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Old 03-12-2008, 06:16 PM   #1
Registered: Aug 2007
Location: Hamilton, OH
Distribution: fedora 8
Posts: 31

Rep: Reputation: 15
Kernel ata2.00 failed to identify (io error, err_mask=0x4)

Hello. I updated to the latest kernel with the package updater ( and am getting the following on boot:
ata2: Sata link up 3.0 Gbps (SStatus 123 SControl 300)
ata 200: failed to identify (io error, err_mask=0x4)
ata2: failed to recover some devices retrying in 5 secs
"booting has failed"
I guess I should tell you that my motherboard is an msi k9a platinum. It has 4 sata connections. The bios is set on native IDE mode which didn't work. If I change it to legacy IDE mode, it works fine. AHCI mode doesn't work either. Windows usually keeps rebooting if I change this setting (at least it has in the past). I will try to boot windows and then update this shortly... Okay, the computer posts fine if you save changes and exit from the bios, but when you boot into fedora, restart it then it won't post, it says 4th ide master error press F1 to resume, I hit F1 and I see a blank screen with a blinking cursor (No grub menu). In other words the computer won't post in legacy IDE, I need native IDE to work.
Could someone please tell me how to fix this if it is a bug?

Last edited by; 03-13-2008 at 06:36 PM. Reason: updated information
Old 03-14-2008, 11:13 AM   #2
Registered: Mar 2007
Distribution: RHEL, Fedora, Open Suse
Posts: 151

Rep: Reputation: 31
From the initial check it looks like just a warning :

if (ata_msg_warn(ap))
ata_dev_printk(dev, KERN_WARNING, "failed to IDENTIFY "
"(%s, err_mask=0x%x)\n", reason, err_mask);
return rc;
As you mentioned that this is stopping the system from boot..I am also confused.
Old 03-21-2008, 12:34 AM   #3
Registered: Aug 2007
Location: Hamilton, OH
Distribution: fedora 8
Posts: 31

Original Poster
Rep: Reputation: 15
They need to do something about it, because the next kernel did the same thing. I think it was


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