/0x60
Dec 08 16:23:42 xenonpad kernel: ? tlbflush_read_file+0x70/0x70
Dec 08 16:23:42 xenonpad kernel: on_each_cpu+0x2a/0x80
Dec 08 16:23:42 xenonpad kernel: flush_tlb_kernel_range+0x48/0x90
Dec 08 16:23:42 xenonpad kernel: ? purge_fragmented_blocks_allcpus+0x45/0x1d0
Dec 08 16:23:42 xenonpad kernel: __purge_vmap_area_lazy+0x4d/0xc0
Dec 08 16:23:42 xenonpad kernel: vm_unmap_aliases+0xf0/0x120
Dec 08 16:23:42 xenonpad kernel: change_page_attr_set_clr+0xc8/0x310
Dec 08 16:23:42 xenonpad kernel: set_memory_ro+0x26/0x30
Dec 08 16:23:42 xenonpad kernel: bpf_int_jit_compile+0x237/0x2fe
Dec 08 16:23:42 xenonpad kernel: bpf_prog_select_runtime+0xa5/0xf0
Dec 08 16:23:42 xenonpad kernel: bpf_prog_load+0x37a/0x5a0
Dec 08 16:23:42 xenonpad kernel: ? lpm_trie_node_alloc+0x32/0x90
Dec 08 16:23:42 xenonpad kernel: ? lpm_trie_node_alloc+0x58/0x90
Dec 08 16:23:42 xenonpad kernel: ? _raw_spin_unlock_irqrestore+0x20/0x40
Dec 08 16:23:42 xenonpad kernel: ? trie_update_elem+0x20b/0x340
Dec 08 16:23:42 xenonpad kernel: __se_sys_bpf+0x8af/0x1490
Dec 08 16:23:42 xenonpad kernel: do_syscall_64+0x5b/0x170
Dec 08 16:23:42 xenonpad kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Dec 08 16:23:42 xenonpad kernel: RIP: 0033:0x7f0ef43b94ed
Dec 08 16:23:42 xenonpad kernel: Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 8>
Dec 08 16:23:42 xenonpad kernel: RSP: 002b:00007fff27856a48 EFLAGS: 00000246 ORIG_RAX: 0000000>
Dec 08 16:23:42 xenonpad kernel: RAX: ffffffffffffffda RBX: 000055bfaab4c960 RCX: 00007f0ef43b>
Dec 08 16:23:42 xenonpad kernel: RDX: 0000000000000048 RSI: 00007fff27856a50 RDI: 000000000000>
Dec 08 16:23:42 xenonpad kernel: RBP: 0000000000000000 R08: 656369767265732e R09: 000000250000>
Dec 08 16:23:42 xenonpad kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000055bfaab5>
Dec 08 16:23:42 xenonpad kernel: R13: 0000000000000001 R14: 000055bfa98024ec R15: 000000000000>
Dec 08 16:23:57 xenonpad kernel: watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [Socket Thr>
Dec 08 16:23:57 xenonpad kernel: Modules linked in: snd_usb_audio snd_usbmidi_lib snd_rawmidi >
Dec 08 16:23:57 xenonpad kernel: typec tpm libphy ipmi_msghandler nvram rng_core rfkill snd i>
Dec 08 16:23:57 xenonpad kernel: CPU: 3 PID: 4260 Comm: Socket Thread Tainted: G L>
Dec 08 16:23:57 xenonpad kernel: Hardware name: LENOVO 20MU000CGE/20MU000CGE, BIOS R0WET37W (1>
Dec 08 16:23:57 xenonpad kernel: RIP: 0010:smp_call_function_many+0x1f7/0x250
Dec 08 16:23:57 xenonpad kernel: Code: 7a 6e 00 3b 05 2e 0c 23 01 0f 83 8f fe ff ff 48 63 d0 4>
Dec 08 16:23:57 xenonpad kernel: RSP: 0018:ffffac86c2977cc0 EFLAGS: 00000202 ORIG_RAX: fffffff>
Dec 08 16:23:57 xenonpad kernel: RAX: 0000000000000000 RBX: ffff938fbfae3100 RCX: ffff938fbfa2>
Dec 08 16:23:57 xenonpad kernel: RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffff938fbfae>
