Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-20 Thread Joerg Schilling
Steve Dibb wrote: > On 12/4/18 3:31 AM, Joerg Schilling wrote: > > Dale wrote: > > > >> So as usual, they are not very Linux friendly.  Figures.  I was hoping > > > > The main problem with Linux is that the drivers at SCSI level in the kernel > > are > > worse than they could be, so if you

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-20 Thread Steve Dibb
On 12/4/18 3:31 AM, Joerg Schilling wrote: Dale wrote: So as usual, they are not very Linux friendly.  Figures.  I was hoping The main problem with Linux is that the drivers at SCSI level in the kernel are worse than they could be, so if you like to get better results, you should encourage

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-20 Thread Joerg Schilling
Steve Dibb wrote: > > With software that operates at block driver level, you depend on the error > > recovery features from the OS driver. > > OS driver, do you mean for SCSI in Linux or the driver for that ATA chipset? No, the high level driver that deals with attached hard disks and that also

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-20 Thread Steve Dibb
On 12/14/18 3:31 AM, Joerg Schilling wrote: Steve Dibb wrote: On 12/3/18 9:27 AM, Pouru Lasse wrote: I've got a bunch of scratched disc-based games (PS2, Xbox 360) that I'd like to check for errors. Is there any program for Linux that does this? I found and tried dvdisaster, but it only

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-14 Thread Joerg Schilling
Steve Dibb wrote: > On 12/3/18 9:27 AM, Pouru Lasse wrote: > > I've got a bunch of scratched disc-based games (PS2, Xbox 360) that I'd > > like to check for errors. Is there any program for Linux that does this? > > I found and tried dvdisaster, but it only works for CDs, not > > DVDs.

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-13 Thread Steve Dibb
On 12/3/18 9:27 AM, Pouru Lasse wrote: I've got a bunch of scratched disc-based games (PS2, Xbox 360) that I'd like to check for errors. Is there any program for Linux that does this? I found and tried dvdisaster, but it only works for CDs, not DVDs. Everything else seems to be Windows-only. -

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-04 Thread Jack
On 2018.12.04 02:51, Pouru Lasse wrote: [snip] I thought that dvdisaster should work for DVDs based on the name, but it gives the error "this software does not support DVD-ROM type media" for DVD games and also for regular movie DVDs. Maybe the ebuild is limited to just CDs for some

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-04 Thread Joerg Schilling
Andrew Udvare wrote: > PS1 and PS2 games can be checked without special hardware in this case, > but for others, specific hardware is required. Games on DVD are a general problem as I expect them to contain intentionally "unreadable sectors" that can neither be distinct from unreadable sectors

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-04 Thread Joerg Schilling
Dale wrote: > So as usual, they are not very Linux friendly.  Figures.  I was hoping The main problem with Linux is that the drivers at SCSI level in the kernel are worse than they could be, so if you like to get better results, you should encourage the kernel people to do their homework.

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-04 Thread Joerg Schilling
Francesco Turco wrote: > ddrescue? Are you sure this helps? >From the name, it sounds like it does not understand SCSI level, but this is required for best recovery results, as the problems usually are in the bad implementation at the drivers at kernel level. Jörg --

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-04 Thread Joerg Schilling
Pouru Lasse wrote: > I've got a bunch of scratched disc-based games (PS2, Xbox 360) that I'd > like to check for errors. Is there any program for Linux that does this? > I found and tried dvdisaster, but it only works for CDs, not > DVDs. Everything else seems to be Windows-only. I am not sure

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-03 Thread Pouru Lasse
Dale writes: > Andrew Udvare wrote: >> On 03/12/2018 17:50, Dale wrote: >>> Jack wrote: >>> >>> I was wondering if the checksums could be checked?  If the OP can find >>> the checksum for the DVD as it comes from the factory, then he could >>> check what he has against that.  Question is, is

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-03 Thread Andrew Udvare
> On 2018-12-03, at 23:16, Davyd McColl wrote: > > Not so much just for verification, but I'd also check out ddrescue. If the > tool dumps your media easily, it's probably good. If it struggles, you may at > least still have a workable image by the time it is done. The lasers in older game

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-03 Thread Davyd McColl
On December 3, 2018 11:32:46 PM Jack wrote: On 2018.12.03 11:27, Pouru Lasse wrote: I've got a bunch of scratched disc-based games (PS2, Xbox 360) that I'd like to check for errors. Is there any program for Linux that does this? I found and tried dvdisaster, but it only works for CDs, not

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-03 Thread Dale
Andrew Udvare wrote: > On 03/12/2018 17:50, Dale wrote: >> Jack wrote: >> >> I was wondering if the checksums could be checked?  If the OP can find >> the checksum for the DVD as it comes from the factory, then he could >> check what he has against that.  Question is, is that info even >>

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-03 Thread Andrew Udvare
On 03/12/2018 17:50, Dale wrote: > Jack wrote: > > I was wondering if the checksums could be checked?  If the OP can find > the checksum for the DVD as it comes from the factory, then he could > check what he has against that.  Question is, is that info even > available or does it vary over

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-03 Thread Dale
Jack wrote: > On 2018.12.03 11:27, Pouru Lasse wrote: >> I've got a bunch of scratched disc-based games (PS2, Xbox 360) that I'd >> like to check for errors. Is there any program for Linux that does this? >> I found and tried dvdisaster, but it only works for CDs, not >> DVDs. Everything else

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-03 Thread Jack
On 2018.12.03 11:27, Pouru Lasse wrote: I've got a bunch of scratched disc-based games (PS2, Xbox 360) that I'd like to check for errors. Is there any program for Linux that does this? I found and tried dvdisaster, but it only works for CDs, not DVDs. Everything else seems to be

Re: [gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-03 Thread Francesco Turco
On Mon, Dec 3, 2018, at 17:27, Pouru Lasse wrote: > I've got a bunch of scratched disc-based games (PS2, Xbox 360) that I'd > like to check for errors. Is there any program for Linux that does this? > I found and tried dvdisaster, but it only works for CDs, not > DVDs. Everything else seems to be

[gentoo-user] Software for checking CDs and DVDs for errors?

2018-12-03 Thread Pouru Lasse
I've got a bunch of scratched disc-based games (PS2, Xbox 360) that I'd like to check for errors. Is there any program for Linux that does this? I found and tried dvdisaster, but it only works for CDs, not DVDs. Everything else seems to be Windows-only. - Lasse