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Date: Thu, 25 Feb 2021 07:52:53 +0200
From: Martin Zaharinov <micron10@...il.com>
To: Wei Wang <weiwan@...gle.com>
Cc: Jakub Kicinski <kuba@...nel.org>,
Alexander Duyck <alexanderduyck@...com>,
Eric Dumazet <edumazet@...gle.com>,
"David S . Miller" <davem@...emloft.net>,
netdev <netdev@...r.kernel.org>, Paolo Abeni <pabeni@...hat.com>,
Hannes Frederic Sowa <hannes@...essinduktion.org>
Subject: Re: [PATCH net] net: fix race between napi kthread mode and busy poll
Hi Wei, Jakub and Eric
I have attached the new crash log below.
@Wei I try to use external driver from sourceforge ixgbe and build in kernel internel driver.
With external driver when machine boot immediately crashed and reboot system.
With internal driver in kernel 5.11.1 one time get Bug info when system finishing boot and enable threaded. Other time system boot without any errors and after 1-2 hour crash and reboot .
2 crash with system reboot :
Feb 25 05:12:26 [20079.489376][ T3787] ------------[ cut here ]------------
Feb 25 05:12:26 [20079.512029][ T3787] list_del corruption. next->prev should be ffff94e5c4bfe800, but was ffff94e5e2265b00
Feb 25 05:12:26 [20079.557299][ T3787] WARNING: CPU: 17 PID: 3787 at lib/list_debug.c:54 __list_del_entry_valid+0x8a/0x90
Feb 25 05:12:26 [20079.602545][ T3787] Modules linked in: udp_diag raw_diag unix_diag nf_conntrack_netlink nfnetlink iptable_filter xt_TCPMSS iptable_mangle xt_addrtype xt_nat iptable_nat ip_tables pppoe pppox ppp_generic slhc team_mode_loadbalance team netconsole coretemp ixgbe mdio mdio_devres libphy nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos
Feb 25 05:12:26 [20079.786930][ T3787] CPU: 17 PID: 3787 Comm: kresd Tainted: G W O 5.11.1 #1
Feb 25 05:12:26 [20079.832711][ T3787] Hardware name: Supermicro Super Server/X10DRi-LN4+, BIOS 3.2 11/19/2019
Feb 25 05:12:26 [20079.878486][ T3787] RIP: 0010:__list_del_entry_valid+0x8a/0x90
Feb 25 05:12:26 [20079.901452][ T3787] Code: 51 00 0f 0b 31 c0 c3 48 89 f2 48 89 fe 48 c7 c7 38 f2 34 84 e8 8f 43 51 00 0f 0b 31 c0 c3 48 c7 c7 78 f2 34 84 e8 7e 43 51 00 <0f> 0b 31 c0 c3 cc 89 f8 48 85 d2 74 20 48 8d 0c 16 0f b6 16 48 ff
Feb 25 05:12:26 [20079.970301][ T3787] RSP: 0018:ffffa3af46073ce0 EFLAGS: 00010282
Feb 25 05:12:26 [20079.993714][ T3787] RAX: 0000000000000054 RBX: ffff94e5db11a158 RCX: 00000000ffefffff
Feb 25 05:12:27 [20080.041094][ T3787] RDX: 00000000ffefffff RSI: ffff94e9a6800000 RDI: 0000000000000001
Feb 25 05:12:27 [20080.090577][ T3787] RBP: ffff94e5db11a158 R08: ffff94e9ad7fffe8 R09: 00000000ffffffea
Feb 25 05:12:27 [20080.141361][ T3787] R10: 00000000ffefffff R11: 80000000fff00000 R12: ffff94e5c4bfe800
Feb 25 05:12:27 [20080.192432][ T3787] R13: 0000000000000005 R14: ffffa3af46073d08 R15: ffff94e5c4bfe800
Feb 25 05:12:27 [20080.243987][ T3787] FS: 00007fe4f6383d80(0000) GS:ffff94e9af9c0000(0000) knlGS:0000000000000000
Feb 25 05:12:27 [20080.295701][ T3787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 25 05:12:27 [20080.321667][ T3787] CR2: 00007fe4f6309114 CR3: 0000000151a82001 CR4: 00000000001706e0
