From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: PPC64 & DMA zone
Date: Sat, 18 Aug 2012 07:38:24 +1000 [thread overview]
Message-ID: <1345239504.11781.3.camel@pasglop> (raw)
In-Reply-To: <20120817210117.GB1908@harshnoise.musicnaut.iki.fi>
On Sat, 2012-08-18 at 00:01 +0300, Aaro Koskinen wrote:
> b43-pci-bridge 0001:01:01.0: Warning: IOMMU window too big for device
> mask
> b43-pci-bridge 0001:01:01.0: mask: 0x3fffffff, table end: 0x80000000
> b43-phy0 ERROR: The machine/kernel does not support the required
> 30-bit DMA mask
Hrm, odd, I though we had the iommu allocator sorted to handle that case
a while back. Maybe that got broken. I can try to have a look but poke
me in a week or so if you don't hear from me.
Unless somebody else beat me to it which would be much welcome :-)
Cheers,
Ben.
next prev parent reply other threads:[~2012-08-17 21:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-17 20:04 PPC64 & DMA zone Aaro Koskinen
2012-08-17 20:40 ` Benjamin Herrenschmidt
2012-08-17 21:01 ` Aaro Koskinen
2012-08-17 21:38 ` Benjamin Herrenschmidt [this message]
2012-09-02 2:54 ` Tabi Timur-B04825
2012-09-02 3:12 ` Benjamin Herrenschmidt
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