Dec 08 16:23:57 xenonpad kernel: RBP: ffff938fbfae3108 R08: 0000000000000005 R09: ffff938fbfae>
Dec 08 16:23:57 xenonpad kernel: R10: ffff938fbfae3108 R11: 0000000000000005 R12: ffff938fbfae>
Dec 08 16:23:57 xenonpad kernel: R13: ffffffff8bc75560 R14: ffffac86c2977d00 R15: 000000000000>
Dec 08 16:23:57 xenonpad kernel: FS: 00007fbdee462700(0000) GS:ffff938fbfac0000(0000) knlGS:0>
Dec 08 16:23:57 xenonpad kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Dec 08 16:23:57 xenonpad kernel: CR2: 00007fbde60e5ea8 CR3: 00000003dd61c000 CR4: 000000000034>
Dec 08 16:23:57 xenonpad kernel: Call Trace:
Dec 08 16:23:57 xenonpad kernel: flush_tlb_mm_range+0x10d/0x170
Dec 08 16:23:57 xenonpad kernel: tlb_flush_mmu+0x6e/0xc0
Dec 08 16:23:57 xenonpad kernel: arch_tlb_finish_mmu+0x3a/0x60
Dec 08 16:23:57 xenonpad kernel: tlb_finish_mmu+0x1f/0x30
Dec 08 16:23:57 xenonpad kernel: zap_page_range+0xde/0x140
Dec 08 16:23:57 xenonpad kernel: __se_sys_madvise+0x63c/0x810
Dec 08 16:23:57 xenonpad kernel: ? syscall_slow_exit_work+0x19b/0x1b0
Dec 08 16:23:57 xenonpad kernel: ? _copy_to_user+0x26/0x30
Dec 08 16:23:57 xenonpad kernel: ? do_syscall_64+0x5b/0x170
Dec 08 16:23:57 xenonpad kernel: do_syscall_64+0x5b/0x170
Dec 08 16:23:57 xenonpad kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Dec 08 16:23:57 xenonpad kernel: RIP: 0033:0x7fbdff28686b
Dec 08 16:23:57 xenonpad kernel: Code: 64 89 02 b8 ff ff ff ff c3 48 8b 15 ef 75 0c 00 f7 d8 6>
Dec 08 16:23:57 xenonpad kernel: RSP: 002b:00007fbdee461968 EFLAGS: 00000206 ORIG_RAX: 0000000>
Dec 08 16:23:57 xenonpad kernel: RAX: ffffffffffffffda RBX: 0000000000000080 RCX: 00007fbdff28>
Dec 08 16:23:57 xenonpad kernel: RDX: 0000000000000004 RSI: 0000000000018000 RDI: 00007fbde144>
Dec 08 16:23:57 xenonpad kernel: RBP: 0000000000000042 R08: 0000000000000042 R09: 000000000000>
Dec 08 16:23:57 xenonpad kernel: R10: 00007fbdd9100518 R11: 0000000000000206 R12: 00007fbde140>
Dec 08 16:23:57 xenonpad kernel: R13: 00007fbdfef00000 R14: 00007fbdfef00080 R15: 00007fbdda60>
Dec 08 16:24:10 xenonpad kernel: watchdog: BUG: soft lockup - CPU#6 stuck for 23s! [systemd:1]
Dec 08 16:24:10 xenonpad kernel: Modules linked in: snd_usb_audio snd_usbmidi_lib snd_rawmidi >
Dec 08 16:24:10 xenonpad kernel: typec tpm libphy ipmi_msghandler nvram rng_core rfkill snd i>
Dec 08 16:24:10 xenonpad kernel: CPU: 6 PID: 1 Comm: systemd Tainted: G L 4.19.>
Dec 08 16:24:10 xenonpad kernel: Hardware name: LENOVO 20MU000CGE/20MU000CGE, BIOS R0WET37W (1>
Dec 08 16:24:10 xenonpad kernel: RIP: 0010:smp_call_function_many+0x1f2/0x250
Dec 08 16:24:10 xenonpad kernel: Code: ee 89 c7 e8 b0 7a 6e 00 3b 05 2e 0c 23 01 0f 83 8f fe f>
Dec 08 16:24:10 xenonpad kernel: RSP: 0018:ffffac86c006fb50 EFLAGS: 00000202 ORIG_RAX: fffffff>
Dec 08 16:24:10 xenonpad kernel: RAX: 0000000000000000 RBX: ffff938fbfba3100 RCX: ffff938fbfa2>
Dec 08 16:24:10 xenonpad kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff938fbfba>