Feb 25 05:12:27 [20080.372339][ T3787] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Feb 25 05:12:27 [20080.422779][ T3787] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Feb 25 05:12:27 [20080.472894][ T3787] Call Trace:
Feb 25 05:12:27 [20080.497205][ T3787] netif_receive_skb_list_internal+0x26c/0x2c0
Feb 25 05:12:27 [20080.521674][ T3787] busy_poll_stop+0x171/0x1a0
Feb 25 05:12:27 [20080.545845][ T3787] ? ixgbe_clean_rx_irq+0xa10/0xa10 [ixgbe]
Feb 25 05:12:27 [20080.569820][ T3787] ? ep_destroy_wakeup_source+0x20/0x20
Feb 25 05:12:27 [20080.593359][ T3787] napi_busy_loop+0x32a/0x340
Feb 25 05:12:27 [20080.616508][ T3787] ? ktime_get_ts64+0x44/0xe0
Feb 25 05:12:27 [20080.639370][ T3787] ep_poll+0xc6/0x660
Feb 25 05:12:27 [20080.661570][ T3787] do_epoll_pwait.part.0+0xf3/0x160
Feb 25 05:12:27 [20080.683715][ T3787] __x64_sys_epoll_pwait+0x6a/0x100
Feb 25 05:12:27 [20080.705454][ T3787] ? do_syscall_64+0x2d/0x40
Feb 25 05:12:27 [20080.726932][ T3787] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
Feb 25 05:12:27 [20080.748279][ T3787] ---[ end trace 51046c7b7172e5a4 ]---
Feb 25 05:12:27 [20080.769384][ C5] BUG: kernel NULL pointer dereference, address: 0000000000000008
Feb 25 05:12:27 [20080.810675][ C5] #PF: supervisor write access in kernel mode
Feb 25 05:12:27 [20080.831353][ C5] #PF: error_code(0x0002) - not-present page
Feb 25 05:12:27 [20080.851636][ C5] PGD 105b18067 P4D 105b18067 PUD 1024cf067 PMD 0
Feb 25 05:12:27 [20080.871706][ C5] Oops: 0002 [#1] SMP NOPTI
Feb 25 05:12:27 [20080.891182][ C5] CPU: 5 PID: 37104 Comm: napi/eth1-691 Tainted: G W O 5.11.1 #1
Feb 25 05:12:27 [20080.929470][ C5] Hardware name: Supermicro Super Server/X10DRi-LN4+, BIOS 3.2 11/19/2019
Feb 25 05:12:27 [20080.967621][ C5] RIP: 0010:process_backlog+0xcf/0x230
Feb 25 05:12:27 [20080.986894][ C5] Code: 01 00 00 41 8b b7 10 ff ff ff 8d 56 ff 41 89 97 10 ff ff ff 48 8b 08 48 8b 50 08 48 c7 00 00 00 00 00 48 c7 40 08 00 00 00 00 <48> 89 51 08 48 89 0a 0f 1f 44 00 00 48 89 44 24 08 48 8d 54 24 10
Feb 25 05:12:27 [20081.044247][ C5] RSP: 0018:ffffa3af43420eb8 EFLAGS: 00010286
Feb 25 05:12:28 [20081.063017][ C5] RAX: ffff94e5c4bfe800 RBX: ffff94e5af961e50 RCX: 0000000000000000
Feb 25 05:12:28 [20081.100074][ C5] RDX: ffff94e5af961e50 RSI: 0000000000000002 RDI: ffffffff836e3601
Feb 25 05:12:28 [20081.138274][ C5] RBP: 0000000000000040 R08: 0000000000000000 R09: 0000000000000003
Feb 25 05:12:28 [20081.177716][ C5] R10: ffff94e36e9d2ac0 R11: ffff94e35a0a8660 R12: 0000000000000003
Feb 25 05:12:28 [20081.218624][ C5] R13: ffff94e5da7b2c40 R14: ffff94e243ce4000 R15: ffff94e5af961f50
Feb 25 05:12:28 [20081.261329][ C5] FS: 0000000000000000(0000) GS:ffff94e5af940000(0000) knlGS:0000000000000000
Feb 25 05:12:28 [20081.306019][ C5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 25 05:12:28 [20081.329045][ C5] CR2: 0000000000000008 CR3: 000000021d4b2006 CR4: 00000000001706e0
