Package: src:linux Version: 4.8.11-1~bpo8+1 Severity: important Dear Maintainer,
rebooting an AWS m4.xlarge instance in Frankfurt region using HVM xen virtualization yielded the following panic. Hard resetting the system helped. -- Package-specific info: [ 1.050518] Freeing initrd memory: 17432K (ffff8af5b5de4000 - ffff8af5b6eea000) [ 1.053182] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.055348] software IO TLB [mem 0xec000000-0xf0000000] (64MB) mapped at [ffff8af66c000000-ffff8af66fffffff] [ 1.058927] BUG: unable to handle kernel paging request at 0000000000019bcb [ 1.061825] IP: [<ffffffffb441440d>] rapl_cpu_online+0x5d/0x70 [ 1.062900] PGD 0 [ 1.062900] Oops: 0002 [#1] SMP [ 1.062900] Modules linked in: [ 1.062900] CPU: 2 PID: 20 Comm: cpuhp/2 Not tainted 4.8.0-0.bpo.2-amd64 #1 Debian 4.8.11-1~bpo8+1 [ 1.062900] Hardware name: Xen HVM domU, BIOS 4.2.amazon 11/11/2016 [ 1.062900] task: ffff8af9865a9080 task.stack: ffff8af9865e8000 [ 1.062900] RIP: 0010:[<ffffffffb441440d>] [<ffffffffb441440d>] rapl_cpu_online+0x5d/0x70 [ 1.062900] RSP: 0000:ffff8af9865ebe28 EFLAGS: 00010212 [ 1.062900] RAX: 0000000000000200 RBX: ffff8af98fc0dc40 RCX: 0000000000000000 [ 1.062900] RDX: 0000000000000200 RSI: 0000000000000200 RDI: 0000000000000200 [ 1.062900] RBP: 0000000000000002 R08: 0000000000000007 R09: 0000000000000000 [ 1.062900] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000019bc3 [ 1.062900] R13: ffffffffb44143b0 R14: ffff8af98fc0dc40 R15: 0000000000000079 [ 1.062900] FS: 0000000000000000(0000) GS:ffff8af98fc00000(0000) knlGS:0000000000000000 [ 1.062900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.062900] CR2: 0000000000019bcb CR3: 000000027ec06000 CR4: 00000000001406e0 [ 1.062900] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1.062900] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1.062900] Stack: [ 1.062900] ffff8af98fc0dc40 0000000000000002 000000000000004d ffffffffb447ea6e [ 1.062900] ffff8af98fc0dc40 0000000000000002 ffffffffb4e3f080 ffff8af9865a9080 [ 1.062900] ffff8af9865a9080 ffff8af9865a9080 ffffffffb447ecfb ffff8af9865a9080 [ 1.062900] Call Trace: [ 1.062900] [<ffffffffb447ea6e>] ? cpuhp_invoke_callback+0x3e/0xf0 [ 1.062900] [<ffffffffb447ecfb>] ? cpuhp_thread_fun+0x3b/0x100 [ 1.062900] [<ffffffffb44a0194>] ? smpboot_thread_fn+0x124/0x190 [ 1.062900] [<ffffffffb44a0070>] ? sort_range+0x20/0x20 [ 1.062900] [<ffffffffb449cecf>] ? kthread+0xdf/0x100 [ 1.062900] [<ffffffffb49f3daf>] ? ret_from_fork+0x1f/0x40 [ 1.062900] [<ffffffffb449cdf0>] ? kthread_park+0x50/0x50 [ 1.062900] Code: 00 00 00 48 83 c2 22 4c 8b 24 d1 48 c7 c2 80 a1 00 00 48 01 c2 e8 04 56 31 00 3b 05 a2 75 b1 00 7c 0e f0 48 0f ab 2d f3 92 c8 00 <41> 89 6c 24 08 5b 31 c0 5d 41 5c c3 0f 1f 80 00 00 00 00 0f 1f [ 1.062900] RIP [<ffffffffb441440d>] rapl_cpu_online+0x5d/0x70 [ 1.062900] RSP <ffff8af9865ebe28> [ 1.062900] CR2: 0000000000019bcb [ 1.062900] ---[ end trace a7c718c99e1e2c49 ]--- [ 1.157822] BUG: unable to handle kernel paging request at 0000000000019250 [ 1.160780] IP: [<ffffffffb44c7f8c>] __pv_queued_spin_lock_slowpath+0x18c/0x260 [ 1.161806] PGD 0 [ 1.161806] Oops: 0002 [#2] SMP [ 1.161806] Modules linked in: [ 1.161806] CPU: 2 PID: 20 Comm: cpuhp/2 Tainted: G D 4.8.0-0.bpo.2-amd64 #1 Debian 4.8.11-1~bpo8+1 [ 1.161806] Hardware name: Xen HVM domU, BIOS 4.2.amazon 11/11/2016 [ 1.161806] task: ffff8af9865a9080 task.stack: