| 2018-08-15 18:21:59 |
Ryan Smith |
bug |
|
|
added bug |
| 2018-08-15 18:21:59 |
Ryan Smith |
attachment added |
|
system.log.txt https://bugs.launchpad.net/bugs/1787258/+attachment/5175923/+files/system.log.txt |
|
| 2018-08-15 18:30:06 |
Ubuntu Kernel Bot |
linux (Ubuntu): status |
New |
Incomplete |
|
| 2018-08-15 18:30:07 |
Ubuntu Kernel Bot |
tags |
|
trusty |
|
| 2018-08-15 18:39:37 |
Ryan Smith |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
| 2018-08-15 18:56:37 |
Ryan Smith |
description |
We have updated our 14.04 aws ec2 instances from 3.13.0-153.204 to 3.13.0-155.205, and upon reboot the all kernel panic. full log attached.
[ 0.064081] FEATURE SPEC_CTRL Not Present
[ 0.068730] mce: CPU supports 2 MCE banks
[ 0.072027] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.072027] Last level dTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.080004] Spectre V2 mitigation: Mitigation: Full generic retpoline
[ 0.084004] Spectre V2 mitigation: Speculation control IBPB not-supported IBRS not-supported
[ 0.088005] Speculative Store Bypass: Vulnerable
[ 0.092402] Freeing SMP alternatives memory: 32K (ffffffff81e7a000 - ffffffff81e82000)
[ 0.104581] ACPI: Core revision 20131115
[ 0.111088] ACPI: All ACPI Tables successfully acquired
[ 0.114991] ftrace: allocating 28746 entries in 113 pages
[ 0.160066] divide error: 0000 [#1] SMP
[ 0.163922] Modules linked in:
[ 0.164000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.13.0-155-generic #205-Ubuntu
[ 0.164000] Hardware name: Xen HVM domU, BIOS 4.2.amazon 08/24/2006
[ 0.164000] task: ffff8801e4828000 ti: ffff8801e4826000 task.ti: ffff8801e4826000
[ 0.164000] RIP: 0010:[<ffffffff81d4b9f2>] [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP: 0000:ffff8801e4827e98 EFLAGS: 00010286
[ 0.164000] RAX: 000000000000000e RBX: ffffffff81d18980 RCX: 0000000000000000
[ 0.164000] RDX: 0000000000000000 RSI: 00000000000000d0 RDI: ffff8801efc13380
[ 0.164000] RBP: ffff8801e4827ec0 R08: ffffffff81d18988 R09: 0000000000000004
[ 0.164000] R10: ffffffff8180b6c0 R11: 0001f8ecf7bca282 R12: 0000000000013280
[ 0.164000] R13: 00000000ffffffff R14: 0000000000000100 R15: 000000000000d088
[ 0.164000] FS: 0000000000000000(0000) GS:ffff8801efc00000(0000) knlGS:0000000000000000
[ 0.164000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.164000] CR2: ffff8801effff000 CR3: 0000000001c0e000 CR4: 0000000000160670
[ 0.164000] Stack:
[ 0.164000] ffffffff81d18980 0000000000013280 0000000000000246 0000000000000100
[ 0.164000] 0000000000000000 ffff8801e4827ef0 ffffffff81d4bb82 ffffffff81e5df18
[ 0.164000] ffff8801e4828650 0000000000000246 0000000000000001 ffff8801e4827f00
[ 0.164000] Call Trace:
[ 0.164000] [<ffffffff81d4bb82>] native_smp_prepare_cpus+0x57/0x3e0
[ 0.164000] [<ffffffff81d404e1>] xen_hvm_smp_prepare_cpus+0x9/0x2e
[ 0.164000] [<ffffffff81d3a01b>] kernel_init_freeable+0xa7/0x1eb
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] [<ffffffff8172750e>] kernel_init+0xe/0x130
[ 0.164000] [<ffffffff8174a88e>] ret_from_fork+0x6e/0xa0
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] Code: 48 89 c7 41 83 cd ff 41 54 53 f3 a5 66 c7 80 da 00 00 00 00 00 be d0 00 00 00 0f b7 0d 20 a9 fc ff 8b 05 e2 c5 28 00 8d 44 01 ff <f7> f1 31 d2 89 05 c8 c2 fc ff 8d 81 ff 7f 00 00 f7 f1 89 c3 89
[ 0.164000] RIP [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP <ffff8801e4827e98>
[ 0.324006] ---[ end trace 8671c9f8a4dc811d ]---
[ 0.328017] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 0.328017] |
We have updated our 14.04 aws ec2 instances from 3.13.0-153.204 to 3.13.0-155.205, and upon reboot they all kernel panic. full log attached.
