On Friday 09 July 2010 08:54:15 patrick keshishian wrote: > Hi, > > I recently attempted an installation from a usb memory stick, where > installation of xfont47.tgz failed consistently due to "crc error"[0]. > The stick was prepared following steps from OBSD FAQ[1]. > > I recopied xfont47.tgz file to the stick, and confirmed (or so I > thought) that the source and new copy of this file were identical > using cmp(1). > > Restarting the install bombed on the same file. So I stuck the stick > in my source computer and mounted it and ran md5(1) on it. Sure enough > the checksum is different from the source. I did a umount(8) and a > mount(8), then ran md5(1) again, and this time yet a new value was > reported. While mounted, running md5(1) again reports the same value > -- i assume this is because the file is cached at this point -- > explaining why cmp(1) initially failed to raise a flag. Every > umount(8), mount(8) and md5(1) gives a new result: >
In adition to previous answers: http://www.undeadly.org/cgi?action=article&sid=20100404103735 gr Renzo