From: Jerry Snitselaar <jsnitsel@redhat.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Jarkko Sakkinen <jarkko@kernel.org>,
Jani Nikula <jani.nikula@linux.intel.com>,
linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org,
Jason Gunthorpe <jgg@ziepe.ca>, "Peter Huewe" <peterhuewe@gmx.de>,
Matthew Garrett <mjg59@google.com>,
"Hans de Goede" <hdegoede@redhat.com>
Subject: Re: [PATCH v2] tpm_tis: Disable interrupts if interrupt storm detected
Date: Fri, 04 Dec 2020 14:51:05 -0700 [thread overview]
Message-ID: <87czzpw88m.fsf@redhat.com> (raw)
In-Reply-To: <8a7d2fda891e45b098b603064d45dd7d53898fd4.camel@HansenPartnership.com>
James Bottomley @ 2020-12-03 14:05 MST:
> On Thu, 2020-12-03 at 13:14 -0700, Jerry Snitselaar wrote:
>> Jerry Snitselaar @ 2020-12-02 23:11 MST:
> [...]
>> > The interrupt storm detection code works on the T490s. I'm not sure
>> > what is going on with the L490. I will see if I can get access to
>> > one.
>> >
>> > Jerry
>>
>> Lenovo verified that the L490 hangs.
>
> Just to confirm, that's this system:
>
> https://www.lenovo.com/us/en/laptops/thinkpad/thinkpad-l/ThinkPad-L490/p/22TP2TBL490
>
> We could ask if lenovo will give us one, but if not we could pull a
> Jens. [the backstory is that when Jens was doing queueing in the block
> layer, there were lots of SATA devices that didn't work quite right but
> you couldn't tell unless you actually tried them out. Getting
> manufacturers to send samples is rather arduous, so he took to ordering
> them online, testing them out, and then returning them for a full
> refund within the allowed window]
>
> It looks like Lenovo has a nice christmas returns policy:
>
> https://www.lenovo.com/us/en/shopping-faq/#returns
>
> James
Yes, that is the one. I'm seeing if we have any located somewhere, or if
Lenovo will loan me one. I think for the time being the patch that
disabled interrupts for the T490s could be changed to it for the L490
instead. I'll post a v3 of my current patchset. It would probably make
sense for it to go in with your patches when they land.
next prev parent reply other threads:[~2020-12-04 21:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 23:23 [PATCH] tpm_tis: Disable interrupts if interrupt storm detected Jerry Snitselaar
2020-12-01 2:58 ` [PATCH v2] " Jerry Snitselaar
2020-12-01 3:26 ` Jerry Snitselaar
2020-12-01 19:59 ` Jerry Snitselaar
2020-12-02 16:49 ` Jarkko Sakkinen
2020-12-03 0:02 ` Jerry Snitselaar
2020-12-03 6:11 ` Jerry Snitselaar
2020-12-03 20:14 ` Jerry Snitselaar
2020-12-03 21:05 ` James Bottomley
2020-12-04 21:51 ` Jerry Snitselaar [this message]
2020-12-05 0:06 ` James Bottomley
2020-12-04 1:59 ` Jarkko Sakkinen
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