[ 0.064081] FEATURE SPEC_CTRL Not Present
[ 0.068730] mce: CPU supports 2 MCE banks
[ 0.072027] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.072027] Last level dTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.080004] Spectre V2 mitigation: Mitigation: Full generic retpoline
[ 0.084004] Spectre V2 mitigation: Speculation control IBPB not-supported IBRS not-supported
[ 0.088005] Speculative Store Bypass: Vulnerable
[ 0.092402] Freeing SMP alternatives memory: 32K (ffffffff81e7a000 - ffffffff81e82000)
[ 0.104581] ACPI: Core revision 20131115
[ 0.111088] ACPI: All ACPI Tables successfully acquired
[ 0.114991] ftrace: allocating 28746 entries in 113 pages
[ 0.160066] divide error: 0000 [#1] SMP
[ 0.163922] Modules linked in:
[ 0.164000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.13.0-155-generic #205-Ubuntu
[ 0.164000] Hardware name: Xen HVM domU, BIOS 4.2.amazon 08/24/2006
[ 0.164000] task: ffff8801e4828000 ti: ffff8801e4826000 task.ti: ffff8801e4826000
[ 0.164000] RIP: 0010:[<ffffffff81d4b9f2>] [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP: 0000:ffff8801e4827e98 EFLAGS: 00010286
[ 0.164000] RAX: 000000000000000e RBX: ffffffff81d18980 RCX: 0000000000000000
[ 0.164000] RDX: 0000000000000000 RSI: 00000000000000d0 RDI: ffff8801efc13380
[ 0.164000] RBP: ffff8801e4827ec0 R08: ffffffff81d18988 R09: 0000000000000004
[ 0.164000] R10: ffffffff8180b6c0 R11: 0001f8ecf7bca282 R12: 0000000000013280
[ 0.164000] R13: 00000000ffffffff R14: 0000000000000100 R15: 000000000000d088
[ 0.164000] FS: 0000000000000000(0000) GS:ffff8801efc00000(0000) knlGS:0000000000000000
[ 0.164000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.164000] CR2: ffff8801effff000 CR3: 0000000001c0e000 CR4: 0000000000160670
[ 0.164000] Stack:
[ 0.164000] ffffffff81d18980 0000000000013280 0000000000000246 0000000000000100
[ 0.164000] 0000000000000000 ffff8801e4827ef0 ffffffff81d4bb82 ffffffff81e5df18
[ 0.164000] ffff8801e4828650 0000000000000246 0000000000000001 ffff8801e4827f00
[ 0.164000] Call Trace:
[ 0.164000] [<ffffffff81d4bb82>] native_smp_prepare_cpus+0x57/0x3e0
[ 0.164000] [<ffffffff81d404e1>] xen_hvm_smp_prepare_cpus+0x9/0x2e
[ 0.164000] [<ffffffff81d3a01b>] kernel_init_freeable+0xa7/0x1eb
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] [<ffffffff8172750e>] kernel_init+0xe/0x130
[ 0.164000] [<ffffffff8174a88e>] ret_from_fork+0x6e/0xa0
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] Code: 48 89 c7 41 83 cd ff 41 54 53 f3 a5 66 c7 80 da 00 00 00 00 00 be d0 00 00 00 0f b7 0d 20 a9 fc ff 8b 05 e2 c5 28 00 8d 44 01 ff <f7> f1 31 d2 89 05 c8 c2 fc ff 8d 81 ff 7f 00 00 f7 f1 89 c3 89
[ 0.164000] RIP [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP <ffff8801e4827e98>
[ 0.324006] ---[ end trace 8671c9f8a4dc811d ]---
[ 0.328017] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 0.328017] |
|
| 2018-08-15 20:39:35 |
David Coronel |
bug |
|
|
added subscriber David Coronel |
| 2018-08-15 20:51:24 |
Bryan Quigley |
bug |
|
|
added subscriber Bryan Quigley |
| 2018-08-15 21:11:15 |
Joseph Salisbury |
linux (Ubuntu): importance |
Undecided |
