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Bug #1391

closed

aac(4) can't produce/save crashdumps

Added by archimedes.gaviola almost 15 years ago. Updated about 13 years ago.

Status:
Closed
Priority:
Normal
Assignee:
swildner
Category:
-
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:

Description

Hi,

This issue is related to
http://leaf.dragonflybsd.org/mailarchive/bugs/2005-12/msg00047.html on
problem no. 2 but this is using an aac(4) RAID controller. This issue
is tested on an IBM x3650 machine with manually-generated panic
through ctrl-alt-escape method and an actual fatal trap error
(debugging an ixgb device driver).

  1. /etc/rc.conf
    ...
    dumpdev=/dev/aacd0s1b # swap device
    dumpdir=/home/crash
    ...
  1. /etc/sysctl.conf
    kern.sync_on_panic=0

With ctrl-alt-escape, calling a dumpsys will just hang my system.

db> call dumpsys

dumping to dev #aacd/0x20001, blockno 10486216
dump 3071

Thanks,
Archimedes

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