[Bug 176931] New: ata failed to IDENTIFY, suspected regression

[Bug 176931] New: ata failed to IDENTIFY, suspected regression

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=176931

            Bug ID: 176931
           Summary: ata failed to IDENTIFY, suspected regression
           Product: IO/Storage
           Version: 2.5
    Kernel Version: 4.8
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: low
          Priority: P1
         Component: IDE
          Assignee: io_ide@kernel-bugs.osdl.org
          Reporter: be11f157cd19c4a2ba1e9c70a38b1a74@protonmail.com
        Regression: No

I have a old hard drive that shows up as this in lspci:

IDE Interface: NVIDIA Corporation MCP78S [GeForce 8200] SATA Controller
(non-AHCI mode) (rev a1)

When I try to boot the machine with kernel 4.8, it will tell me that it cannot
mount /dev/sda3 on root, and that the available choices only include sr0. The
output before that says something along the lines of

ata1: failed to IDENTIFY

However, the exact same kernel .config(using default options when `make`
prompts) with kernel 4.7.6 works fine.

I can offer SSH(root) access and type commands manually for you if that
breaks(but I can only type manually during EST non-business hours). SSH is set
to autostart if you need to reboot the machine. I have a live CD on hand. The
machine has no important data on it so you don't have to worry about breaking
something. Send me a public key if you're interested.

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[Bug 176931] ata failed to IDENTIFY, suspected regression

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=176931

be11f157cd19c4a2ba1e9c70a38b1a74@protonmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Regression|No                          |Yes

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[Bug 176931] ata failed to IDENTIFY, suspected regression

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=176931

Tejun Heo <tj@kernel.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tj@kernel.org

--- Comment #1 from Tejun Heo <tj@kernel.org> ---
Does booting with "irqpoll" boot option change anything?

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[Bug 176931] ata failed to IDENTIFY, suspected regression

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=176931

be11f157cd19c4a2ba1e9c70a38b1a74@protonmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |OBSOLETE

--- Comment #2 from be11f157cd19c4a2ba1e9c70a38b1a74@protonmail.com ---
Thank you for your help, it seems that it works with or without irqpoll on
linux 4.8.1. I'm not sure if 4.8 still matters anymore. Tell me if you still
want to test on 4.8

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