Critical |
|
| 2018-08-15 21:11:19 |
Joseph Salisbury |
nominated for series |
|
Ubuntu Trusty |
|
| 2018-08-15 21:11:19 |
Joseph Salisbury |
bug task added |
|
linux (Ubuntu Trusty) |
|
| 2018-08-15 21:11:25 |
Joseph Salisbury |
linux (Ubuntu Trusty): importance |
Undecided |
Critical |
|
| 2018-08-15 21:11:27 |
Joseph Salisbury |
linux (Ubuntu Trusty): status |
New |
Confirmed |
|
| 2018-08-15 21:14:24 |
Tyler Hicks |
linux (Ubuntu Trusty): assignee |
|
Tyler Hicks (tyhicks) |
|
| 2018-08-15 21:17:16 |
Joseph Salisbury |
marked as duplicate |
|
1787127 |
|
| 2018-08-15 21:27:20 |
Jeremy Norris |
bug |
|
|
added subscriber Jeremy Norris |
| 2018-08-15 21:44:57 |
Ryan Smith |
removed duplicate marker |
1787127 |
|
|
| 2018-08-15 22:42:20 |
Tyler Hicks |
bug |
|
|
added subscriber Tyler Hicks |
| 2018-08-15 23:48:56 |
Pac |
bug |
|
|
added subscriber Pac |
| 2018-08-15 23:50:19 |
Tyler Hicks |
description |
We have updated our 14.04 aws ec2 instances from 3.13.0-153.204 to 3.13.0-155.205, and upon reboot they all kernel panic. full log attached.
[ 0.064081] FEATURE SPEC_CTRL Not Present
[ 0.068730] mce: CPU supports 2 MCE banks
[ 0.072027] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.072027] Last level dTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.080004] Spectre V2 mitigation: Mitigation: Full generic retpoline
[ 0.084004] Spectre V2 mitigation: Speculation control IBPB not-supported IBRS not-supported
[ 0.088005] Speculative Store Bypass: Vulnerable
[ 0.092402] Freeing SMP alternatives memory: 32K (ffffffff81e7a000 - ffffffff81e82000)
[ 0.104581] ACPI: Core revision 20131115
[ 0.111088] ACPI: All ACPI Tables successfully acquired
[ 0.114991] ftrace: allocating 28746 entries in 113 pages
[ 0.160066] divide error: 0000 [#1] SMP
[ 0.163922] Modules linked in:
[ 0.164000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.13.0-155-generic #205-Ubuntu
[ 0.164000] Hardware name: Xen HVM domU, BIOS 4.2.amazon 08/24/2006
[ 0.164000] task: ffff8801e4828000 ti: ffff8801e4826000 task.ti: ffff8801e4826000
[ 0.164000] RIP: 0010:[<ffffffff81d4b9f2>] [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP: 0000:ffff8801e4827e98 EFLAGS: 00010286
[ 0.164000] RAX: 000000000000000e RBX: ffffffff81d18980 RCX: 0000000000000000
[ 0.164000] RDX: 0000000000000000 RSI: 00000000000000d0 RDI: ffff8801efc13380
[ 0.164000] RBP: ffff8801e4827ec0 R08: ffffffff81d18988 R09: 0000000000000004
[ 0.164000] R10: ffffffff8180b6c0 R11: 0001f8ecf7bca282 R12: 0000000000013280
[ 0.164000] R13: 00000000ffffffff R14: 0000000000000100 R15: 000000000000d088
[ 0.164000] FS: 0000000000000000(0000) GS:ffff8801efc00000(0000) knlGS:0000000000000000
[ 0.164000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.164000] CR2: ffff8801effff000 CR3: 0000000001c0e000 CR4: 0000000000160670
[ 0.164000] Stack:
[ 0.164000] ffffffff81d18980 0000000000013280 0000000000000246 0000000000000100
[ 0.164000] 0000000000000000 ffff8801e4827ef0 ffffffff81d4bb82 ffffffff81e5df18
[ 0.164000] ffff8801e4828650 0000000000000246 0000000000000001 ffff8801e4827f00
[ 0.164000] Call Trace:
