From: Andreas Schwab <schwab@suse.de>
To: Robin Murphy <robin.murphy@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Subject: Re: 5.2: arm-smmu e0600000.smmu: Unexpected global fault, this could be serious
Date: Wed, 07 Aug 2019 13:49:10 +0200 [thread overview]
Message-ID: <mvma7cl2o21.fsf@suse.de> (raw)
In-Reply-To: <5036fcb8-131e-9ffe-4bfe-dc8cbae71bc4@arm.com> (Robin Murphy's message of "Tue, 6 Aug 2019 13:17:12 +0100")
On Aug 06 2019, Robin Murphy <robin.murphy@arm.com> wrote:
> The way the legacy binding is handled turns out to interact badly with the
> disable_bypass option, so CONFIG_ARM_SMMU_DISABLE_BYPASS_BY_DEFAULT is
> presumably now tripping you up. The immediate workaround would be to turn
> that off and/or boot with "arm-smmu.disable_bypass=0" to ensure it's
> overridden.
I can confirm that booting with arm-smmu.disable_bypass=0 works.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
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prev parent reply other threads:[~2019-08-07 11:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-06 11:28 5.2: arm-smmu e0600000.smmu: Unexpected global fault, this could be serious Andreas Schwab
2019-08-06 12:17 ` Robin Murphy
2019-08-06 12:33 ` Andreas Schwab
2019-08-07 11:49 ` Andreas Schwab [this message]
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