Re: Problems with reading DVD using 2.6.21.5

2007-07-29 Thread Alan Cox
> As remounting fixes the problem, I think it doesn't have to do anything > with the IDE driver, right? The device node should always be connected > with the physical device, even if unmount. So the "problem" seems to be The IDE driver handles retries, although for IDE the drive itself also han

Re: Problems with reading DVD using 2.6.21.5

2007-07-29 Thread Manuel Reimer
Robert Hancock wrote: It's not entirely clear to me whether the kernel is doing any retries or not. It likely should be, but somebody more familiar with the block layer would likely have to answer whether it will be or not.. Would be pretty great to get answer of someone, who knows if the kern

Re: Problems with reading DVD using 2.6.21.5

2007-07-28 Thread Robert Hancock
Manuel Reimer wrote: Hello, I tried to reproduce this bug by mounting/unmounting the drive several times. It seems like this problem is caused, if the drive is at speed 0 after some time without access. In this situation, sometimes the drive seems to take a bit longer to speed up. Whenever

Re: Problems with reading DVD using 2.6.21.5

2007-07-28 Thread Manuel Reimer
Hello, I tried to reproduce this bug by mounting/unmounting the drive several times. It seems like this problem is caused, if the drive is at speed 0 after some time without access. In this situation, sometimes the drive seems to take a bit longer to speed up. Whenever it takes a bit longer,

Re: Problems with reading DVD using 2.6.21.5

2007-07-28 Thread Manuel Reimer
Robert Hancock wrote: I don't think this is a bug, the drive was told to read a sector and returned error SK=03, ASC=02, ASCQ=00 which is "NO SEEK COMPLETE", in other words it couldn't find that sector. Could be that the disc is marginally readable and only sometimes causes read errors. The d

Re: Problems with reading DVD using 2.6.21.5

2007-07-27 Thread Robert Hancock
Manuel Reimer wrote: Hello, today I've tried to install Slackware 12.0 As the installer just "skipped" some install steps, I tried to find the error. The problem seems to be unreadable parts on the DVD: http://pastebin.com/f381e8a88 But the DVD is OK. I've checked the MD5sum directly from

Problems with reading DVD using 2.6.21.5

2007-07-27 Thread Manuel Reimer
Hello, today I've tried to install Slackware 12.0 As the installer just "skipped" some install steps, I tried to find the error. The problem seems to be unreadable parts on the DVD: http://pastebin.com/f381e8a88 But the DVD is OK. I've checked the MD5sum directly from disc on the same syst