[ 0.164000] [<ffffffff81d4bb82>] native_smp_prepare_cpus+0x57/0x3e0
[ 0.164000] [<ffffffff81d404e1>] xen_hvm_smp_prepare_cpus+0x9/0x2e
[ 0.164000] [<ffffffff81d3a01b>] kernel_init_freeable+0xa7/0x1eb
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] [<ffffffff8172750e>] kernel_init+0xe/0x130
[ 0.164000] [<ffffffff8174a88e>] ret_from_fork+0x6e/0xa0
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] Code: 48 89 c7 41 83 cd ff 41 54 53 f3 a5 66 c7 80 da 00 00 00 00 00 be d0 00 00 00 0f b7 0d 20 a9 fc ff 8b 05 e2 c5 28 00 8d 44 01 ff <f7> f1 31 d2 89 05 c8 c2 fc ff 8d 81 ff 7f 00 00 f7 f1 89 c3 89
[ 0.164000] RIP [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP <ffff8801e4827e98>
[ 0.324006] ---[ end trace 8671c9f8a4dc811d ]---
[ 0.328017] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 0.328017] |
[Impact]
Booting the 3.13.0-155.205 generic kernel on a m3 AWS ec2 instance results in a kernel panic during boot.
[Test Case]
Boot with the 3.13.0-155.205 kernel on an m3 instance and verify that it panics on boot.
Boot a patched kernel on an m3 instance and verify that it boots and that the following warning is present in the kernel logs:
smpboot: x86_max_cores == zero !?!?
[Regression Potential]
The only potential for regressions is in systems that panic while bootnig.
[Original Report]
We have updated our 14.04 aws ec2 instances from 3.13.0-153.204 to 3.13.0-155.205, and upon reboot they all kernel panic. full log attached.
[ 0.064081] FEATURE SPEC_CTRL Not Present
[ 0.068730] mce: CPU supports 2 MCE banks
[ 0.072027] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.072027] Last level dTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.080004] Spectre V2 mitigation: Mitigation: Full generic retpoline
[ 0.084004] Spectre V2 mitigation: Speculation control IBPB not-supported IBRS not-supported
[ 0.088005] Speculative Store Bypass: Vulnerable
[ 0.092402] Freeing SMP alternatives memory: 32K (ffffffff81e7a000 - ffffffff81e82000)
[ 0.104581] ACPI: Core revision 20131115
[ 0.111088] ACPI: All ACPI Tables successfully acquired
[ 0.114991] ftrace: allocating 28746 entries in 113 pages
[ 0.160066] divide error: 0000 [#1] SMP
[ 0.163922] Modules linked in:
[ 0.164000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.13.0-155-generic #205-Ubuntu
[ 0.164000] Hardware name: Xen HVM domU, BIOS 4.2.amazon 08/24/2006
[ 0.164000] task: ffff8801e4828000 ti: ffff8801e4826000 task.ti: ffff8801e4826000
[ 0.164000] RIP: 0010:[<ffffffff81d4b9f2>] [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP: 0000:ffff8801e4827e98 EFLAGS: 00010286
[ 0.164000] RAX: 000000000000000e RBX: ffffffff81d18980 RCX: 0000000000000000
[ 0.164000] RDX: 0000000000000000 RSI: 00000000000000d0 RDI: ffff8801efc13380
[ 0.164000] RBP: ffff8801e4827ec0 R08: ffffffff81d18988 R09: 0000000000000004
[ 0.164000] R10: ffffffff8180b6c0 R11: 0001f8ecf7bca282 R12: 0000000000013280
[ 0.164000] R13: 00000000ffffffff R14: 0000000000000100 R15: 000000000000d088
[ 0.164000] FS: 0000000000000000(0000) GS:ffff8801efc00000(0000) knlGS:0000000000000000
