Re: 2.6.20-rc6 libata PATA ATAPI CDROM is not working

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Hello, Joel.

Joel Soete wrote:
A small update:
your patch also works against 2.6.20

Glad to hear that.

but seems that open the door to numerous other pb:
1/ pb to burn cd:
# md5sum cd060213.iso
6a1248783a21722816b972aa9bae9d5e  cd060213.iso

# ll cd060213.iso
-rwxr-xr-x 1 root root 3213312 Feb 13  2006 cd060213.iso

# dd if=/dev/sr0 bs=1 count=3213312 | md5sum
dd: reading `/dev/sr0': Input/output error
0337e9846d17779945c5c252d4f897f0  -
3129344+0 records in
3129344+0 records out
3129344 bytes (3.1 MB) copied, 36.6963 seconds, 85.3 kB/s

eventhought cdrecord seems to be successfull???

Hmm... 82K difference. Can you burn an iso and md5sum the files contained in the image and burned cd?

2/ (but that should be much more related to scsi api) sdcXX > sdc15 doesn't works ;-(
# sfdisk -l /dev/sdc

Disk /dev/sdc: 1826 cylinders, 255 heads, 63 sectors/track
Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0

   Device Boot Start     End   #cyls    #blocks   Id  System
/dev/sdc1   *      0+    195     196-   1574338+   b  W95 FAT32
/dev/sdc2        196    1825    1630   13092975    5  Extended
/dev/sdc3          0       -       0          0    0  Empty
/dev/sdc4          0       -       0          0    0  Empty
/dev/sdc5   *    196+    197       2-     16033+  83  Linux
/dev/sdc6   *    198+    199       2-     16033+  83  Linux
/dev/sdc7        200+    201       2-     16033+  83  Linux
/dev/sdc8        202+    217      16-    128488+  82  Linux swap / Solaris
/dev/sdc9        218+    478     261-   2096451   83  Linux
/dev/sdc10       479+    486       8-     64228+  83  Linux
/dev/sdc11       487+    488       2-     16033+  83  Linux
/dev/sdc12       489+    504      16-    128488+  83  Linux
/dev/sdc13       505+    618     114-    915673+  83  Linux
/dev/sdc14       619+    620       2-     16033+  83  Linux
/dev/sdc15       621+    636      16-    128488+  83  Linux
/dev/sdc16       637+    644       8-     64228+  83  Linux
/dev/sdc17       645+    646       2-     16033+  83  Linux
/dev/sdc18       647+    654       8-     64228+  83  Linux
/dev/sdc19       655+    656       2-     16033+  83  Linux
/dev/sdc20       657+    773     117-    939771   83  Linux
/dev/sdc21       774+    789      16-    128488+  83  Linux
/dev/sdc22       790+    880      91-    730926   83  Linux
/dev/sdc23       881+   1533     653-   5245191   83  Linux
/dev/sdc24      1795    1825      31     249007+  83  Linux

Whee, you have 24 partitions? Due to the way SCSI block device numbers are laid out, SCSI supports only upto 15 partitions per device.

--
tejun
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