I did test the kernel Joseph said:
linux-image-4.7.0-040700rc1-lowlatency_4.7.0-040700rc1.201606100619_amd64.deb
Bug is still there.
I did reset the PC as soon as kernel take too long to boot and began to inform
that NCQ command was failing, with similar errors than with xenial kernel, such
as:
equipment kernel: [ 64.970612] ata4.00: failed command: READ FPDMA QUEUED
equipment kernel: [ 64.970638] ata4.00: status: { DRDY }
equipment kernel: [ 64.994812] ata4: hard resetting link
After reset and reboot with libata.force=noncq nothing was logged to syslog. I
didn't want to complete a fifteen minutes boot with a failing upstream kernel
oriented to yakkety in my xenial installation, fearing it could break some
bytes. I already spent too much time to install and configure xenial.
I hope this helps anyway.
BTW can't you just check if something has been done with upstream kernels to
correct this behaviour?
Thanks for your job.
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https://bugs.launchpad.net/bugs/1591293
Title:
kernel fails to boot from SSD on non AHCI chipset (NCQ unsupported)
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