On Sunday 08 May 2005 16:13, Tom wrote:
Hi, Tom.
I posted here the day the torrents were available, 1 ->
checked, but the CD6 iso failed. So I got the separate torrent for
CD5-6, and that CD6 iso checked.
I took the Silver 5-6 torrent, and it's that one that is failing. Is the one you got different?
Yeah, for me it was just the opposite. The CD6 iso as part of the Silver 1->6 set failed md5sum. But the CD6 iso from the Silver 5-6 torrent passed.
An all the time, I thought sharing by torrent was supposed to check as the d/l progresses (the tracker ?)
If you still have problems, I'd be interested in the hardware
you're using, uname -r,
uname -r 2.6.8.1-24W4L
OK, it occurs to me now I can't remember back to 2.6.8. Mea culpa. I vaguely remember Linus mandated increased security startin with 2.6.9 Actually he suggested it for all 2.6, but it didn't happen till late 2.6.8 or 2.6.9 Many distros, not just Mandrake injected work arounds... but no longer. Be assurred that 2.6.9 or later Mandriva kernels' comply to no more user space access in areas like cd burning (the rr-scheduler and setpriority). Actually CAE probly knows the particulars better than me. I sort'a think LSB was involved to coerce kernel.org dictates. I have no idea if any GUI frontends reflect this change. You know I don't use 'em ;)
the result of an -atip on the media being used,
I don't understand that one, Tom. I presume -atip is a switch - on which command?
We've had this conversation before ;) There's _many_ more brand names for media, than are are manufacturers. It's not unusal in a 100 spindle from one "brand", to find the disks come from different vendors. For example, I've been usin a lot of "Memorex" blanks lately. The actual manufacturers (Memorex doesn't make any) have been Ritek, CMC Magnetics, Prodisc, and even a few from a non-Orange Forum Indian outfit. I forget the name. Non-Orange means they don't pay to subscribe an be compliant to CD industry specs. It also produced one'a my rare coasters, failed to fixate properly.
-atip is a cdrecord switch to find out who really made the media. With a blank in the burner (as an example, this is from a "Memorex");
tom # cdrecord dev=ATA:1,1,0 -atip
Cdrecord-Clone 2.01.01a01-dvd (i686-pc-linux-gnu) Copyright (C) 1995-2004 J�rg Schilling
<< big snip>>
ATIP info from disk: Indicated writing power: 4 Is not unrestricted Is not erasable Disk sub type: Medium Type A, low Beta category (A-) (2) ATIP start of lead in: -12508 (97:15/17) ATIP start of lead out: 359845 (79:59/70) Disk type: Short strategy type (Phthalocyanine or similar) Manuf. index: 22 Manufacturer: Ritek Co. ^^^^^^^^^^^^^^^^^^^^^^^
That was one'a the last few disks on a 100/spindle. One sampled from about the first twenty on the spindle reported that CMC Magnetics made it. I burn about 100 cd's a month.
Since you're in the UK, you'll probly see different manufacturers than I do. My point is you'll need to gain some trust in which media is good based on your experience, an if you can depend on a certain "brand name" to deliver media from acceptable manufacturers.
I use Memorex from Wal*Mart, because other than slippin me a few of those non-orange Indian disks, I can buy them very cheaply right down the street from where I live. At the same time, I know Memorex doesn't make 'em.
OTOH, I can also buy no name generic CDr's locally. Most often they're made by the same vendors as the "brand name" discs. The same damn quality at half the price! Well, except for the label side is thin an fragile, susceptible to moisture. An it's the label side were the actual recordin is done.
I'm convinced that the only thing "brand names" have to sell, is that they spray coat their brand logo over generic disks from several vendors. The result is the disks are more durable over time an handling, an might improve the reflectability.
and if a simple 'cdrecord -v -eject speed=4 dev=ATA:X,Y,Z -dao xxxxxx.iso', still produces an uncheckable md5sum CDr.
OK - I'll try that one last test, but don't I somewhere have to tell it the device name?
Anne
Run 'cdrecord dev=ATA -scanbus' an that'll give you the scsibus numbers to substitute for X,Y,Z Example:
tom # cdrecord dev=ATA -scanbus
Cdrecord-Clone 2.01.01a01-dvd (i686-pc-linux-gnu) Copyright (C) 1995-2004 J�rg Schilling
<< 'nother big snip >>
#########################################################################################
#
# Warning: Using ATAPI via /dev/hd* interface. Use dev=ATA:X,Y,Z or dev=/dev/hdX
#
#########################################################################################
Linux sg driver version: 3.5.27
Using libscg version 'schily-0.8'.
scsibus1:
1,0,0 100) 'TEAC ' 'DV-516E ' '3.01' Removable CD-ROM
1,1,0 101) 'PLEXTOR ' 'CD-R PREMIUM ' '1.05' Removable CD-ROM
...................
So my X,Y,Z is 1,1,0 for my Plextor. From reading, an in my experience it's better to use dev=ATA:X,Y,Z than to use the pointer to it, dev=/dev/hdX when burning. I only use /dev/hdX when checking the md5sum in my DVDrom (cheap teac). When the md5sum checks in that cdrom, an it always does, I'm confident enough to send'em overseas to some friends that duplicate 'em an share.
BTW, you should also check to see if your burner has a bios update available. My Plex was 1.02. Flash from a lvl 3 prompt updated it to 1.05 Current firmware can also be a factor in burning an reading, hence checkin md5sums also.
--
Tom Brinkman Corpus Christi, Texas
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