From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Thu, 10 Sep 2015 14:01:34 +0100 Subject: [PATCH] arm64: Add support for hardware updates of the access and dirty pte bits In-Reply-To: <55F06A87.3000204@citrix.com> References: <1436545468-1549-1-git-send-email-catalin.marinas@arm.com> <55F06A87.3000204@citrix.com> Message-ID: <55F17F2E.7080808@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Julien, On 09/09/15 18:21, Julien Grall wrote: > Hi Catalin, > > I've tried to boot the latest linus/master (a794b4f) which include this > patch as DOM0 on xgene. This is failing late in the boot with > a BUG (see trace below). > > The bisector pointed me to this patch. When I disable > CONFIG_ARM64_HW_AFDBM, I'm able to boot the kernel and use it > without any issue. > > Although, I'm not sure to understand how this patch could > possibly break the filesystem subsystem. > > Do you have any insight for debugging this problem? I've just given it a good shake on the Mustang we have here, and I'm not experiencing anything like this. Any chance you could print out the ID_AA64MMFR1_EL1 register value, just in case? Thanks, M. -- Jazz is not dead. It just smells funny...