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Bug #9409

Crash dumps cannot be saved when RAM disks are enabled for /var

Added by Jim Pingle about 1 year ago. Updated 11 months ago.

Status:
Resolved
Priority:
Normal
Assignee:
Category:
Operating System
Target version:
Start date:
03/18/2019
Due date:
% Done:

100%

Estimated time:
Affected Version:
All
Affected Architecture:
All

Description

When a system has RAM disks enabled for /var, the /var/crash directory is missing at bootup when the OS attempts to save crash dumps. As such, the dumps cannot be saved.

Associated revisions

Revision b39d6153 (diff)
Added by Jim Pingle about 1 year ago

Create /var/crash after creating /var RAM disk. Fixes #9409

Revision e788a9e2 (diff)
Added by Jim Pingle about 1 year ago

Create /var/crash after creating /var RAM disk. Fixes #9409

(cherry picked from commit b39d615394eabd2d19afef0936219c609ef602e3)

History

#1 Updated by Jim Pingle about 1 year ago

  • Status changed from New to Feedback
  • % Done changed from 0 to 100

#2 Updated by Jim Pingle 11 months ago

  • Target version changed from 2.5.0 to 2.4.4-p3

#3 Updated by Constantine Kormashev 11 months ago

Tried on 2.4.4-p3. Set RAM Disk Size to 100 (enable swap) and perform sysctl debug.kdb.panic=1, /var/crash contains dump:

ls -lh /var/crash/
total 116
-rw-r--r--  1 root  wheel     2B May 14 18:26 bounds
-rw-------  1 root  wheel   519B May 14 18:26 info.0
lrwxr-xr-x  1 root  wheel     6B May 14 18:26 info.last -> info.0
-rw-------  1 root  wheel   105K May 14 18:26 textdump.tar.0
lrwxr-xr-x  1 root  wheel    14B May 14 18:26 textdump.tar.last -> textdump.tar.0

#4 Updated by Jim Pingle 11 months ago

  • Status changed from Feedback to Resolved

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