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

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Hello Tejun,

A small update:
your patch also works against 2.6.20

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???

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

# mount /dev/sdc22 /4free
mount: /dev/sdc22 is not a valid block device

# ll /dev/sdc*
brw-rw---- 1 root disk 8, 32 Dec  1  2001 /dev/sdc
brw-rw---- 1 root disk 8, 33 Dec  1  2001 /dev/sdc1
brw-rw---- 1 root disk 8, 42 Dec  1  2001 /dev/sdc10
brw-rw---- 1 root disk 8, 43 Dec  1  2001 /dev/sdc11
brw-rw---- 1 root disk 8, 44 Dec  1  2001 /dev/sdc12
brw-rw---- 1 root disk 8, 45 Dec  1  2001 /dev/sdc13
brw-rw---- 1 root disk 8, 46 Dec  1  2001 /dev/sdc14
brw-rw---- 1 root disk 8, 47 Dec  1  2001 /dev/sdc15
brw-r--r-- 1 root root 8, 48 Feb 13 16:26 /dev/sdc16
brw-r--r-- 1 root root 8, 49 Feb 13 16:26 /dev/sdc17
brw-r--r-- 1 root root 8, 50 Feb 13 16:26 /dev/sdc18
brw-r--r-- 1 root root 8, 51 Feb 13 16:27 /dev/sdc19
brw-rw---- 1 root disk 8, 34 Dec  1  2001 /dev/sdc2
brw-r--r-- 1 root root 8, 52 Feb 13 16:27 /dev/sdc20
brw-r--r-- 1 root root 8, 53 Feb 13 16:27 /dev/sdc21
brw-r--r-- 1 root root 8, 54 Feb 13 16:27 /dev/sdc22
brw-r--r-- 1 root root 8, 55 Feb 13 16:27 /dev/sdc23
brw-r--r-- 1 root root 8, 56 Feb 13 16:27 /dev/sdc24
brw-rw---- 1 root disk 8, 35 Dec  1  2001 /dev/sdc3
brw-rw---- 1 root disk 8, 36 Dec  1  2001 /dev/sdc4
brw-rw---- 1 root disk 8, 37 Dec  1  2001 /dev/sdc5
brw-rw---- 1 root disk 8, 38 Dec  1  2001 /dev/sdc6
brw-rw---- 1 root disk 8, 39 Dec  1  2001 /dev/sdc7
brw-rw---- 1 root disk 8, 40 Dec  1  2001 /dev/sdc8
brw-rw---- 1 root disk 8, 41 Dec  1  2001 /dev/sdc9

# dmesg
[snip]
scsi3 : ata_piix
ata1.00: ATA-4, max UDMA/66, 29336832 sectors: LBA
ata1.00: ata1: dev 0 multi count 16
ata1.00: configured for UDMA/33
scsi4 : ata_piix
ata2.01: ATAPI, max MWDMA1
ata2.01: configured for MWDMA1
scsi 3:0:0:0: Direct-Access     ATA      QUANTUM FIREBALL A03. PQ: 0 ANSI: 5
SCSI device sdc: 29336832 512-byte hdwr sectors (15020 MB)
sdc: Write Protect is off
sdc: Mode Sense: 00 3a 00 00
SCSI device sdc: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
SCSI device sdc: 29336832 512-byte hdwr sectors (15020 MB)
sdc: Write Protect is off
sdc: Mode Sense: 00 3a 00 00
SCSI device sdc: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
 sdc: sdc1 sdc2 < sdc5 sdc6 sdc7 sdc8 sdc9 sdc10 sdc11 sdc12 sdc13 sdc14 sdc15 >
sd 3:0:0:0: Attached scsi disk sdc
sd 3:0:0:0: Attached scsi generic sg2 type 0
[snip]

I will try to have a look later.

Cheers,
	Joel

Joel Soete wrote:


Tejun Heo wrote:
Please test the attached patch over 2.6.20.

Thanks.

It's already too late so quick and dirty rebuild of 2.6.20-git6 (failled before your patch) but now your patch fixe the pb:
[snip]
ata_piix 0000:00:07.1: version 2.00ac7
ata1: PATA max UDMA/33 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x0001f000 irq 14 ata2: PATA max UDMA/33 cmd 0x00010170 ctl 0x00010376 bmdma 0x0001f008 irq 15
scsi3 : ata_piix
ata1.00: ATA-4: QUANTUM FIREBALLlct10 15, A03.0900, max UDMA/66
ata1.00: 29336832 sectors, multi 16: LBA
ata1.00: configured for UDMA/33
scsi4 : ata_piix
ata2.01: ATAPI, max MWDMA1
ata2.01: configured for MWDMA1
scsi 3:0:0:0: Direct-Access ATA QUANTUM FIREBALL A03. PQ: 0 ANSI: 5
SCSI device sdc: 29336832 512-byte hdwr sectors (15020 MB)
sdc: Write Protect is off
sdc: Mode Sense: 00 3a 00 00
SCSI device sdc: write cache: enabled, read cache: enabled, doesn't support DPO or FUA
SCSI device sdc: 29336832 512-byte hdwr sectors (15020 MB)
sdc: Write Protect is off
sdc: Mode Sense: 00 3a 00 00
SCSI device sdc: write cache: enabled, read cache: enabled, doesn't support DPO or FUA sdc: sdc1 sdc2 < sdc5 sdc6 sdc7 sdc8 sdc9 sdc10 sdc11 sdc12 sdc13 sdc14 sdc15 >
sd 3:0:0:0: Attached scsi disk sdc
sd 3:0:0:0: Attached scsi generic sg2 type 0
scsi 4:0:1:0: CD-ROM PHILIPS CDD3610 CD-R/RW 3.09 PQ: 0 ANSI: 5
sr0: scsi3-mmc drive: 6x/6x writer cd/rw xa/form2 cdda tray
Uniform CD-ROM driver Revision: 3.20
sr 4:0:1:0: Attached scsi CD-ROM sr0
sr 4:0:1:0: Attached scsi generic sg3 type 5
[snip]

cool ;-)

Sorry, I will try later against 2.6.20 (i guess it will also fixe the pb) and attempt to burn a cd.
I will advise you asap.

Thanks again,
    Joel


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