Feb 25 05:12:28 [20081.374528][ C5] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Feb 25 05:12:28 [20081.420343][ C5] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Feb 25 05:12:28 [20081.467189][ C5] Call Trace:
Feb 25 05:12:28 [20081.490382][ C5] <IRQ>
Feb 25 05:12:28 [20081.513088][ C5] __napi_poll+0x21/0x190
Feb 25 05:12:28 [20081.535582][ C5] net_rx_action+0x239/0x2f0
Feb 25 05:12:28 [20081.557602][ C5] __do_softirq+0xad/0x1d8
Feb 25 05:12:28 [20081.579133][ C5] asm_call_irq_on_stack+0xf/0x20
Feb 25 05:12:28 [20081.600495][ C5] </IRQ>
Feb 25 05:12:28 [20081.621370][ C5] do_softirq_own_stack+0x32/0x40
Feb 25 05:12:28 [20081.642058][ C5] do_softirq+0x42/0x50
Feb 25 05:12:28 [20081.662354][ C5] __local_bh_enable_ip+0x45/0x50
Feb 25 05:12:28 [20081.682435][ C5] napi_threaded_poll+0x120/0x150
Feb 25 05:12:28 [20081.702239][ C5] ? __napi_poll+0x190/0x190
Feb 25 05:12:28 [20081.721585][ C5] kthread+0xea/0x120
Feb 25 05:12:28 [20081.740384][ C5] ? kthread_park+0x80/0x80
Feb 25 05:12:28 [20081.758773][ C5] ret_from_fork+0x1f/0x30
Feb 25 05:12:28 [20081.776646][ C5] Modules linked in: udp_diag raw_diag unix_diag nf_conntrack_netlink nfnetlink iptable_filter xt_TCPMSS iptable_mangle xt_addrtype xt_nat iptable_nat ip_tables pppoe pppox ppp_generic slhc team_mode_loadbalance team netconsole coretemp ixgbe mdio mdio_devres libphy nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos
Feb 25 05:12:28 [20081.924344][ C5] CR2: 0000000000000008
Feb 25 05:12:28 [20081.943038][ C5] ---[ end trace 51046c7b7172e5a5 ]---
Feb 25 05:12:28 [20081.961529][ C5] RIP: 0010:process_backlog+0xcf/0x230
Feb 25 05:12:28 [20081.979654][ C5] Code: 01 00 00 41 8b b7 10 ff ff ff 8d 56 ff 41 89 97 10 ff ff ff 48 8b 08 48 8b 50 08 48 c7 00 00 00 00 00 48 c7 40 08 00 00 00 00 <48> 89 51 08 48 89 0a 0f 1f 44 00 00 48 89 44 24 08 48 8d 54 24 10
Feb 25 05:12:28 [20082.033915][ C5] RSP: 0018:ffffa3af43420eb8 EFLAGS: 00010286
Feb 25 05:12:29 [20082.052231][ C5] RAX: ffff94e5c4bfe800 RBX: ffff94e5af961e50 RCX: 0000000000000000
Feb 25 05:12:29 [20082.089750][ C5] RDX: ffff94e5af961e50 RSI: 0000000000000002 RDI: ffffffff836e3601
Feb 25 05:12:29 [20082.129164][ C5] RBP: 0000000000000040 R08: 0000000000000000 R09: 0000000000000003
Feb 25 05:12:29 [20082.170336][ C5] R10: ffff94e36e9d2ac0 R11: ffff94e35a0a8660 R12: 0000000000000003
Feb 25 05:12:29 [20082.213161][ C5] R13: ffff94e5da7b2c40 R14: ffff94e243ce4000 R15: ffff94e5af961f50
Feb 25 05:12:29 [20082.257809][ C5] FS: 0000000000000000(0000) GS:ffff94e5af940000(0000) knlGS:0000000000000000
Feb 25 05:12:29 [20082.304448][ C5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 25 05:12:29 [20082.328708][ C5] CR2: 0000000000000008 CR3: 000000021d4b2006 CR4: 00000000001706e0
Feb 25 05:12:29 [20082.377167][ C5] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Feb 25 05:12:29 [20082.425510][ C5] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Feb 25 05:12:29 [20082.473439][ C5] Kernel panic - not syncing: Fatal exception in interrupt
Feb 25 05:12:29 [20082.497657][ C36] ------------[ cut here ]------------
Feb 25 05:12:29 [20082.521414][ C36] sched: Unexpected reschedule of offline CPU#12!
