Hi Alan :) * Alan Stern <[EMAIL PROTECTED]> dixit: > On Thu, 23 Nov 2006, DervishD wrote: > > Which seems to confirm my suspicions: The adapter is trying > > to get a sector while the drive is, e.g. dumping its internal > > cache or something. The drive is not responding as fast as the > > adapter wants and then all goes bad. The most peculiar thing is > > that these IO errors NEVER happen during writes! They happen only > > when writing, and that's even more strange :??? > > By the way, since about 2.6.14 the SCSI core has been set to > automatically retry commands that get a Hardware error. This > should have made the copying more reliable, but it's hard to tell > exactly what's happening. It could be that they aren't directly > related to the compare mismatches you see.
I haven't had the IO errors under the Ubuntu 2.6.x kernel, if I recall correctly, but since I have done lots of tests with at least three different kernels, I can't swear they didn't produce. I'll test if I can reboot later. Raúl Núñez de Arenas Coronado -- Linux Registered User 88736 | http://www.dervishd.net It's my PC and I'll cry if I want to... RAmen! ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel