Re: Regression in suspend-to-ram (TPM related) with 5.1-rc1 (BISECTED)

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On Mon, Apr 08, 2019 at 07:53:34AM +0200, Martin Kepplinger wrote:
> On 21.03.19 14:41, Jarkko Sakkinen wrote:
> > On Tue, Mar 19, 2019 at 04:03:37PM -0700, Paul Zimmerman wrote:
> >> So I bisected this down to:
> >>
> >> # first bad commit: [a3fbfae82b4cb3ff9928e29f34c64d0507cad874] tpm:
> >> take TPM chip power gating out of tpm_transmit()
> >>
> >> but this doesn't revert cleanly on Linus' HEAD. Anyone have an idea what
> >> could be wrong here?
> > 
> > Sorry I've been in flu for the early week. I spotted the bug
> > immediately.  When I did these patches I did not have TPM 1.x at my
> > hand. I used fTPM 2.0 and dTPM 2.0. Stefan did TPM 1.x testing but I
> > probably forgot to ask him to try out suspend.
> > 
> > Anyway, the bug is obvious and I'll send you a patch to try out.
> > Thanks a lot for bisecting this!
> > 
> > /Jarkko
> > 
> 
> 
> Hi,
> 
> Any news on this? It seems not to be fixed in -rc4. I'd happily test a
> patch too.
> 
> thanks a lot,
> 
>                             martin

I sent a PR to James last week with the fix. Probably has not landed
yet.

https://lore.kernel.org/linux-integrity/20190329115544.GA27351@xxxxxxxxxxxxxxx/

/Jarkko



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