Feb 25 05:12:29 [20082.544949][ C36] WARNING: CPU: 36 PID: 0 at arch/x86/kernel/apic/ipi.c:68 native_smp_send_reschedule+0x2c/0x30
Feb 25 05:12:29 [20082.591983][ C36] Modules linked in: udp_diag raw_diag unix_diag nf_conntrack_netlink nfnetlink iptable_filter xt_TCPMSS iptable_mangle xt_addrtype xt_nat iptable_nat ip_tables pppoe pppox ppp_generic slhc team_mode_loadbalance team netconsole coretemp ixgbe mdio mdio_devres libphy nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos
Feb 25 05:12:29 [20082.792688][ C36] CPU: 36 PID: 0 Comm: swapper/36 Tainted: G D W O 5.11.1 #1
Feb 25 05:12:29 [20082.843263][ C36] Hardware name: Supermicro Super Server/X10DRi-LN4+, BIOS 3.2 11/19/2019
Feb 25 05:12:29 [20082.893782][ C36] RIP: 0010:native_smp_send_reschedule+0x2c/0x30
Feb 25 05:12:29 [20082.919265][ C36] Code: 48 0f a3 05 f6 f2 62 01 73 12 48 8b 05 4d b6 36 01 be fd 00 00 00 48 8b 40 30 ff e0 89 fe 48 c7 c7 20 d4 32 84 e8 3c 95 7d 00 <0f> 0b c3 90 48 8b 05 29 b6 36 01 be fb 00 00 00 48 8b 40 30 ff e0
Feb 25 05:12:29 [20082.995368][ C36] RSP: 0018:ffffa3af4397cf18 EFLAGS: 00010096
Feb 25 05:12:30 [20083.020383][ C36] RAX: 000000000000002f RBX: 0000000000000000 RCX: 00000000ffefffff
Feb 25 05:12:30 [20083.069872][ C36] RDX: 00000000ffefffff RSI: ffff94e9a6800000 RDI: 0000000000000001
Feb 25 05:12:30 [20083.119633][ C36] RBP: ffffa3af4397cf68 R08: ffff94e9ad7fffe8 R09: 00000000ffffffea
Feb 25 05:12:30 [20083.169439][ C36] R10: 00000000ffefffff R11: 80000000fff00000 R12: 0000000000000002
Feb 25 05:12:30 [20083.219384][ C36] R13: ffff94e5da7b3b00 R14: 0000000000020dc0 R15: ffff94e9af8a0dc0
Feb 25 05:12:30 [20083.269795][ C36] FS: 0000000000000000(0000) GS:ffff94e9afc00000(0000) knlGS:0000000000000000
Feb 25 05:12:30 [20083.320848][ C36] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 25 05:12:30 [20083.346500][ C36] CR2: 00007fe4f6368414 CR3: 0000000151a82004 CR4: 00000000001706e0
Feb 25 05:12:30 [20083.396487][ C36] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Feb 25 05:12:30 [20083.446178][ C36] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Feb 25 05:12:30 [20083.495481][ C36] Call Trace:
Feb 25 05:12:30 [20083.519343][ C36] <IRQ>
Feb 25 05:12:30 [20083.524266][ C5] Shutting down cpus with NMI
Feb 25 05:12:30 [20083.542492][ C36] try_to_wake_up+0x5da/0x780
Feb 25 05:12:30 [20083.666286][ C5] Kernel Offset: 0x2000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Feb 25 05:12:30 [20083.734632][ C5] Rebooting in 10 seconds..
