From: Christoph Hellwig <hch@lst.de>
To: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Christoph Hellwig <hch@lst.de>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>
Subject: Re: pci-usb/pci-sata broken with LPAE config after "reduce use of block bounce buffers"
Date: Wed, 5 Feb 2020 10:19:59 +0100 [thread overview]
Message-ID: <20200205091959.GA24413@lst.de> (raw)
In-Reply-To: <88d50d13-65c7-7ca3-59c6-56f7d66c3816@ti.com>
On Wed, Feb 05, 2020 at 02:48:17PM +0530, Kishon Vijay Abraham I wrote:
> Christoph,
>
> On 05/02/20 2:18 PM, Christoph Hellwig wrote:
> > On Wed, Feb 05, 2020 at 02:02:51PM +0530, Kishon Vijay Abraham I wrote:
> >>> you try that branch?
> >>
> >> I see data mismatch with that branch.
> >
> > But previously it didn't work at all? If you disable LPAE and thus
> > limit the available RAM, does it work without any fixes?
>
> Previously there was a warn dump and it gets stuck.
>
> With the branch you shared (with LPAE enabled), there was data mismatch.
> With the branch you shared (with LPAE disabled), things work fine
> (https://pastebin.ubuntu.com/p/kPNdsJd7ds/)
Does the miscompare still happen if you revert:
"dma-direct: improve DMA mask overflow reporting"
and
"dma-direct: improve swiotlb error reporting"
?
next prev parent reply other threads:[~2020-02-05 9:20 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-15 10:59 pci-usb/pci-sata broken with LPAE config after "reduce use of block bounce buffers" Kishon Vijay Abraham I
2019-11-15 13:06 ` Christoph Hellwig
2019-11-15 14:18 ` Kishon Vijay Abraham I
2019-11-16 16:35 ` Christoph Hellwig
2019-11-18 17:21 ` Robin Murphy
2019-11-25 5:43 ` Kishon Vijay Abraham I
2020-01-27 13:10 ` Kishon Vijay Abraham I
2020-01-27 13:22 ` Robin Murphy
2020-01-29 6:24 ` Kishon Vijay Abraham I
2020-01-30 7:58 ` Christoph Hellwig
2020-01-30 8:09 ` Kishon Vijay Abraham I
2020-01-30 16:42 ` Christoph Hellwig
2020-01-31 11:44 ` Kishon Vijay Abraham I
2020-02-03 14:21 ` Christoph Hellwig
2020-02-05 5:15 ` Kishon Vijay Abraham I
2020-02-05 7:47 ` Christoph Hellwig
2020-02-05 8:32 ` Kishon Vijay Abraham I
2020-02-05 8:48 ` Christoph Hellwig
2020-02-05 9:18 ` Kishon Vijay Abraham I
2020-02-05 9:19 ` Christoph Hellwig [this message]
2020-02-05 9:33 ` Kishon Vijay Abraham I
2020-02-05 16:05 ` Christoph Hellwig
2020-02-17 14:23 ` Christoph Hellwig
2020-02-18 12:15 ` Kishon Vijay Abraham I
2020-04-02 12:01 ` Kishon Vijay Abraham I
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