Kernel panic due to double fault, error_code: 0x0
Issue
- The kernel crashed due to the
double fault exception
- Server rebooted automatically with a
kernel panic not syncing: Machine halted
with the following kernel buffer logs
[39431632.321369] PANIC: double fault, error_code: 0x0
[39431632.321370] CPU: 0 PID: 3341602 Comm: sshd Kdump: loaded Not tainted 4.18.0-348.12.2.el8_5.x86_64 #1
[39431632.321370] Hardware name: Red Hat RHEV Hypervisor, BIOS 1.11.0-2.el7 04/01/2014
[39431632.321371] RIP: 0010:error_entry+0x11/0x160
[39431632.321372] Code: ff ff 0f 01 f8 e9 a3 f8 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 fc 56 48 8b 74 24 08 48 89 7c 24 08 52 51 50 41 50 <41> 51 41 52 41 53 53 55 41 54 41 55 41 56 41 57 56 31 d2 31
c9 45
[..]
[39431632.321399] Kernel panic - not syncing: Machine halted.
[39431632.321399] CPU: 0 PID: 3341602 Comm: sshd Kdump: loaded Not tainted 4.18.0-348.12.2.el8_5.x86_64 #1
[39431632.321399] Hardware name: Red Hat RHEV Hypervisor, BIOS 1.11.0-2.el7 04/01/2014
[39431632.321400] Call Trace:
[39431632.321400] <#DF>
[39431632.321400] dump_stack+0x5c/0x80
[39431632.321405] panic+0xe7/0x2a9
[39431632.321406] df_debug+0x29/0x36
[39431632.321406] do_double_fault+0xdb/0x160
[39431632.321407] double_fault+0x1e/0x30
[39431632.321407] RIP: 0010:error_entry+0x11/0x160
[39431632.321409] Code: ff ff 0f 01 f8 e9 a3 f8 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 fc 56 48 8b 74 24 08 48 89 7c 24 08 52 51 50 41 50 <41> 51 41 52 41 53 53 55 41 54 41 55 41 56 41 57 56 31 d2 31
c9 45
[39431632.321410] RSP: 0018:ffffaaa96bfcf000 EFLAGS: 00010093
[39431632.321411] RAX: 0000000084800b87 RBX: 0000000000000000 RCX: ffffffff84800b87
[39431632.321411] RDX: 0000000000000000 RSI: ffffffff84801108 RDI: ffffaaa96bfcf068
[39431632.321412] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[39431632.321412] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[39431632.321413] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[39431632.321413] ? native_iret+0x7/0x7
[39431632.321414] ? page_fault+0x8/0x30
[39431632.321414] </#DF>
[39431632.321414] ? native_iret+0x7/0x7
[39431632.321415] ? __do_page_fault+0x4c0/0x4c0
[39431632.321415] ? page_fault+0x1e/0x30
[39431632.321415] ? native_iret+0x7/0x7
[39431632.321416] ? __do_page_fault+0x4c0/0x4c0
Environment
- Red Hat Enterprise Linux release 8.5 (Ootpa)
- Kernel 4.18.0-425.3.1.el8.x86_64
- RHEV Hypervisor
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