Feb 25 05:12:40 [20093.758840][ C5] ACPI MEMORY or I/O RESET_REG.
Feb 25 06:16:25 [ 3732.006467][ T3768] ------------[ cut here ]------------
Feb 25 06:16:25 [ 3732.007210][ T3768] list_del corruption. prev->next should be ffff9a80f49ad700, but was ffff9a7fd593f158
Feb 25 06:16:25 [ 3732.008527][ T3768] WARNING: CPU: 0 PID: 3768 at lib/list_debug.c:51 __list_del_entry_valid+0x79/0x90
Feb 25 06:16:25 [ 3732.009798][ T3768] Modules linked in: nf_conntrack_netlink nfnetlink udp_diag raw_diag unix_diag iptable_filter xt_TCPMSS iptable_mangle xt_addrtype xt_nat iptable_nat ip_tables pppoe pppox ppp_generic slhc team_mode_loadbalance team netconsole coretemp ixgbe mdio mdio_devres libphy nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos
Feb 25 06:16:25 [ 3732.017363][ T3768] CPU: 0 PID: 3768 Comm: kresd Tainted: G O 5.11.1 #1
Feb 25 06:16:25 [ 3732.018450][ T3768] Hardware name: Supermicro Super Server/X10DRi-LN4+, BIOS 3.2 11/19/2019
Feb 25 06:16:25 [ 3732.019591][ T3768] RIP: 0010:__list_del_entry_valid+0x79/0x90
Feb 25 06:16:25 [ 3732.020392][ T3768] Code: c3 48 89 fe 4c 89 c2 48 c7 c7 00 f2 34 b0 e8 a6 43 51 00 0f 0b 31 c0 c3 48 89 f2 48 89 fe 48 c7 c7 38 f2 34 b0 e8 8f 43 51 00 <0f> 0b 31 c0 c3 48 c7 c7 78 f2 34 b0 e8 7e 43 51 00 0f 0b 31 c0 c3
Feb 25 06:16:25 [ 3732.023055][ T3768] RSP: 0018:ffffb362c489fce0 EFLAGS: 00010282
Feb 25 06:16:25 [ 3732.023865][ T3768] RAX: 0000000000000054 RBX: ffff9a7fd593f158 RCX: 00000000ffefffff
Feb 25 06:16:25 [ 3732.024934][ T3768] RDX: 00000000ffefffff RSI: ffff9a8726800000 RDI: 0000000000000001
Feb 25 06:16:25 [ 3732.050484][ T3768] RBP: ffff9a7fd593f158 R08: ffff9a872d7fffe8 R09: 00000000ffffffea
Feb 25 06:16:25 [ 3732.101572][ T3768] R10: 00000000ffefffff R11: 80000000fff00000 R12: ffff9a80f49ad700
Feb 25 06:16:26 [ 3732.153197][ T3768] R13: 0000000000000010 R14: ffffb362c489fd08 R15: ffff9a80f49ad700
Feb 25 06:16:26 [ 3732.205130][ T3768] FS: 00007f70035a0d80(0000) GS:ffff9a832f800000(0000) knlGS:0000000000000000
Feb 25 06:16:26 [ 3732.256908][ T3768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 25 06:16:26 [ 3732.283060][ T3768] CR2: 00007ffc9012dd58 CR3: 0000000137d8a001 CR4: 00000000001706f0
Feb 25 06:16:26 [ 3732.334006][ T3768] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Feb 25 06:16:26 [ 3732.384341][ T3768] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Feb 25 06:16:26 [ 3732.434478][ T3768] Call Trace:
Feb 25 06:16:26 [ 3732.458838][ T3768] netif_receive_skb_list_internal+0x26c/0x2c0
Feb 25 06:16:26 [ 3732.483356][ T3768] busy_poll_stop+0x171/0x1a0
Feb 25 06:16:26 [ 3732.507593][ T3768] ? ixgbe_clean_rx_irq+0xa10/0xa10 [ixgbe]
