linux-kernel - Re: [BISECTED REGRESSION] b43legacy broken on G4 PowerBook

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Message-ID: <0b257651bb7ac4a6f0a8dce5470120b7701720b9.camel@kernel.crashing.org>
Date:   Wed, 12 Jun 2019 08:46:30 +1000
From:   Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:     Larry Finger <Larry.Finger@...inger.net>,
        Christoph Hellwig <hch@....de>
Cc:     Aaro Koskinen <aaro.koskinen@....fi>,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        Christian Zigotzky <chzigotzky@...osoft.de>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [BISECTED REGRESSION] b43legacy broken on G4 PowerBook

On Tue, 2019-06-11 at 17:20 -0500, Larry Finger wrote:
> b43-pci-bridge 0001:11:00.0: dma_direct_supported: failed (mask =
> 0x3fffffff, 
> min_mask = 0x5ffff000/0x5ffff000, dma bits = 0x1f

Ugh ? A mask with holes in it ? That's very wrong... That min_mask is
bogus.

Ben.