Mailinglist Archive: packet-writing (59 mails)
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Re: [packet-writing] Re: [release] packet-0.0.2c
- From: <adam@xxxxxxxxxxxx>
- Date: Sat, 9 Sep 2000 15:20:23 +0000 (UTC)
- Message-id: <Pine.GSO.4.21.0009091111140.29085-100000@xxxxxxxxxxxxxxxxxxx>
> > SCSI-over-IDE
> > (EIDE CDRW drive)
> > SMP
> Ok, I test on raw atapi and scsi on my test machine. Also SMP.
Hmm speaking of this, do I still need to use ide-scsi in order to
use packet writing? AFAIK I do need to use it for cdrwite.
> > > All the data or some of it? Could I get you to find out where the
> > > corruption is taking place -- try doing a cmp of some corrupted files
> > > and the originals, to see where the offset is.
> >
> > [root@pepsi cd2]# cmp ~adam/ncd19r.tar.gz ncd19r.tar.gz
> > /home/adam/ncd19r.tar.gz ncd19r.tar.gz differ: char 956417, line 2467
>
> Same deal, corruption starts at the beginning of a new 2k sized buffer.
> Could you read the first 2048 bytes from the CD-ROM file and check that
> this buffer is zero? It is here, which means that a gather-block wasn't
> brought properly into memory before being written out.
I'm not sure I get it. This or other way here are bytes from beginning
of file.
[root@pepsi cd2]# od -t x1 ncd19r.tar.gz | head -75
0000000 1f 8b 08 08 b8 0b c4 38 00 03 6e 63 64 31 39 72
0000020 2e 74 61 72 00 e4 bd 7f 7c 5c c5 75 37 7c f6 ee
0000040 ae b4 b6 04 ba 92 d7 62 31 c2 ec 6a af 56 6b 23
[...]
0002000 f1 8e df fd fc 6d bf ad cb 50 d3 2d de d0 ec 13
0002020 bc ae 34 ed 76 ff d2 db f0 ef c3 a4 e4 5f 6f e0
0002040 6c 3b 4c 55 d4 13 8f b4 7a ce ca 71 ff e9 21 db
0002060 69 f5 66 d1 10 3b d2 ea fd ce f6 e6 8d 88 53 e9
And using tar shows that beginning of file is ok as well.
[root@pepsi cd2]# tar ztvf ncd19r.tar.gz
drwxr-xr-x mrbill/mrbill 0 2000-03-06 14:48:55 ./
-rw-r--r-- mrbill/mrbill 2435664 1999-10-31 14:58:00 Xncd19r
gzip: stdin: invalid compressed data--format violated
tar: Child returned status 1
tar: Error exit delayed from previous errors
btw: is the 450mb of 650mb the penlaty I pay for using UDF over ISO9600
and for using RW instead of RO?
--
Adam
http://www.eax.com The Supreme Headquarters of the 32 bit registers
> > (EIDE CDRW drive)
> > SMP
> Ok, I test on raw atapi and scsi on my test machine. Also SMP.
Hmm speaking of this, do I still need to use ide-scsi in order to
use packet writing? AFAIK I do need to use it for cdrwite.
> > > All the data or some of it? Could I get you to find out where the
> > > corruption is taking place -- try doing a cmp of some corrupted files
> > > and the originals, to see where the offset is.
> >
> > [root@pepsi cd2]# cmp ~adam/ncd19r.tar.gz ncd19r.tar.gz
> > /home/adam/ncd19r.tar.gz ncd19r.tar.gz differ: char 956417, line 2467
>
> Same deal, corruption starts at the beginning of a new 2k sized buffer.
> Could you read the first 2048 bytes from the CD-ROM file and check that
> this buffer is zero? It is here, which means that a gather-block wasn't
> brought properly into memory before being written out.
I'm not sure I get it. This or other way here are bytes from beginning
of file.
[root@pepsi cd2]# od -t x1 ncd19r.tar.gz | head -75
0000000 1f 8b 08 08 b8 0b c4 38 00 03 6e 63 64 31 39 72
0000020 2e 74 61 72 00 e4 bd 7f 7c 5c c5 75 37 7c f6 ee
0000040 ae b4 b6 04 ba 92 d7 62 31 c2 ec 6a af 56 6b 23
[...]
0002000 f1 8e df fd fc 6d bf ad cb 50 d3 2d de d0 ec 13
0002020 bc ae 34 ed 76 ff d2 db f0 ef c3 a4 e4 5f 6f e0
0002040 6c 3b 4c 55 d4 13 8f b4 7a ce ca 71 ff e9 21 db
0002060 69 f5 66 d1 10 3b d2 ea fd ce f6 e6 8d 88 53 e9
And using tar shows that beginning of file is ok as well.
[root@pepsi cd2]# tar ztvf ncd19r.tar.gz
drwxr-xr-x mrbill/mrbill 0 2000-03-06 14:48:55 ./
-rw-r--r-- mrbill/mrbill 2435664 1999-10-31 14:58:00 Xncd19r
gzip: stdin: invalid compressed data--format violated
tar: Child returned status 1
tar: Error exit delayed from previous errors
btw: is the 450mb of 650mb the penlaty I pay for using UDF over ISO9600
and for using RW instead of RO?
--
Adam
http://www.eax.com The Supreme Headquarters of the 32 bit registers
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