On Sep 26 12:08, Dave Korn wrote: > ----Original Message---- > >From: Bengt-Arne Fjellner > >Sent: 26 September 2005 11:43 > > > When using dd with flags conv=noerror,sync > > It tries reading after the disc ends. > > > > This line in cygwin tries reading past end of media: > > dd if=/dev/sdd of=kkkkkk bs=512 skip=156280250 conv=noerror,sync > > dd: reading `/dev/sdd': Input/Output error > > 21120+0 records in > > 21120+0 records out > > 10813440 bytes (11 MB) copied, 1.151 seconds, 9.4 MB/s > > dd: reading `/dev/sdd': Input/Output error > > 21120+1 records in > > 21121+0 records out > > repeats "forever" > > > > > Stops at end of disk. Whos wrong? > > There is very definitely a problem with cygwin vs. dd, which I'm > investigating. I've seen the same thing with CF memory cards, and initially > thought it was directly related to the memcard driver, but I was becoming > convinced it's a generic problem with cygwin's readv, and since you've found > it shows up on hard drives as well, that confirms it for me. I'll get round > to it late tonight.
I've applied a patch which tries to workaround the strange behaviour of Win32 ReadFile when reading beyond EOF. Please give the next developers snapshot a try. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat, Inc. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
