Re: 5.11 regression: "ia64: add support for TIF_NOTIFY_SIGNAL" breaks ia64 boot

John Paul Adrian Glaubitz
2021-03-17T17:42:06Z

Hi!

On 2/23/21 8:27 PM, Sergei Trofimovich wrote:
>>> Just gave it a try and it still doesn't work.
>>
>> Maybe your other two patches to fix the strace issues are required as well?
>
> I'd say it's very unlikely they have any effect here. AFAIU they only amend
> ptrace() behaviour called from userspace. Failure to boot so early is probably
> way before any userspace.
>
>> Or do you happen to have more patches in the Gentoo kernel?
>
> Nope. It was a vanilla 5.11 release with 3 patches: 1 signal fix and
> 2 ptrace() patches.
>
> Here are dmesg and config from my machine with successfull boot:
> https://dev.gentoo.org/~slyfox/configs/guppy-dmesg-5.11
> https://dev.gentoo.org/~slyfox/configs/guppy-config-5.11

Just gave it a try using this kernel configuration. It's never loading the hpsa
module for me which I find really strange. The module isn't even showing up in
the kernel message buffer.

>> [ 0.036000] ERROR: Invalid distance value range
>> [ 0.036000]
>> [ 0.036000] 00 00 00 00 00 00
>
> I don't see this string in the 5.11 kernel source. But
> https://lore.kernel.org/lkml/161356785681.20312.13022545187499987936.tip-bot2@tip-bot2/T/
> hints it's might be something very new and you are in the
> middle of 5.12-rc1?

I'm seeing this using your exact kernel configuration.

Adrian

--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - glaubitz@debian.org
`. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913