Crash log vmcore-dmesg.txt

This module provides vmcore-dmesg.txt crash logs that are stored in /var/crash/[host]-YYYY-MM-DD-HH:MM:SS/.

Exemplary vmcore-dmesg.txt looks like:

[  345.691798] device-mapper: raid: Failed to read superblock of device at position 0
[  345.693497] device-mapper: raid: Discovered old metadata format; upgrading to extended metadata format
[  345.701166] md/raid1:mdX: active with 1 out of 2 mirrors
[  345.726870] BUG: unable to handle kernel NULL pointer dereference at 00000000000005ec
[  345.727782] IP: [<ffffffffc0852ffb>] read_balance+0x1db/0x4e0 [raid1]
[  345.728570] PGD 0
[  345.729279] Oops: 0000 [#1] SMP
[  345.729950] Modules linked in: raid1 dm_raid raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx
[  345.734752]  drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm bfa ahci crct10dif_pclmul crct10dif_common
[  345.737334] CPU: 6 PID: 952 Comm: systemd-udevd Kdump: loaded Not tainted 3.10.0-862.9.1.el7.x86_64 #1
[  345.738198] Hardware name: Dell Inc. PowerEdge R730xd/072T6D, BIOS 2.4.3 01/17/2017
[  345.739334] task: ffff9f888d030fd0 ti: ffff9f86b76b4000 task.ti: ffff9f86b76b4000

The class inherites LogFileOutput and doesn’t implement new methods/attributes. vmcore_dmesg defined in Specs allowes multioutput parsing. Filtering is allowed.

Examples

>>> vmcore_dmesg.get("Modules linked in:")
[{'raw_message': '[  345.729950] Modules linked in: raid1 dm_raid raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx'}]
>>> vmcore_dmesg.get("device-mapper")
[{'raw_message': '[  345.691798] device-mapper: raid: Failed to read superblock of device at position 0'}, {'raw_message': '[  345.693497] device-mapper: raid: Discovered old metadata format; upgrading to extended metadata format'}]
class insights.parsers.vmcore_dmesg.VMCoreDmesg(context)[source]

Bases: LogFileOutput

This class parses data in /var/crash/[host]-YYYY-MM-DD-HH:MM:SS/vmcore-dmesg.txt. Inherited from LogFileOutput. See LogFileOutput for details. No new methods or attributes. MultiOutput is allowed. Filtering is allowed.