Hi-
I've seen the following panic on shutdown for about a week. I've been fighting a stomach bug, so I haven't been able to drill into it until now. I'm bisecting, but thought I should report the issue now.
[52704.952919] BUG: unable to handle page fault for address: ffffffffffffffe8 [52704.954545] #PF: supervisor read access in kernel mode [52704.955755] #PF: error_code(0x0000) - not-present page [52704.956952] PGD 1c4415067 P4D 1c4415067 PUD 1c4417067 PMD 0 [52704.958291] Oops: 0000 [#1] SMP PTI [52704.959136] CPU: 3 PID: 1 Comm: systemd-shutdow Not tainted 5.10.226-g9ee79287d0d8 #1 [52704.960950] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40 04/01/2014 [52704.962902] RIP: 0010:platform_shutdown+0x9/0x50 [52704.964010] Code: 02 00 00 ff 75 dd 31 c0 48 83 05 19 c9 b6 02 01 5d c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8b 47 68 <48> 8b 40 e8 48 85 c0 74 23 55 48 83 ef 10 48 83 05 01 ca b6 02 01 [52704.968215] RSP: 0018:ffffaaf780013d88 EFLAGS: 00010246 [52704.969426] RAX: 0000000000000000 RBX: ffff8f91478b6018 RCX: 0000000000000000 [52704.971095] RDX: 0000000000000001 RSI: ffff8f91478b6018 RDI: ffff8f91478b6010 [52704.972758] RBP: ffffaaf780013db8 R08: ffff8f91478b4408 R09: 0000000000000000 [52704.974433] R10: 000000000000000f R11: ffffffffa654d2e0 R12: ffffffffa6ba0440 [52704.976083] R13: ffff8f91478b6010 R14: ffff8f91478b6090 R15: 0000000000000000 [52704.977765] FS: 00007f0f126e6b80(0000) GS:ffff8f92b7d80000(0000) knlGS:0000000000000000 [52704.979653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [52704.981008] CR2: ffffffffffffffe8 CR3: 00000001501be006 CR4: 0000000000170ee0 [52704.982697] Call Trace: [52704.983309] ? show_regs.cold+0x22/0x2f [52704.984223] ? __die_body+0x28/0xb0 [52704.985076] ? __die+0x39/0x4c [52704.985827] ? no_context.constprop.0+0x190/0x480 [52704.986940] ? __bad_area_nosemaphore+0x51/0x290 [52704.988050] ? bad_area_nosemaphore+0x1e/0x30 [52704.989082] ? do_kern_addr_fault+0x9a/0xf0 [52704.990098] ? exc_page_fault+0x1d3/0x350 [52704.991047] ? asm_exc_page_fault+0x1e/0x30 [52704.992041] ? platform_shutdown+0x9/0x50 [52704.992997] ? platform_dev_attrs_visible+0x50/0x50 [52704.994152] ? device_shutdown+0x260/0x3d0 [52704.995132] kernel_restart_prepare+0x4e/0x60 [52704.996180] kernel_restart+0x1b/0x50 [52704.997070] __do_sys_reboot+0x24d/0x330 [52704.998026] ? finish_task_switch+0xf6/0x620 [52704.999049] ? __schedule+0x486/0xf50 [52704.999926] ? exit_to_user_mode_prepare+0xc3/0x390 [52705.000840] __x64_sys_reboot+0x26/0x40 [52705.001542] do_syscall_64+0x50/0x90 [52705.002218] entry_SYSCALL_64_after_hwframe+0x67/0xd1 [52705.003356] RIP: 0033:0x7f0f1369def7 [52705.004216] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 89 fa be 69 19 12 28 bf ad de e1 fe b8 a9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 51 af 0c 00 f7 d8 64 89 02 b8 [52705.008496] RSP: 002b:00007fffcbc9eb48 EFLAGS: 00000206 ORIG_RAX: 00000000000000a9 [52705.010235] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f1369def7 [52705.011915] RDX: 0000000001234567 RSI: 0000000028121969 RDI: 00000000fee1dead [52705.013593] RBP: 00007fffcbc9eda0 R08: 0000000000000000 R09: 00007fffcbc9df40 [52705.015272] R10: 00007fffcbc9e100 R11: 0000000000000206 R12: 00007fffcbc9ebd8 [52705.016928] R13: 0000000000000000 R14: 0000000000000000 R15: 000055a7848b1968 [52705.018585] Modules linked in: sunrpc nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 rfkill nf_tables nfnetlink iTCO_wdt intel_rapl_msr intel_rapl_common intel_pmc_bxt kvm_intel iTCO_vendor_support kvm virtio_net irqbypass rapl joydev net_failover i2c_i801 lpc_ich failover i2c_smbus virtio_balloon fuse zram xfs crct10dif_pclmul crc32_pclmul crc32c_intel serio_raw ghash_clmulni_intel virtio_blk virtio_console qemu_fw_cfg [last unloaded: nft_fib] [52705.029015] CR2: ffffffffffffffe8 [52705.029832] ---[ end trace 40dfe466fd371faa ]--- [52705.030908] RIP: 0010:platform_shutdown+0x9/0x50 [52705.031972] Code: 02 00 00 ff 75 dd 31 c0 48 83 05 19 c9 b6 02 01 5d c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8b 47 68 <48> 8b 40 e8 48 85 c0 74 23 55 48 83 ef 10 48 83 05 01 ca b6 02 01 [52705.036245] RSP: 0018:ffffaaf780013d88 EFLAGS: 00010246 [52705.037474] RAX: 0000000000000000 RBX: ffff8f91478b6018 RCX: 0000000000000000 [52705.039143] RDX: 0000000000000001 RSI: ffff8f91478b6018 RDI: ffff8f91478b6010 [52705.040827] RBP: ffffaaf780013db8 R08: ffff8f91478b4408 R09: 0000000000000000 [52705.042463] R10: 000000000000000f R11: ffffffffa654d2e0 R12: ffffffffa6ba0440 [52705.044135] R13: ffff8f91478b6010 R14: ffff8f91478b6090 R15: 0000000000000000 [52705.045784] FS: 00007f0f126e6b80(0000) GS:ffff8f92b7d80000(0000) knlGS:0000000000000000 [52705.047637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [52705.048992] CR2: ffffffffffffffe8 CR3: 00000001501be006 CR4: 0000000000170ee0 [52705.050655] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 [52705.053432] Kernel Offset: 0x23000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [52705.055871] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 ]---
-- Chuck Lever