Just for confirmation: I tried this on my AIX 4.3.1 box (IBM RS/6000 F50, 1x332Mhz CPU, 128Mb RAM), and it does work. As the machine did halt, it displayed "888 102 300 0c0" at the front LCD. You could also recive this data throu the service processor by choosing: 3 - System Information 4 - Read Service Processor Error Logs The output I got from this was "<DATE> 1. OS termination string received - 888 102 300 0c0" A search for this sequence in the IBM APAR database showed that the macine hanged with a DSI (Data Storage Interrupt). Only god knows what IBM means with that. This is the output of the error reporting program: bash-2.01# errpt -a -l329 --------------------------------------------------------------------------- LABEL: SCANOUT IDENTIFIER: CF8CADB6 Date/Time: tis jul 13 10.15.41 Sequence Number: 329 Machine Id: 0041072A4C00 Node Id: <Insert_machine_name_here> Class: H Type: PERM Resource Name: sysplanar0 Resource Class: planar Resource Type: sysplanar_rspc Location: 00-00 Description SYSTEM FAILURE WITH SCAN DATA Probable Causes SYSTEM HARDWARE SOFTWARE ERROR Failure Causes SYSTEM HARDWARE SOFTWARE SUBSYSTEM Recommended Actions PERFORM PROBLEM DETERMINATION PROCEDURES IF PROBLEM CONTINUES TO OCCUR REPEATEDLY THEN DO THE FOLLOWING CONTACT APPROPRIATE SERVICE REPRESENTATIVE Detail Data ERROR COUNT 1 SCAN DATA PATHNAME /usr/lib/ras/checkstop.0041072A4C00.A This was all the information that I could find. I'm now of to upgrade my AIX version level My best regards, Peter Fredriksson Systems administrator Skriptor AB email - Peter.Fredrikssonat_private Phone: +46 8-441 77 30 Fax: +46 8-698 09 09 > -----Original Message----- > From: GZ Apple [SMTP:gzappleat_private] > Sent: Monday, July 12, 1999 12:13 PM > To: BUGTRAQat_private > Subject: aix 4.2 4.3.1, adb > > Hi, > > Local users can halt the operating system by 'adb' command under my AIX > box. > > Here's a simple C program: > main() > { > int i; > for ( i = 0; i < 10; i++ ) > { > } > > return 0; > } > > I compiled the program and run 'adb': > $ cc -g -o a.out a.c > $ adb a.out - > adb > .main,5:s > a.out: running > > Now host halted. AIX 4.2(IBM RS/6000 F50) and AIX 4.3.1(IBM RS/6000 S70) > have 'adb' problem. But AIX 4.3.2 haven't the 'adb' problem. I have tested > it under my AIX box. Is it bug of AIX 4.2, 4.3.1? > > GZ Apple mailto:gzappleat_private
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