Feb 25 06:16:26 [ 3732.531658][ T3768] ? ep_destroy_wakeup_source+0x20/0x20
Feb 25 06:16:26 [ 3732.555290][ T3768] napi_busy_loop+0x32a/0x340
Feb 25 06:16:26 [ 3732.578556][ T3768] ? ktime_get_ts64+0x44/0xe0
Feb 25 06:16:26 [ 3732.601494][ T3768] ep_poll+0xc6/0x660
Feb 25 06:16:26 [ 3732.623816][ T3768] do_epoll_pwait.part.0+0xf3/0x160
Feb 25 06:16:26 [ 3732.646157][ T3768] __x64_sys_epoll_pwait+0x6a/0x100
Feb 25 06:16:26 [ 3732.668097][ T3768] ? do_syscall_64+0x2d/0x40
Feb 25 06:16:26 [ 3732.689774][ T3768] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
Feb 25 06:16:26 [ 3732.711306][ T3768] ---[ end trace 4a3b032bd7c76cab ]---
Feb 25 06:16:26 [ 3732.749411][ C0] BUG: kernel NULL pointer dereference, address: 0000000000000008
Feb 25 06:16:26 [ 3732.791034][ C0] #PF: supervisor write access in kernel mode
Feb 25 06:16:26 [ 3732.811904][ C0] #PF: error_code(0x0002) - not-present page
Feb 25 06:16:26 [ 3732.832354][ C0] PGD 105979067 P4D 105979067 PUD 133337067 PMD 0
Feb 25 06:16:26 [ 3732.852769][ C0] Oops: 0002 [#1] SMP NOPTI
Feb 25 06:16:26 [ 3732.872440][ C0] CPU: 0 PID: 10 Comm: ksoftirqd/0 Tainted: G W O 5.11.1 #1
Feb 25 06:16:26 [ 3732.910862][ C0] Hardware name: Supermicro Super Server/X10DRi-LN4+, BIOS 3.2 11/19/2019
Feb 25 06:16:26 [ 3732.949036][ C0] RIP: 0010:process_backlog+0xcf/0x230
Feb 25 06:16:26 [ 3732.968335][ C0] Code: 01 00 00 41 8b b7 10 ff ff ff 8d 56 ff 41 89 97 10 ff ff ff 48 8b 08 48 8b 50 08 48 c7 00 00 00 00 00 48 c7 40 08 00 00 00 00 <48> 89 51 08 48 89 0a 0f 1f 44 00 00 48 89 44 24 08 48 8d 54 24 10
Feb 25 06:16:26 [ 3733.025756][ C0] RSP: 0018:ffffb362c31f3da8 EFLAGS: 00010286
Feb 25 06:16:26 [ 3733.044533][ C0] RAX: ffff9a80f49ad700 RBX: ffff9a832f821e50 RCX: 0000000000000000
Feb 25 06:16:26 [ 3733.081729][ C0] RDX: ffff9a832f821e50 RSI: 000000000000060c RDI: ffffffffaf6e3601
Feb 25 06:16:26 [ 3733.119967][ C0] RBP: 0000000000000040 R08: 0000000000000000 R09: 0000000000000003
Feb 25 06:16:27 [ 3733.159415][ C0] R10: ffff9a835b65eec0 R11: ffff9a83428d7620 R12: 0000000000000031
Feb 25 06:16:27 [ 3733.200430][ C0] R13: ffff9a7fc1d5c9c0 R14: ffff9a8359740000 R15: ffff9a832f821f50
Feb 25 06:16:27 [ 3733.243461][ C0] FS: 0000000000000000(0000) GS:ffff9a832f800000(0000) knlGS:0000000000000000
Feb 25 06:16:27 [ 3733.288289][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 25 06:16:27 [ 3733.311467][ C0] CR2: 0000000000000008 CR3: 0000000137d8a001 CR4: 00000000001706f0
Feb 25 06:16:27 [ 3733.357178][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Feb 25 06:16:27 [ 3733.403142][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Feb 25 06:16:27 [ 3733.450233][ C0] Call Trace:
