From Bugzilla Helper: User-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows 98) Description of problem: System hangs in the middle of using it. When hangs, nothing works(any keyobard input or ssh from aother machine). Have to use hardware reset button. Version-Release number of selected component (if applicable): How reproducible: Sometimes Steps to Reproduce: Seems to occur when many jobs are running, but the jobs never exceeded even the RAM size. Additional info: (1) System: 21264 dual CPU 833MHz alpha w/ 2GB RAM. Kernel version 2.4.3 (2) Last lines in /var/log/messages : Sep 27 19:35:03 yogi kernel: X(984): unaligned trap at 0000000120cf4144: 0000000120eca852 2c 28 Sep 27 19:35:03 yogi kernel: X(984): unaligned trap at 0000000120cf4144: 0000000120eca856 2c 28 .... there are bunch of messages same as above. (3) Recent change made to the kernel : Enabled 'ide-scsi emualtion' in order to use IDE CD-RW.