ata1: lost interrupt (Status 0x58)

[adi.]

Hi,
I have Ubuntu 10.04 installed on my machine. It takes too much time to boot. When I took a look at dmesg after startup, I found that, it is something to do with the hard disk. I am getting following o/p from dmesg.




--snip--
[ 1.528334] usb 3-1: configuration #1 chosen from 1 choice
[ 21.816019] ata1: lost interrupt (Status 0x58)
[ 21.816045] ata1: drained 1 bytes to clear DRQ.
[ 21.816054] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 21.816061] scsi 0:0:0:0: CDB: Inquiry: 12 00 00 00 60 00
[ 21.816080] ata1.00: cmd a0/01:00:00:60:00/00:00:00:00:00/a0 tag 0 dma 96 in
[ 21.816083] res 40/00:02:00:24:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
[ 21.816088] ata1.00: status: { DRDY }
[ 26.856027] ata1: link is slow to respond, please be patient (ready=0)
[ 30.552028] ata1: soft resetting link
[ 30.732345] ata1.00: configured for UDMA/66
[ 30.733498] ata1: EH complete
[ 51.816019] ata1: lost interrupt (Status 0x58)
[ 51.816044] ata1: drained 1 bytes to clear DRQ.
[ 51.816050] ata1.00: limiting speed to UDMA/44:PIO4
[ 51.816056] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 51.816061] scsi 0:0:0:0: CDB: Inquiry: 12 00 00 00 60 00
[ 51.816079] ata1.00: cmd a0/01:00:00:60:00/00:00:00:00:00/a0 tag 0 dma 96 in
[ 51.816081] res 40/00:02:00:24:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
[ 51.816086] ata1.00: status: { DRDY }
[ 56.856026] ata1: link is slow to respond, please be patient (ready=0)
[ 60.664039] ata1: soft resetting link
[ 60.844344] ata1.00: configured for UDMA/44
[ 60.845500] ata1: EH complete
--snip--



a 20 second delay gets introduced before these "ata1" error messages. it happens 4 times at regular intervals : 21,51,81,111 seconds.
What could be the problem?
I have dual boot on the system with Win XP and it has 5 drives. Is that the cause?
please help!

[dino99]

Interrupt, Emacs errors: that let me think about irq conflicts

check the bios settings about irq preferences, maybe tweak the actual ones. Look hdd settings; ide/ahci/compatible ?

into a terminal, watch the output of:

dmesg | grep irq

other possible reason: how are hdd jump set (master, slave, compatible) and how its plugged (order if several hdds) on the motherboard.

i remember ages ago with an ancient kernel, some users had to add irqpoll before "quiet splash" on the boot line (/etc/default/grub, then sudo update-grub)

[adi.]

Thanks dino99 for the reply, changing bios settings helped me to reduce boot time by 20 sec.

However, I found a solution here:
http://ubuntuforums.org/showthread.php?t=1549579

Now my computer boots in 17 seconds :D