ffff8af9865e8000 [ 1.161806] RIP: 0010:[<ffffffffb44c7f8c>] [<ffffffffb44c7f8c>] __pv_queued_spin_lock_slowpath+0x18c/0x260 [ 1.161806] RSP: 0000:ffff8af9865ebe58 EFLAGS: 00010006 [ 1.161806] RAX: 0000000000003492 RBX: ffff8af9865ebf18 RCX: 0000000000000000 [ 1.161806] RDX: 0000000000000000 RSI: 00000000d24d4b3e RDI: ffff8af9865ebf18 [ 1.161806] RBP: ffff8af98fc19240 R08: 0000000000000000 R09: 0000000000ffff0a [ 1.161806] R10: 0000000031372d34 R11: 000000000000017a R12: 0000000000019250 [ 1.161806] R13: ffff8af98fc19284 R14: 00000000000c0000 R15: 0000000000000001 [ 1.161806] FS: 0000000000000000(0000) GS:ffff8af98fc00000(0000) knlGS:0000000000000000 [ 1.161806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.161806] CR2: 0000000000019250 CR3: 000000027ec06000 CR4: 00000000001406e0 [ 1.161806] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1.161806] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1.161806] Stack: [ 1.161806] 0000000000ffff0a 0000000000000282 ffff8af9865ebf10 ffff8af9865ebd78 [ 1.161806] 0000000000000000 0000000000000046 0000000000000001 ffffffffb49f3ac2 [ 1.161806] ffff8af9865ebf18 ffffffffb44c0598 ffff8af9865a97a8 ffff8af9865a9080 [ 1.161806] Call Trace: [ 1.161806] [<ffffffffb49f3ac2>] ? _raw_spin_lock_irqsave+0x32/0x40 [ 1.161806] [<ffffffffb44c0598>] ? complete+0x18/0x40 [ 1.161806] [<ffffffffb447b050>] ? mm_release+0xb0/0x130 [ 1.161806] [<ffffffffb44816e3>] ? do_exit+0x153/0xb70 [ 1.161806] [<ffffffffb49f5357>] ? rewind_stack_do_exit+0x17/0x20 [ 1.161806] [<ffffffffb449cdf0>] ? kthread_park+0x50/0x50 [ 1.161806] Code: 89 c4 c1 e8 12 4c 8d 6d 44 49 c1 ec 0c 83 e8 01 41 bf 01 00 00 00 41 83 e4 30 48 98 49 81 c4 40 92 01 00 4c 03 24 c5 40 8f f2 b4 <49> 89 2c 24 b8 00 80 00 00 eb 15 84 c0 75 0a 41 0f b6 54 24 44 [ 1.161806] RIP [<ffffffffb44c7f8c>] __pv_queued_spin_lock_slowpath+0x18c/0x260 [ 1.161806] RSP <ffff8af9865ebe58> [ 1.161806] CR2: 0000000000019250 [ 1.161806] ---[ end trace a7c718c99e1e2c4a ]--- [ 1.161806] Fixing recursive fault but reboot is needed! -- System Information: Debian Release: 8.7 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable') Architecture: amd64 (x86_64) Kernel: Linux 4.7.0-0.bpo.1-amd64 (SMP w/1 CPU core) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages linux-image-4.8.0-0.bpo.2-amd64 depends on: ii initramfs-tools [linux-initramfs-tool] 0.120+deb8u2 ii kmod 18-3 ii linux-base 4.3~bpo8+1 Versions of packages linux-image-4.8.0-0.bpo.2-amd64 recommends: ii firmware-linux-free 3.3 ii irqbalance 1.1.0-2~bpo8+1 Versions of packages linux-image-4.8.0-0.bpo.2-amd64 suggests: pn debian-kernel-handbook <none> ii grub-pc 2.02~beta2-22+deb8u1 pn linux-doc-4.8 <none> Versions of packages linux-image-4.8.0-0.bpo.2-amd64 is related to: pn firmware-amd-graphics <none> pn firmware-atheros <none> pn firmware-bnx2 <none> pn firmware-bnx2x <none> pn firmware-brcm80211 <none> pn firmware-cavium <none> pn firmware-intel-sound <none> pn firmware-intelwimax <none> pn firmware-ipw2x00 <none> pn firmware-ivtv <none> pn firmware-iwlwifi <none> pn firmware-libertas <none> pn firmware-linux-nonfree <none> pn firmware-misc-nonfree <none> pn firmware-myricom <none> pn firmware-netxen <none> pn firmware-qlogic <none> pn firmware-realtek <none> pn firmware-samsung <none> pn firmware-siano <none> pn firmware-ti-connectivity <none> pn xen-hypervisor <none> -- no debconf information
