F22: rebooting to emergency mode

[jd1008]

On 07/01/2015 08:45 AM, Craig Goodyear wrote:
> I have done a fresh install of Fedora 22 on the same computer 4 times. 
> Each time, after using the system from 1 day to 3 days and having 
> successfully rebooted several times, a reboot results in being started 
> in emergency mode. This computer was running Fedora 21 since its 
> release without any problems. I am using an ASUS P9X79 Deluxe 
> motherboard.
>
> At the emergency mode console the following is displayed in yellow:
>
> Ignoring BGRT: invalid status 0 (expected 1)
> ata16.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
> ata16.00: irq_stat 0x40000001
> ata16.00: cmd a0/01:00:00:00:01/00:00:00:00:00/a0 tag 1 dma 16640 in
> Inquiry 12 01 00 00 ff 00res 00/00:00:00:00:00/00:00:00:00:00/00 Emask 
> 0x3 (HSM violation)
>
> Running journalctl -xb has the following lines in red:
>
> Jun 30 14:48:15 mac.localdomain kernel: Ignoring BGRT: invalid status 
> 0 (expected 1)
> Jun 30 14:48:15 mac.localdomain kernel: ata16.00: exception Emask 0x0 
> SAct 0x0 SErr 0x0 action 0x6
> Jun 30 14:48:15 mac.localdomain kernel: ata16.00: irq_stat 0x40000001
> Jun 30 14:48:15 mac.localdomain kernel: ata16.00: cmd 
> a0/01:00:00:00:01/00:00:00:00:00/a0 tag 1 dma 16640 in
> Inquiry 12 01 00 00 ff 00res 00/00:00:00:00:00/00:00:00:00:00/00 Emask 
> 0x3 (HSM violation)
> Jun 30 14:48:32 mac.localdomain kernel: EDAC sbridge: ECC is disabled. 
> Aborting
> Jun 30 14:48:32 mac.localdomain kernel: EDAC sbridge: Couldn't find 
> mci handler
>
> I have tried installing to a new hard disk. I have tried a different 
> video card. I have run fsck on the hard disk after booting a live 
> image. No errors were found. Nothing I have tried has changed the result.
>
> Where do I start in order to determine the cause of this problem?

Some googling showed similar problems since 2010 on ubuntu and rhel 
platforms.
Some were dated 2014.
So, somehow, an old bug has re-incarnated??