Dec 08 16:24:10 xenonpad kernel: RBP: ffff938fbfba3108 R08: 0000000000000000 R09: 000000000000>
Dec 08 16:24:10 xenonpad kernel: R10: ffff938fbfba3108 R11: 0000000000000005 R12: ffff938fbfba>
Dec 08 16:24:10 xenonpad kernel: R13: ffffffff8bc74d30 R14: 0000000000000000 R15: 000000000000>
Dec 08 16:24:10 xenonpad kernel: FS: 00007f0ef212a880(0000) GS:ffff938fbfb80000(0000) knlGS:0>
Dec 08 16:24:10 xenonpad kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Dec 08 16:24:10 xenonpad kernel: CR2: 000055bfaab653d8 CR3: 0000000437926000 CR4: 000000000034>
Dec 08 16:24:10 xenonpad kernel: Call Trace:
Dec 08 16:24:10 xenonpad kernel: ? tlbflush_read_file+0x70/0x70
Dec 08 16:24:10 xenonpad kernel: smp_call_function+0x36/0x60
Dec 08 16:24:10 xenonpad kernel: ? tlbflush_read_file+0x70/0x70
Dec 08 16:24:10 xenonpad kernel: on_each_cpu+0x2a/0x80
Dec 08 16:24:10 xenonpad kernel: flush_tlb_kernel_range+0x48/0x90
Dec 08 16:24:10 xenonpad kernel: ? purge_fragmented_blocks_allcpus+0x45/0x1d0
Dec 08 16:24:10 xenonpad kernel: __purge_vmap_area_lazy+0x4d/0xc0
Dec 08 16:24:10 xenonpad kernel: vm_unmap_aliases+0xf0/0x120
Dec 08 16:24:10 xenonpad kernel: change_page_attr_set_clr+0xc8/0x310
Dec 08 16:24:10 xenonpad kernel: set_memory_ro+0x26/0x30
Dec 08 16:24:10 xenonpad kernel: bpf_int_jit_compile+0x237/0x2fe
Dec 08 16:24:10 xenonpad kernel: bpf_prog_select_runtime+0xa5/0xf0
Dec 08 16:24:10 xenonpad kernel: bpf_prog_load+0x37a/0x5a0
Dec 08 16:24:10 xenonpad kernel: ? lpm_trie_node_alloc+0x32/0x90
Dec 08 16:24:10 xenonpad kernel: ? lpm_trie_node_alloc+0x58/0x90
Dec 08 16:24:10 xenonpad kernel: ? _raw_spin_unlock_irqrestore+0x20/0x40
Dec 08 16:24:10 xenonpad kernel: ? trie_update_elem+0x20b/0x340
Dec 08 16:24:10 xenonpad kernel: __se_sys_bpf+0x8af/0x1490
Dec 08 16:24:10 xenonpad kernel: do_syscall_64+0x5b/0x170
Dec 08 16:24:10 xenonpad kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Dec 08 16:24:10 xenonpad kernel: RIP: 0033:0x7f0ef43b94ed
Dec 08 16:24:10 xenonpad kernel: Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 8>
Dec 08 16:24:10 xenonpad kernel: RSP: 002b:00007fff27856a48 EFLAGS: 00000246 ORIG_RAX: 0000000>
Dec 08 16:24:10 xenonpad kernel: RAX: ffffffffffffffda RBX: 000055bfaab4c960 RCX: 00007f0ef43b>
Dec 08 16:24:10 xenonpad kernel: RDX: 0000000000000048 RSI: 00007fff27856a50 RDI: 000000000000>
Dec 08 16:24:10 xenonpad kernel: RBP: 0000000000000000 R08: 656369767265732e R09: 000000250000>
Dec 08 16:24:10 xenonpad kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 000055bfaab5>
Dec 08 16:24:10 xenonpad kernel: R13: 0000000000000001 R14: 000055bfa98024ec R15: 000000000000>
Dec 08 16:24:25 xenonpad kernel: watchdog: BUG: soft lockup - CPU#3 stuck for 23s! [Socket Thr>
Dec 08 16:24:25 xenonpad kernel: Modules linked in: snd_usb_audio snd_usbmidi_lib snd_rawmidi >
Dec 08 16:24:25 xenonpad kernel: typec tpm libphy ipmi_msghandler nvram rng_core rfkill snd i>