Feb 25 06:16:27 [ 3733.473595][ C0] __napi_poll+0x21/0x190
Feb 25 06:16:27 [ 3733.496875][ C0] net_rx_action+0x239/0x2f0
Feb 25 06:16:27 [ 3733.519867][ C0] __do_softirq+0xad/0x1d8
Feb 25 06:16:27 [ 3733.542374][ C0] run_ksoftirqd+0x15/0x20
Feb 25 06:16:27 [ 3733.564322][ C0] smpboot_thread_fn+0xb3/0x140
Feb 25 06:16:27 [ 3733.586069][ C0] ? sort_range+0x20/0x20
Feb 25 06:16:27 [ 3733.607479][ C0] kthread+0xea/0x120
Feb 25 06:16:27 [ 3733.628223][ C0] ? kthread_park+0x80/0x80
Feb 25 06:16:27 [ 3733.648796][ C0] ret_from_fork+0x1f/0x30
Feb 25 06:16:27 [ 3733.668921][ C0] Modules linked in: nf_conntrack_netlink nfnetlink udp_diag raw_diag unix_diag iptable_filter xt_TCPMSS iptable_mangle xt_addrtype xt_nat iptable_nat ip_tables pppoe pppox ppp_generic slhc team_mode_loadbalance team netconsole coretemp ixgbe mdio mdio_devres libphy nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos
Feb 25 06:16:27 [ 3733.835634][ C0] CR2: 0000000000000008
Feb 25 06:16:27 [ 3733.856445][ C0] ---[ end trace 4a3b032bd7c76cac ]---
Feb 25 06:16:27 [ 3733.877035][ C0] RIP: 0010:process_backlog+0xcf/0x230
Feb 25 06:16:27 [ 3733.897229][ C0] Code: 01 00 00 41 8b b7 10 ff ff ff 8d 56 ff 41 89 97 10 ff ff ff 48 8b 08 48 8b 50 08 48 c7 00 00 00 00 00 48 c7 40 08 00 00 00 00 <48> 89 51 08 48 89 0a 0f 1f 44 00 00 48 89 44 24 08 48 8d 54 24 10
Feb 25 06:16:27 [ 3733.957692][ C0] RSP: 0018:ffffb362c31f3da8 EFLAGS: 00010286
Feb 25 06:16:27 [ 3733.977756][ C0] RAX: ffff9a80f49ad700 RBX: ffff9a832f821e50 RCX: 0000000000000000
Feb 25 06:16:27 [ 3734.016952][ C0] RDX: ffff9a832f821e50 RSI: 000000000000060c RDI: ffffffffaf6e3601
Feb 25 06:16:27 [ 3734.056124][ C0] RBP: 0000000000000040 R08: 0000000000000000 R09: 0000000000000003
Feb 25 06:16:27 [ 3734.096738][ C0] R10: ffff9a835b65eec0 R11: ffff9a83428d7620 R12: 0000000000000031
Feb 25 06:16:27 [ 3734.139326][ C0] R13: ffff9a7fc1d5c9c0 R14: ffff9a8359740000 R15: ffff9a832f821f50
Feb 25 06:16:28 [ 3734.184006][ C0] FS: 0000000000000000(0000) GS:ffff9a832f800000(0000) knlGS:0000000000000000
Feb 25 06:16:28 [ 3734.230851][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 25 06:16:28 [ 3734.255442][ C0] CR2: 0000000000000008 CR3: 0000000137d8a001 CR4: 00000000001706f0
Feb 25 06:16:28 [ 3734.304596][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Feb 25 06:16:28 [ 3734.353227][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Feb 25 06:16:28 [ 3734.401522][ C0] Kernel panic - not syncing: Fatal exception in interrupt
Feb 25 06:16:28 [ 3734.425941][ C10] ------------[ cut here ]------------
Feb 25 06:16:28 [ 3734.449850][ C10] sched: Unexpected reschedule of offline CPU#31!
