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Message-ID: <4892CF2B.9030309@alcatel-lucent.com>
Date:	Fri, 01 Aug 2008 16:54:03 +0800
From:	gshan <gshan@...atel-lucent.com>
To:	Tejun Heo <tj@...nel.org>
CC:	Alan Cox <alan@...rguk.ukuu.org.uk>, Jeff Garzik <jeff@...zik.org>,
	linux-kernel@...r.kernel.org,
	Linux IDE mailing list <linux-ide@...r.kernel.org>
Subject: Re: PIIX4: DMA timeout issue


>> Alan/Jeff, I tried to install ATA driver on PIIX4. After fixing IRQ number
>> to 143 for primary and secondary channel. I got following output and
>> it seems the driver has been loaded sucessfully. However, I couldn't
>> see any information from /proc/devices. Do you have any ideas?
>>     
>
> You need the SCSI disk driver - sd_mod.ko.
>
>   
Unfortunately, the timeout issue still happened on ATA driver as IDE.

Command (m for help): p

Disk /dev/sda: 60.0 GB, 60011642880 bytes
255 heads, 63 sectors/track, 7296 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x4892c004

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1          17      136521   83  Linux
/dev/sda4              18        7296    58468567+   5  Extended
/dev/sda5              18        7296    58468536   83  Linux

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
SCSI device sda: 117210240 512-byte hdwr sectors (60012 MB)
sda: Write Protect is off
SCSI device sda: write cache: enabled, read cache: enabled, doesn't 
support DPO or FUA
 sda: sda1 sda4 < sda5 >
Syncing disks.
/ $ mkfs.ext3 -N 655360 /dev/sda5
mke2fs 1.40 (29-Jun-2007)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
657984 inodes, 14617134 blocks
730856 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=0
447 block groups
32768 blocks per group, 32768 fragments per group
1472 inodes per group
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 
2654208,
        4096000, 7962624, 11239424

Writing inode tables: done                           
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 25 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
/ $ mkdir /aaa
/ $ ifconfig rep0 192.168.253.27
mv643xx_eth_if_start: register PHY interrupt rep0 port=1 sw=1 swport=2
/ $ mount -o nolock 192.168.253.26:/home1 /aaa
/ $ cd /disk_root/
/disk_root $ ls
/disk_root $ cd /
/ $ mount /dev/sda5 /disk_root/
kjournald starting.  Commit interval 5 seconds
EXT3 FS on sda5, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
/ $ cd /disk_root/
/disk_root $ tar -zxf /aaa/target_7xx_cge5.2008-07-10.tgz

ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd 35/00:00:18:ef:28/00:04:01:00:00/e0 tag 0 cdb 0x0 data 
524288 out
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2: soft resetting port
ata2.00: configured for UDMA/33
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd 35/00:00:18:ef:28/00:04:01:00:00/e0 tag 0 cdb 0x0 data 
524288 out
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2: soft resetting port
ata2.00: configured for UDMA/33
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd 35/00:00:18:ef:28/00:04:01:00:00/e0 tag 0 cdb 0x0 data 
524288 out
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2: soft resetting port
ata2.00: configured for UDMA/33
ata2: EH complete
ata2.00: limiting speed to UDMA/25:PIO4
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd 35/00:00:18:ef:28/00:04:01:00:00/e0 tag 0 cdb 0x0 data 
524288 out
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2: soft resetting port
ata2.00: configured for UDMA/25
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd 35/00:00:18:ef:28/00:04:01:00:00/e0 tag 0 cdb 0x0 data 
524288 out
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2: soft resetting port
ata2.00: configured for UDMA/25
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd 35/00:00:18:ef:28/00:04:01:00:00/e0 tag 0 cdb 0x0 data 
524288 out
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2: soft resetting port
ata2.00: configured for UDMA/25
sd 1:0:0:0: SCSI error: return code = 0x08000002
sda: Current [descriptor]: sense key=0xb
    ASC=0x0 ASCQ=0x0
Descriptor sense data with sense descriptors (in hex):
        72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
        00 00 00 00
end_request: I/O error, dev sda, sector 19459864
Buffer I/O error on device sda5, logical block 2398337
lost page write due to I/O error on sda5
Buffer I/O error on device sda5, logical block 2398338
lost page write due to I/O error on sda5
Buffer I/O error on device sda5, logical block 2398339
lost page write due to I/O error on sda5
Buffer I/O error on device sda5, logical block 2398340
lost page write due to I/O error on sda5
Buffer I/O error on device sda5, logical block 2398341
lost page write due to I/O error on sda5
Buffer I/O error on device sda5, logical block 2398342
lost page write due to I/O error on sda5
Buffer I/O error on device sda5, logical block 2398343
lost page write due to I/O error on sda5
Buffer I/O error on device sda5, logical block 2398344
lost page write due to I/O error on sda5
Buffer I/O error on device sda5, logical block 2398345
lost page write due to I/O error on sda5
Buffer I/O error on device sda5, logical block 2398346
lost page write due to I/O error on sda5
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd ca/00:f8:18:f3:28/00:00:00:00:00/e1 tag 0 cdb 0x0 data 
126976 out
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2: soft resetting port
ata2.00: configured for UDMA/25
ata2: EH complete
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd ca/00:f8:18:f3:28/00:00:00:00:00/e1 tag 0 cdb 0x0 data 
126976 out
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2: soft resetting port
ata2.00: configured for UDMA/25
ata2: EH complete

Gavin
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