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From: Joerg Roedel <joro@8bytes.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Will Deacon <will@kernel.org>,
	linux-kernel@vger.kernel.org, iommu@lists.linux.dev
Subject: Re: [git pull] IOMMU Updates for Linux v5.20
Date: Sat, 6 Aug 2022 22:28:55 +0200	[thread overview]
Message-ID: <Yu7PBwJy8LbI/aTs@8bytes.org> (raw)
In-Reply-To: <CAHk-=whs5CR5FRZP_HUksrr9wX6=Rai-S_XTUFJN7jwB5wKN-Q@mail.gmail.com>

On Sat, Aug 06, 2022 at 12:39:54PM -0700, Linus Torvalds wrote:
> I'm currently bisecting a boot failure on my desktop, and it's gone
> into the iommu code.
> 
> I'm assuming it's the 64-bit thing, but I'll bisect further to make sure.
> 
> If it is, it will be reverted as hopelessly optimistic.

A faster way to track down whether this change causes the boot failures
on your machine is to boot with iommu.forcedac=0 to disable the new
behavior and see if the issue goes away.

Please let me know if I can help with anything.

Regards,

	Joerg

  reply	other threads:[~2022-08-06 20:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-05  9:38 [git pull] IOMMU Updates for Linux v5.20 Joerg Roedel
2022-08-06 18:19 ` pr-tracker-bot
2022-08-06 19:39 ` Linus Torvalds
2022-08-06 20:28   ` Joerg Roedel [this message]
2022-08-06 20:31   ` Linus Torvalds

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