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Date: Mon, 02 Apr 2012 14:21:57 +1000 From: Benjamin Herrenschmidt <benh@...nel.crashing.org> To: Andreas Schwab <schwab@...ux-m68k.org> Cc: Grant Likely <grant.likely@...retlab.ca>, devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org, Milton Miller <miltonm@....com>, Rob Herring <rob.herring@...xeda.com>, Thomas Gleixner <tglx@...utronix.de>, linuxppc-dev@...ts.ozlabs.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH v5 06/27] irq_domain/powerpc: eliminate irq_map; use irq_alloc_desc() instead On Sun, 2012-04-01 at 23:27 +0200, Andreas Schwab wrote: > Grant Likely <grant.likely@...retlab.ca> writes: > > > This patch drops the powerpc-specific irq_map table and replaces it with > > directly using the irq_alloc_desc()/irq_free_desc() interfaces for allocating > > and freeing irq_desc structures. > > This breaks irqs on PowerMac G5. I see lost irq errors from the sata > driver. > > Note that the breakage only started after the series was merged into > mainline. But when transplanted upon the parent of the merge this is > the commit that was blamed by bisect. So something changed between > v3.3-rc3 and the merge of this series that broke it. can you tell me more ? (What machine precisely, what .config etc...) ? I tested here on two G5's: - PowerMac7,3 aka Dual G5 AGP. This ones has U3 + K2 and uses cascaded MPICs - PowerMac11,2 aka Quad G5. This one has U4 + K2 and uses a single MPIC in the northbridge And both appear to work fine with today upstream (basically -rc1). Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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