Got a whole bunch of these in the system log:
Jul 10 23:34:56 c1001910-a kernel: TSW: win < 0 w=0 1=2850047944 2=2850047943
Jul 10 23:34:56 c1001910-a kernel: TSW: win < 0 w=0 1=2850047945 2=2850047944
Jul 10 23:34:57 c1001910-a kernel: TSW: win < 0 w=0 1=2850047946 2=2850047945
Jul 10 23:34:57 c1001910-a kernel: TSW: win < 0 w=0 1=2850047947 2=2850047946
Jul 10 23:34:58 c1001910-a kernel: TSW: win < 0 w=0 1=2850047948 2=2850047947
Jul 10 23:34:59 c1001910-a kernel: TSW: win < 0 w=0 1=2850047949 2=2850047948
Jul 10 23:34:59 c1001910-a kernel: TSW: win < 0 w=0 1=2850047950 2=2850047949
Jul 10 23:35:00 c1001910-a kernel: TSW: win < 0 w=0 1=2850047951 2=2850047950
Jul 10 23:35:00 c1001910-a kernel: TSW: win < 0 w=0 1=2850047952 2=2850047951
Jul 10 23:35:01 c1001910-a kernel: TSW: win < 0 w=0 1=2850047953 2=2850047952
Linux 2.1.42, 3com 905 PCI, Pentium 200 MMX, 64M Ram, PIIX4 EIDE
-Seth