[ 0.164000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.164000] CR2: ffff8801effff000 CR3: 0000000001c0e000 CR4: 0000000000160670
[ 0.164000] Stack:
[ 0.164000] ffffffff81d18980 0000000000013280 0000000000000246 0000000000000100
[ 0.164000] 0000000000000000 ffff8801e4827ef0 ffffffff81d4bb82 ffffffff81e5df18
[ 0.164000] ffff8801e4828650 0000000000000246 0000000000000001 ffff8801e4827f00
[ 0.164000] Call Trace:
[ 0.164000] [<ffffffff81d4bb82>] native_smp_prepare_cpus+0x57/0x3e0
[ 0.164000] [<ffffffff81d404e1>] xen_hvm_smp_prepare_cpus+0x9/0x2e
[ 0.164000] [<ffffffff81d3a01b>] kernel_init_freeable+0xa7/0x1eb
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] [<ffffffff8172750e>] kernel_init+0xe/0x130
[ 0.164000] [<ffffffff8174a88e>] ret_from_fork+0x6e/0xa0
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] Code: 48 89 c7 41 83 cd ff 41 54 53 f3 a5 66 c7 80 da 00 00 00 00 00 be d0 00 00 00 0f b7 0d 20 a9 fc ff 8b 05 e2 c5 28 00 8d 44 01 ff <f7> f1 31 d2 89 05 c8 c2 fc ff 8d 81 ff 7f 00 00 f7 f1 89 c3 89
[ 0.164000] RIP [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP <ffff8801e4827e98>
[ 0.324006] ---[ end trace 8671c9f8a4dc811d ]---
[ 0.328017] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 0.328017] |
|
| 2018-08-15 23:50:42 |
Tyler Hicks |
description |
[Impact]
Booting the 3.13.0-155.205 generic kernel on a m3 AWS ec2 instance results in a kernel panic during boot.
[Test Case]
Boot with the 3.13.0-155.205 kernel on an m3 instance and verify that it panics on boot.
Boot a patched kernel on an m3 instance and verify that it boots and that the following warning is present in the kernel logs:
smpboot: x86_max_cores == zero !?!?
[Regression Potential]
The only potential for regressions is in systems that panic while bootnig.
[Original Report]
We have updated our 14.04 aws ec2 instances from 3.13.0-153.204 to 3.13.0-155.205, and upon reboot they all kernel panic. full log attached.
[ 0.064081] FEATURE SPEC_CTRL Not Present
[ 0.068730] mce: CPU supports 2 MCE banks
[ 0.072027] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.072027] Last level dTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.080004] Spectre V2 mitigation: Mitigation: Full generic retpoline
[ 0.084004] Spectre V2 mitigation: Speculation control IBPB not-supported IBRS not-supported
[ 0.088005] Speculative Store Bypass: Vulnerable
[ 0.092402] Freeing SMP alternatives memory: 32K (ffffffff81e7a000 - ffffffff81e82000)
[ 0.104581] ACPI: Core revision 20131115
[ 0.111088] ACPI: All ACPI Tables successfully acquired
[ 0.114991] ftrace: allocating 28746 entries in 113 pages
[ 0.160066] divide error: 0000 [#1] SMP
[ 0.163922] Modules linked in:
[ 0.164000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.13.0-155-generic #205-Ubuntu
[ 0.164000] Hardware name: Xen HVM domU, BIOS 4.2.amazon 08/24/2006
[ 0.164000] task: ffff8801e4828000 ti: ffff8801e4826000 task.ti: ffff8801e4826000
[ 0.164000] RIP: 0010:[<ffffffff81d4b9f2>] [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP: 0000:ffff8801e4827e98 EFLAGS: 00010286
[ 0.164000] RAX: 000000000000000e RBX: ffffffff81d18980 RCX: 0000000000000000