Dec 08 16:24:25 xenonpad kernel: CPU: 3 PID: 4260 Comm: Socket Thread Tainted: G L>
Dec 08 16:24:25 xenonpad kernel: Hardware name: LENOVO 20MU000CGE/20MU000CGE, BIOS R0WET37W (1>
Dec 08 16:24:25 xenonpad kernel: RIP: 0010:smp_call_function_many+0x1f7/0x250
Dec 08 16:24:25 xenonpad kernel: Code: 7a 6e 00 3b 05 2e 0c 23 01 0f 83 8f fe ff ff 48 63 d0 4>
Dec 08 16:24:25 xenonpad kernel: RSP: 0018:ffffac86c2977cc0 EFLAGS: 00000202 ORIG_RAX: fffffff>
Dec 08 16:24:25 xenonpad kernel: RAX: 0000000000000000 RBX: ffff938fbfae3100 RCX: ffff938fbfa2>
Dec 08 16:24:25 xenonpad kernel: RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffff938fbfae>
Dec 08 16:24:25 xenonpad kernel: RBP: ffff938fbfae3108 R08: 0000000000000005 R09: ffff938fbfae>
Dec 08 16:24:25 xenonpad kernel: R10: ffff938fbfae3108 R11: 0000000000000005 R12: ffff938fbfae>
Dec 08 16:24:25 xenonpad kernel: R13: ffffffff8bc75560 R14: ffffac86c2977d00 R15: 000000000000>
Dec 08 16:24:25 xenonpad kernel: FS: 00007fbdee462700(0000) GS:ffff938fbfac0000(0000) knlGS:0>
Dec 08 16:24:25 xenonpad kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Dec 08 16:24:25 xenonpad kernel: CR2: 00007fbde60e5ea8 CR3: 00000003dd61c000 CR4: 000000000034>
Dec 08 16:24:25 xenonpad kernel: Call Trace:
Dec 08 16:24:25 xenonpad kernel: flush_tlb_mm_range+0x10d/0x170
Dec 08 16:24:25 xenonpad kernel: tlb_flush_mmu+0x6e/0xc0
Dec 08 16:24:25 xenonpad kernel: arch_tlb_finish_mmu+0x3a/0x60
Dec 08 16:24:25 xenonpad kernel: tlb_finish_mmu+0x1f/0x30
Dec 08 16:24:25 xenonpad kernel: zap_page_range+0xde/0x140
Dec 08 16:24:25 xenonpad kernel: __se_sys_madvise+0x63c/0x810
Dec 08 16:24:25 xenonpad kernel: ? syscall_slow_exit_work+0x19b/0x1b0
Dec 08 16:24:25 xenonpad kernel: ? _copy_to_user+0x26/0x30
Dec 08 16:24:25 xenonpad kernel: ? do_syscall_64+0x5b/0x170
Dec 08 16:24:25 xenonpad kernel: do_syscall_64+0x5b/0x170
Dec 08 16:24:25 xenonpad kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Dec 08 16:24:25 xenonpad kernel: RIP: 0033:0x7fbdff28686b
Dec 08 16:24:25 xenonpad kernel: Code: 64 89 02 b8 ff ff ff ff c3 48 8b 15 ef 75 0c 00 f7 d8 6>
Dec 08 16:24:25 xenonpad kernel: RSP: 002b:00007fbdee461968 EFLAGS: 00000206 ORIG_RAX: 0000000>
Dec 08 16:24:25 xenonpad kernel: RAX: ffffffffffffffda RBX: 0000000000000080 RCX: 00007fbdff28>
Dec 08 16:24:25 xenonpad kernel: RDX: 0000000000000004 RSI: 0000000000018000 RDI: 00007fbde144>
Dec 08 16:24:25 xenonpad kernel: RBP: 0000000000000042 R08: 0000000000000042 R09: 000000000000>
Dec 08 16:24:25 xenonpad kernel: R10: 00007fbdd9100518 R11: 0000000000000206 R12: 00007fbde140>
Dec 08 16:24:25 xenonpad kernel: R13: 00007fbdfef00000 R14: 00007fbdfef00080 R15: 00007fbdda60>
Dec 08 16:24:38 xenonpad kernel: watchdog: BUG: soft lockup - CPU#6 stuck for 22s! [systemd:1]
Dec 08 16:24:38 xenonpad kernel: Modules linked in: snd_usb_audio snd_usbmidi_lib snd_rawmidi >
