On Monday 10 December 2018 03:44:20 Thomas Schmitt wrote: > Hi, > > Gene Heskett wrote: > > > > Classic slow spinup. > > I wrote: > > > After 33 MiB of reading ? > > > > That much would would also invalidate the dry sliders theory > > There might well be mechanical or optical problems involved. As said, > the failure patterns of drives are variform. Thus my question whether > dd can replace dvdbackup as trailblazer. > > ---------------------------------------------------------------------- >-- > > Off topic: > > > (We have a bug in the kernel since 2008 which prevents waiting for > > > the drive to become ready after automatic tray loading. > > > > I've noted that too. > > I identified the two commits involved > (210ba1d1724f5c4ed87a2ab1a21ca861a915f734 and > 96bcc722c47d07b6fd05c9d0cb3ab8ea5574c5b1) and have a proposal for a > fix. What i don't have is real iron for kernel development or contact > to a kernel developer who would be interested in the sr driver and its > bugs. > > The old timeout limit was 20 seconds. My lamest drive needs 18 seconds > to become ready (not by spin-up delay but rather by long reading time > when assessing the medium state). So i'd propose 30 seconds of > patience. > I personally think thats a heck of a good idea. Someone with commit rights should make it so.
The best cd/dvd writer we have, k3b, cannot be told to verify its written image because it times out way too fast at re-recognizing the ejected and reloaded disk. This has needed fixing since years ago. > ---------------------------------------------------------------------- >-- > > Have a nice day :) > > Thomas -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene>