[ 0.164000] RDX: 0000000000000000 RSI: 00000000000000d0 RDI: ffff8801efc13380
[ 0.164000] RBP: ffff8801e4827ec0 R08: ffffffff81d18988 R09: 0000000000000004
[ 0.164000] R10: ffffffff8180b6c0 R11: 0001f8ecf7bca282 R12: 0000000000013280
[ 0.164000] R13: 00000000ffffffff R14: 0000000000000100 R15: 000000000000d088
[ 0.164000] FS: 0000000000000000(0000) GS:ffff8801efc00000(0000) knlGS:0000000000000000
[ 0.164000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.164000] CR2: ffff8801effff000 CR3: 0000000001c0e000 CR4: 0000000000160670
[ 0.164000] Stack:
[ 0.164000] ffffffff81d18980 0000000000013280 0000000000000246 0000000000000100
[ 0.164000] 0000000000000000 ffff8801e4827ef0 ffffffff81d4bb82 ffffffff81e5df18
[ 0.164000] ffff8801e4828650 0000000000000246 0000000000000001 ffff8801e4827f00
[ 0.164000] Call Trace:
[ 0.164000] [<ffffffff81d4bb82>] native_smp_prepare_cpus+0x57/0x3e0
[ 0.164000] [<ffffffff81d404e1>] xen_hvm_smp_prepare_cpus+0x9/0x2e
[ 0.164000] [<ffffffff81d3a01b>] kernel_init_freeable+0xa7/0x1eb
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] [<ffffffff8172750e>] kernel_init+0xe/0x130
[ 0.164000] [<ffffffff8174a88e>] ret_from_fork+0x6e/0xa0
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] Code: 48 89 c7 41 83 cd ff 41 54 53 f3 a5 66 c7 80 da 00 00 00 00 00 be d0 00 00 00 0f b7 0d 20 a9 fc ff 8b 05 e2 c5 28 00 8d 44 01 ff <f7> f1 31 d2 89 05 c8 c2 fc ff 8d 81 ff 7f 00 00 f7 f1 89 c3 89
[ 0.164000] RIP [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP <ffff8801e4827e98>
[ 0.324006] ---[ end trace 8671c9f8a4dc811d ]---
[ 0.328017] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 0.328017] |
[Impact]
Booting the 3.13.0-155.205 generic kernel on a m3 AWS ec2 instance results in a kernel panic during boot.
[Test Case]
Boot with the 3.13.0-155.205 kernel on an m3 instance and verify that it panics on boot.
Boot a patched kernel on an m3 instance and verify that it boots, without a panic, and that the following warning is present in the kernel logs:
smpboot: x86_max_cores == zero !?!?
[Regression Potential]
The only potential for regressions is in systems that panic while bootnig.
[Original Report]
We have updated our 14.04 aws ec2 instances from 3.13.0-153.204 to 3.13.0-155.205, and upon reboot they all kernel panic. full log attached.
[ 0.064081] FEATURE SPEC_CTRL Not Present
[ 0.068730] mce: CPU supports 2 MCE banks
[ 0.072027] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.072027] Last level dTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.080004] Spectre V2 mitigation: Mitigation: Full generic retpoline
[ 0.084004] Spectre V2 mitigation: Speculation control IBPB not-supported IBRS not-supported
[ 0.088005] Speculative Store Bypass: Vulnerable
[ 0.092402] Freeing SMP alternatives memory: 32K (ffffffff81e7a000 - ffffffff81e82000)
[ 0.104581] ACPI: Core revision 20131115
[ 0.111088] ACPI: All ACPI Tables successfully acquired
[ 0.114991] ftrace: allocating 28746 entries in 113 pages
[ 0.160066] divide error: 0000 [#1] SMP
[ 0.163922] Modules linked in:
[ 0.164000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.13.0-155-generic #205-Ubuntu
[ 0.164000] Hardware name: Xen HVM domU, BIOS 4.2.amazon 08/24/2006
[ 0.164000] task: ffff8801e4828000 ti: ffff8801e4826000 task.ti: ffff8801e4826000
[ 0.164000] RIP: 0010:[<ffffffff81d4b9f2>] [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP: 0000:ffff8801e4827e98 EFLAGS: 00010286
[ 0.164000] RAX: 000000000000000e RBX: ffffffff81d18980 RCX: 0000000000000000
[ 0.164000] RDX: 0000000000000000 RSI: 00000000000000d0 RDI: ffff8801efc13380
[ 0.164000] RBP: ffff8801e4827ec0 R08: ffffffff81d18988 R09: 0000000000000004
[ 0.164000] R10: ffffffff8180b6c0 R11: 0001f8ecf7bca282 R12: 0000000000013280
[ 0.164000] R13: 00000000ffffffff R14: 0000000000000100 R15: 000000000000d088
[ 0.164000] FS: 0000000000000000(0000) GS:ffff8801efc00000(0000) knlGS:0000000000000000
[ 0.164000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.164000] CR2: ffff8801effff000 CR3: 0000000001c0e000 CR4: 0000000000160670
[ 0.164000] Stack:
[ 0.164000] ffffffff81d18980 0000000000013280 0000000000000246 0000000000000100
[ 0.164000] 0000000000000000 ffff8801e4827ef0 ffffffff81d4bb82 ffffffff81e5df18
[ 0.164000] ffff8801e4828650 0000000000000246 0000000000000001 ffff8801e4827f00
[ 0.164000] Call Trace:
[ 0.164000] [<ffffffff81d4bb82>] native_smp_prepare_cpus+0x57/0x3e0
[ 0.164000] [<ffffffff81d404e1>] xen_hvm_smp_prepare_cpus+0x9/0x2e
[ 0.164000] [<ffffffff81d3a01b>] kernel_init_freeable+0xa7/0x1eb
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] [<ffffffff8172750e>] kernel_init+0xe/0x130
[ 0.164000] [<ffffffff8174a88e>] ret_from_fork+0x6e/0xa0
[ 0.164000] [<ffffffff81727500>] ? rest_init+0x80/0x80
[ 0.164000] Code: 48 89 c7 41 83 cd ff 41 54 53 f3 a5 66 c7 80 da 00 00 00 00 00 be d0 00 00 00 0f b7 0d 20 a9 fc ff 8b 05 e2 c5 28 00 8d 44 01 ff <f7> f1 31 d2 89 05 c8 c2 fc ff 8d 81 ff 7f 00 00 f7 f1 89 c3 89
[ 0.164000] RIP [<ffffffff81d4b9f2>] smp_store_boot_cpu_info+0x58/0x191
[ 0.164000] RSP <ffff8801e4827e98>
[ 0.324006] ---[ end trace 8671c9f8a4dc811d ]---
[ 0.328017] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 0.328017] |
|
| 2018-08-16 08:38:52 |
Stefan Bader |
linux (Ubuntu Trusty): status |
Confirmed |
Fix Committed |
|
| 2018-08-16 09:21:07 |
Jeroen Vijfhuizen |
bug |
|
|
added subscriber Jeroen Vijfhuizen |
| 2018-08-16 10:22:56 |
Adam McMaster |
bug |
|
|
added subscriber Adam McMaster |
| 2018-08-16 13:06:05 |
Th |
bug |
|
|
added subscriber Th |
| 2018-08-16 14:14:48 |
Mauro |
bug |
|
|
added subscriber Mauro |
| 2018-08-16 19:03:59 |
Pascal Ouellet |
bug |
|
|
added subscriber Pascal Ouellet |
| 2018-08-16 19:04:14 |
Pascal Ouellet |
information type |
Public |
Public Security |
|
| 2018-08-16 19:19:50 |
Pascal Ouellet |
information type |
Public Security |
Public |
|
| 2018-08-17 09:54:24 |
Valentin DARRE |
linux (Ubuntu Trusty): status |
Fix Committed |
Fix Released |
|
| 2018-08-18 02:04:40 |
Nathan Stratton Treadway |
bug |
|
|
added subscriber Nathan Stratton Treadway |
| 2018-09-13 05:06:31 |
Tyler Hicks |
linux (Ubuntu): status |
Confirmed |
Invalid |
|
| 2019-07-24 20:18:46 |
Brad Figg |
tags |
trusty |
cscc trusty |
|
