Re: [Wg-test-framework] linux 3.14.34 failure to detect disks on C600 storage controller

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Dugger, Donald D writes ("RE: [Wg-test-framework] linux 3.14.34 failure to 
detect disks on C600 storage controller"):
> Well, another possibility is that the Debian 3.16 kernel has something 
> builtin with `=y' that is needed, that wouldn't show up in the modules list.

That might be the case.

> Another thing you can try is to take the config file from the Debian 3.16 
> kernel and use it as the base to make your 3.14 kernel.  Just copy that 
> config file to `.config', do a `make oldconfig', answer any questions that 
> come up, build and see if that kernel works.  3.16 isn't that far away from 
> 3.14 so there hopefully aren't any major changes in the configs between the 
> two.

I know how to build kernels, thank you.

I could try this, but even if it fingers the configuration it wouldn't
tell us which specific option works around what I think is probably
driver bug.

I am already chasing down and trying to work around several other
driver and kernel bugs affecting various machines in the new test
setup.  For example, the swiotlb-related problem with Broadcom's tg3
driver.  Broadcom have been providing engineering support for that.

Can you please get in touch with someone technical at Intel and have
them help investigate ?

Obviously it is in Intel's interests to get this problem fixed, not
just in general (since it's a driver for Intel hardware) but
specifically in the context of osstest and Xen: these machines are not
going into the test pool until we can get them to work, and as a
result we are not testing Xen on them.

Thanks,
Ian.

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