From: Paul H. Hargrove (PHHargrove_at_lbl_dot_gov)
Date: Thu Apr 19 2007 - 17:49:59 PDT
Paul H. Hargove wrote: > I've manually verified that I can checkpoint as large as a 2936MB > working set on a 32-bit x86 machine. > > With a 6GB working set on a 64-bit machine I see a file truncated at > (2^31-1) bytes (also on reiserfs). > > I will investigate the cause. > > -Paul [snip] Actually, the 32-bit checkpoints were no good either when > 2GB. I've traced the source of the problem to overflow in some 32bit counters in the page-writing code. The problem is now fixed in CVS, and will appear as 0.5.4, hopefully soon. -Paul -- Paul H. Hargrove PHHargrove_at_lbl_dot_gov Future Technologies Group HPC Research Department Tel: +1-510-495-2352 Lawrence Berkeley National Laboratory Fax: +1-510-486-6900