From: Christoph Hellwig <hch@lst.de>
To: linux-ia64@vger.kernel.org
Subject: Re: Regression in 543cea9a - was: Re: Kernel problem on rx2800 i2
Date: Tue, 25 Jun 2019 06:50:03 +0000 [thread overview]
Message-ID: <20190625065003.GA29883@lst.de> (raw)
In-Reply-To: <1d62aadd-67b6-da13-53cc-4b5213de8937@physik.fu-berlin.de>
On Tue, Jun 25, 2019 at 08:46:57AM +0200, John Paul Adrian Glaubitz wrote:
> I can reproduce the crash when trying to load the module for the USB controllers,
> for example. Loading the kernel module for the SATA controllers provokes the
> backtrace as well.
>
> I have skimmed through the code a bit , but I'm not sure whether I understand
> the code in kernel/dma/direct.c correctly, so my suggestion would be to just
> set GFP_DMA32 in __dma_direct_alloc_pages() unconditionally for a test. Would
> that be enough for a test?
Yes.
next prev parent reply other threads:[~2019-06-25 6:50 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-25 6:40 Regression in 543cea9a - was: Re: Kernel problem on rx2800 i2 John Paul Adrian Glaubitz
2019-06-25 6:42 ` Christoph Hellwig
2019-06-25 6:46 ` John Paul Adrian Glaubitz
2019-06-25 6:50 ` Christoph Hellwig [this message]
2019-06-25 6:54 ` John Paul Adrian Glaubitz
2019-06-25 6:59 ` Christoph Hellwig
2019-06-25 7:26 ` Frank Scheiner
2019-06-25 8:16 ` Frank Scheiner
2019-06-25 8:18 ` Christoph Hellwig
2019-06-25 8:38 ` Frank Scheiner
2019-06-25 9:30 ` Frank Scheiner
2019-06-25 10:32 ` Christoph Hellwig
2019-06-25 10:46 ` Frank Scheiner
2019-06-25 10:47 ` Christoph Hellwig
2019-06-25 11:19 ` Frank Scheiner
2019-06-25 11:21 ` John Paul Adrian Glaubitz
2019-06-25 12:00 ` Christoph Hellwig
2019-06-25 12:08 ` Frank Scheiner
2019-06-25 14:40 ` Christoph Hellwig
2019-06-25 15:52 ` Frank Scheiner
2019-06-28 6:26 ` Christoph Hellwig
2019-06-28 7:35 ` Frank Scheiner
2019-08-05 7:10 ` Christoph Hellwig
2019-08-05 8:16 ` Frank Scheiner
2020-08-05 19:43 ` John Paul Adrian Glaubitz
2020-08-05 20:27 ` Jessica Clarke
2020-08-05 21:27 ` John Paul Adrian Glaubitz
2020-08-05 22:41 ` John Paul Adrian Glaubitz
2021-03-23 15:02 ` John Paul Adrian Glaubitz
2021-03-23 15:14 ` Frank Scheiner
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