Dec 08 16:24:38 xenonpad kernel: typec tpm libphy ipmi_msghandler nvram rng_core rfkill snd i>
Dec 08 16:24:38 xenonpad kernel: CPU: 6 PID: 1 Comm: systemd Tainted: G L 4.19.>
Dec 08 16:24:38 xenonpad kernel: Hardware name: LENOVO 20MU000CGE/20MU000CGE, BIOS R0WET37W (1>
Dec 08 16:24:38 xenonpad kernel: RIP: 0010:smp_call_function_many+0x1f4/0x250
Dec 08 16:24:38 xenonpad kernel: Code: c7 e8 b0 7a 6e 00 3b 05 2e 0c 23 01 0f 83 8f fe ff ff 4>
Dec 08 16:24:38 xenonpad kernel: RSP: 0018:ffffac86c006fb50 EFLAGS: 00000202 ORIG_RAX: fffffff>
Dec 08 16:24:38 xenonpad kernel: RAX: 0000000000000000 RBX: ffff938fbfba3100 RCX: ffff938fbfa2>
Dec 08 16:24:38 xenonpad kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff938fbfba>
Dec 08 16:24:38 xenonpad kernel: RBP: ffff938fbfba3108 R08: 0000000000000000 R09: 000000000000>
Dec 08 16:24:38 xenonpad kernel: R10: ffff938fbfba3108 R11: 0000000000000005 R12: ffff938fbfba>
Dec 08 16:24:38 xenonpad kernel: R13: ffffffff8bc74d30 R14: 0000000000000000 R15: 000000000000>
Dec 08 16:24:38 xenonpad kernel: FS: 00007f0ef212a880(0000) GS:ffff938fbfb80000(0000) knlGS:0>
Dec 08 16:24:38 xenonpad kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Dec 08 16:24:38 xenonpad kernel: CR2: 000055bfaab653d8 CR3: 0000000437926000 CR4: 000000000034>
Dec 08 16:24:38 xenonpad kernel: Call Trace:
Dec 08 16:24:38 xenonpad kernel: ? tlbflush_read_file+0x70/0x70
Dec 08 16:24:38 xenonpad kernel: smp_call_function+0x36/0x60
Dec 08 16:24:38 xenonpad kernel: ? tlbflush_read_file+0x70/0x70
Dec 08 16:24:38 xenonpad kernel: on_each_cpu+0x2a/0x80
Dec 08 16:24:38 xenonpad kernel: flush_tlb_kernel_range+0x48/0x90
Dec 08 16:24:38 xenonpad kernel: ? purge_fragmented_blocks_allcpus+0x45/0x1d0
Dec 08 16:24:38 xenonpad kernel: __purge_vmap_area_lazy+0x4d/0xc0
Dec 08 16:24:38 xenonpad kernel: vm_unmap_aliases+0xf0/0x120
Dec 08 16:24:38 xenonpad kernel: change_page_attr_set_clr+0xc8/0x310
Dec 08 16:24:38 xenonpad kernel: set_memory_ro+0x26/0x30
Dec 08 16:24:38 xenonpad kernel: bpf_int_jit_compile+0x237/0x2fe
Dec 08 16:24:38 xenonpad kernel: bpf_prog_select_runtime+0xa5/0xf0
Dec 08 16:24:38 xenonpad kernel: bpf_prog_load+0x37a/0x5a0
Dec 08 16:24:38 xenonpad kernel: ? lpm_trie_node_alloc+0x32/0x90I'll can upload the full log if required once I find out how to attach a text file to a post in this forum. There's been no load on the machine, only some music playback or occasionally browsing the web.
How does one debug this? Maybe disable SMT completely?
Best regards,
Chris
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Hello there,
Have you found a Solution? I have a 2700u and also get the Soft lockup.
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Yes, I have had significantly less freezes after disabling all the energy saving options in the BIOS i could find.
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