From: Tony Lindgren <tony@atomide.com>
To: Lokesh Vutla <a0131933@ti.com>
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>,
Enric Balletbo Serra <eballetbo@gmail.com>,
"Dr. H. Nikolaus Schaller" <hns@goldelico.com>,
Grazvydas Ignotas <notasas@gmail.com>,
Benoit Cousson <bcousson@baylibre.com>,
Javier Martinez Canillas <javier@dowhile0.org>,
linux-omap@vger.kernel.org,
Robert Nelson <robertcnelson@gmail.com>,
Marek Belisko <marek@goldelico.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: OMAP2+: Fix oops with LPAE and more than 2GB of memory
Date: Wed, 14 Oct 2015 09:02:45 -0700 [thread overview]
Message-ID: <20151014160245.GA10113@atomide.com> (raw)
In-Reply-To: <561DD014.10403@ti.com>
* Lokesh Vutla <a0131933@ti.com> [151013 20:53]:
> Hi Tony,
>
> On Wednesday 14 October 2015 04:43 AM, Tony Lindgren wrote:
> > On boards with more than 2GB of RAM booting goes wrong with things not working
> > and we're getting lots of l3 warnings:
> >
> > WARNING: CPU: 0 PID: 1 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x260/0x384()
> > 44000000.ocp:L3 Custom Error: MASTER MMC6 TARGET DMM1 (Idle): Data Access in User mode during Functional access
> > ...
> > [<c044e158>] (scsi_add_host_with_dma) from [<c04705c8>] (ata_scsi_add_hosts+0x5c/0x18c)
> > [<c04705c8>] (ata_scsi_add_hosts) from [<c046b13c>] (ata_host_register+0x150/0x2cc)
> > [<c046b13c>] (ata_host_register) from [<c046b38c>] (ata_host_activate+0xd4/0x124)
> > [<c046b38c>] (ata_host_activate) from [<c047f42c>] (ahci_host_activate+0x5c/0x194)
> > [<c047f42c>] (ahci_host_activate) from [<c0480854>] (ahci_platform_init_host+0x1f0/0x3f0)
> > [<c0480854>] (ahci_platform_init_host) from [<c047c9dc>] (ahci_probe+0x70/0x98)
> > [<c047c9dc>] (ahci_probe) from [<c04220cc>] (platform_drv_probe+0x54/0xb4)
> >
> > Let's fix the issue by enabling ZONE_DMA for LPAE.
>
> May I know on which platform you have reproduced this?
This is on the 4GB version of isee igepv5 GEP0050-RB10
https://isee.biz/products/igep-processor-boards/igepv5-omap5432
> Just wondering what other changes you made for booting a OMAP5+ based
> board with more than 2GB.
Just the minimal dts changes I posted yesterday to use shared dtsi file
for omap5-uevm variants. Then boot with something like this in the kernel
cmdline:
mem=2032M@0x80000000 mem=2048M@0x300000000
Regards,
Tony
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: OMAP2+: Fix oops with LPAE and more than 2GB of memory
Date: Wed, 14 Oct 2015 09:02:45 -0700 [thread overview]
Message-ID: <20151014160245.GA10113@atomide.com> (raw)
In-Reply-To: <561DD014.10403@ti.com>
* Lokesh Vutla <a0131933@ti.com> [151013 20:53]:
> Hi Tony,
>
> On Wednesday 14 October 2015 04:43 AM, Tony Lindgren wrote:
> > On boards with more than 2GB of RAM booting goes wrong with things not working
> > and we're getting lots of l3 warnings:
> >
> > WARNING: CPU: 0 PID: 1 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x260/0x384()
> > 44000000.ocp:L3 Custom Error: MASTER MMC6 TARGET DMM1 (Idle): Data Access in User mode during Functional access
> > ...
> > [<c044e158>] (scsi_add_host_with_dma) from [<c04705c8>] (ata_scsi_add_hosts+0x5c/0x18c)
> > [<c04705c8>] (ata_scsi_add_hosts) from [<c046b13c>] (ata_host_register+0x150/0x2cc)
> > [<c046b13c>] (ata_host_register) from [<c046b38c>] (ata_host_activate+0xd4/0x124)
> > [<c046b38c>] (ata_host_activate) from [<c047f42c>] (ahci_host_activate+0x5c/0x194)
> > [<c047f42c>] (ahci_host_activate) from [<c0480854>] (ahci_platform_init_host+0x1f0/0x3f0)
> > [<c0480854>] (ahci_platform_init_host) from [<c047c9dc>] (ahci_probe+0x70/0x98)
> > [<c047c9dc>] (ahci_probe) from [<c04220cc>] (platform_drv_probe+0x54/0xb4)
> >
> > Let's fix the issue by enabling ZONE_DMA for LPAE.
>
> May I know on which platform you have reproduced this?
This is on the 4GB version of isee igepv5 GEP0050-RB10
https://isee.biz/products/igep-processor-boards/igepv5-omap5432
> Just wondering what other changes you made for booting a OMAP5+ based
> board with more than 2GB.
Just the minimal dts changes I posted yesterday to use shared dtsi file
for omap5-uevm variants. Then boot with something like this in the kernel
cmdline:
mem=2032M at 0x80000000 mem=2048M at 0x300000000
Regards,
Tony
next prev parent reply other threads:[~2015-10-14 16:02 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-13 23:13 [PATCH] ARM: OMAP2+: Fix oops with LPAE and more than 2GB of memory Tony Lindgren
2015-10-13 23:13 ` Tony Lindgren
2015-10-14 3:46 ` Lokesh Vutla
2015-10-14 3:46 ` Lokesh Vutla
2015-10-14 16:02 ` Tony Lindgren [this message]
2015-10-14 16:02 ` Tony Lindgren
2015-10-15 7:55 ` Lokesh Vutla
2015-10-15 7:55 ` Lokesh Vutla
2015-10-15 14:05 ` Tony Lindgren
2015-10-15 14:05 ` Tony Lindgren
2015-10-15 15:14 ` Lokesh Vutla
2015-10-15 15:14 ` Lokesh Vutla
2015-10-16 19:23 ` Tony Lindgren
2015-10-16 19:23 ` Tony Lindgren
2015-10-19 13:56 ` Lokesh Vutla
2015-10-19 13:56 ` Lokesh Vutla
2015-10-19 15:46 ` Tony Lindgren
2015-10-19 15:46 ` Tony Lindgren
2015-10-14 9:15 ` Arnd Bergmann
2015-10-14 9:15 ` Arnd Bergmann
2015-10-14 16:17 ` Tony Lindgren
2015-10-14 16:17 ` Tony Lindgren
2015-10-14 20:12 ` Arnd Bergmann
2015-10-14 20:12 ` Arnd Bergmann
2015-10-14 20:28 ` Suman Anna
2015-10-14 20:28 ` Suman Anna
2015-10-14 20:44 ` Tony Lindgren
2015-10-14 20:44 ` Tony Lindgren
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