O'Reilly logo

Panic! UNIX® System Crash Dump Analysis by Kimberley Brown, Chris Drake

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 33. Panic’ed Pipes

The following crash dump was generated on a Sun-4 system running SunOS 4.1.3. The customer who submitted it to us for analysis reported that the system had not had problems in the past. Indeed, it was only when one of the users started writing his own programs that the crashes began.

Always get initial information

Let’s jump right into adb to get some initial information. Data that we use in subsequent adb commands is underlined for visibility.

Hiya on s4-413...  adb -k vmunix.0 vmcore.0 
physmem 3ffd 
hostname/s 
_hostname: 
_hostname:      server01 
*boottime=Y 
                1994 Aug 11 10:52:19 
*time=Y 
                1994 Aug 12 11:32:37 
*panicstr/s 
_sizestr+0x89:  Memory address alignment 
$c _panic(0xf8120eb1,0xf86e8cbc,0xffffffff,0x30,0x7c375,0xf7fffdf0) ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required