Feb 25 06:16:28 [ 3734.473526][ C10] WARNING: CPU: 10 PID: 0 at arch/x86/kernel/apic/ipi.c:68 native_smp_send_reschedule+0x2c/0x30
Feb 25 06:16:28 [ 3734.520834][ C10] Modules linked in: nf_conntrack_netlink nfnetlink udp_diag raw_diag unix_diag iptable_filter xt_TCPMSS iptable_mangle xt_addrtype xt_nat iptable_nat ip_tables pppoe pppox ppp_generic slhc team_mode_loadbalance team netconsole coretemp ixgbe mdio mdio_devres libphy nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos
Feb 25 06:16:28 [ 3734.723018][ C10] CPU: 10 PID: 0 Comm: swapper/10 Tainted: G D W O 5.11.1 #1
Feb 25 06:16:28 [ 3734.773886][ C10] Hardware name: Supermicro Super Server/X10DRi-LN4+, BIOS 3.2 11/19/2019
Feb 25 06:16:28 [ 3734.824595][ C10] RIP: 0010:native_smp_send_reschedule+0x2c/0x30
Feb 25 06:16:28 [ 3734.850148][ C10] Code: 48 0f a3 05 f6 f2 62 01 73 12 48 8b 05 4d b6 36 01 be fd 00 00 00 48 8b 40 30 ff e0 89 fe 48 c7 c7 20 d4 32 b0 e8 3c 95 7d 00 <0f> 0b c3 90 48 8b 05 29 b6 36 01 be fb 00 00 00 48 8b 40 30 ff e0
Feb 25 06:16:28 [ 3734.926375][ C10] RSP: 0018:ffffb362c34fcf18 EFLAGS: 00010096
Feb 25 06:16:28 [ 3734.951428][ C10] RAX: 000000000000002f RBX: 0000000000000000 RCX: 00000000ffefffff
Feb 25 06:16:28 [ 3735.000932][ C10] RDX: 00000000ffefffff RSI: ffff9a8726800000 RDI: 0000000000000001
Feb 25 06:16:28 [ 3735.050766][ C10] RBP: ffffb362c34fcf68 R08: ffff9a872d7fffe8 R09: 00000000ffffffea
Feb 25 06:16:28 [ 3735.100642][ C10] R10: 00000000ffefffff R11: 80000000fff00000 R12: 0000000000000002
Feb 25 06:16:29 [ 3735.150651][ C10] R13: ffff9a8359acac40 R14: 0000000000020dc0 R15: ffff9a872fae0dc0
Feb 25 06:16:29 [ 3735.201238][ C10] FS: 0000000000000000(0000) GS:ffff9a872f800000(0000) knlGS:0000000000000000
Feb 25 06:16:29 [ 3735.252469][ C10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 25 06:16:29 [ 3735.278217][ C10] CR2: 00007f1ef4480828 CR3: 0000000246356005 CR4: 00000000001706e0
Feb 25 06:16:29 [ 3735.328368][ C10] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Feb 25 06:16:29 [ 3735.378197][ C10] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Feb 25 06:16:29 [ 3735.427739][ C10] Call Trace:
Feb 25 06:16:29 [ 3735.451761][ C10] <IRQ>
Feb 25 06:16:29 [ 3735.452551][ C0] Shutting down cpus with NMI
Feb 25 06:16:29 [ 3735.475047][ C10] try_to_wake_up+0x5da/0x780
Feb 25 06:16:29 [ 3735.612306][ C0] Kernel Offset: 0x2e000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Feb 25 06:16:29 [ 3735.680997][ C0] Rebooting in 10 seconds..
Feb 25 06:16:39 [ 3745.704638][ C0] ACPI MEMORY or I/O RESET_REG.
Martin
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