From: Mark Haverkamp <markh@osdl.org>
To: Olof Johansson <olof@lixom.net>
Cc: "linuxppc64-dev@ozlabs.org" <linuxppc64-dev@ozlabs.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: iommu_alloc failure and panic
Date: Mon, 30 Jan 2006 07:32:58 -0800 [thread overview]
Message-ID: <1138635178.5150.1.camel@markh3.pdx.osdl.net> (raw)
In-Reply-To: <20060127233443.GB26653@pb15.lixom.net>
On Sat, 2006-01-28 at 12:34 +1300, Olof Johansson wrote:
> On Fri, Jan 27, 2006 at 02:39:50PM -0800, Mark Haverkamp wrote:
>
> > I would have thought that the npages would be 1 now.
>
> No, npages is the size of the allocation coming from the driver, that
> won't chance. The table blocksize just says how wide the cacheline size
> is, i.e. how far it should advance between allocations.
>
> This is a patch that should probably have been added a while ago, to
> give a bit more info. Can you apply it and give it a go?
>
>
> Thanks,
>
> Olof
>
Here are the last few lines of the log before it crashed.
Jan 30 07:29:14 linux kernel: table size 10000 used f752
Jan 30 07:29:21 linux kernel: printk: 650 messages suppressed.
Jan 30 07:29:21 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c000000059424000 npages 10
Jan 30 07:29:21 linux kernel: table size 10000 used f2c9
Jan 30 07:29:25 linux kernel: printk: 590 messages suppressed.
Jan 30 07:29:25 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c00000007c5f9000 npages e
Jan 30 07:29:25 linux kernel: table size 10000 used f6ae
Jan 30 07:29:29 linux kernel: printk: 705 messages suppressed.
Jan 30 07:29:29 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c0000000d3c9f000 npages e
Jan 30 07:29:29 linux kernel: table size 10000 used f530
Jan 30 07:29:35 linux kernel: printk: 357 messages suppressed.
Jan 30 07:29:35 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c00000010156b000 npages 10
Jan 30 07:29:35 linux kernel: table size 10000 used e69e
Jan 30 07:29:39 linux kernel: printk: 481 messages suppressed.
Jan 30 07:29:39 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c00000007616b000 npages 10
Jan 30 07:29:39 linux kernel: table size 10000 used f8e2
Jan 30 07:30:02 linux kernel: printk: 366 messages suppressed.
Jan 30 07:30:02 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c0000000b0f80000 npages 10
Jan 30 07:30:02 linux kernel: table size 10000 used fbf2
Jan 30 07:30:02 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c0000000b43d3000 npages 10
Jan 30 07:30:02 linux kernel: table size 10000 used fc00
Jan 30 07:30:02 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c0000000ac267000 npages 10
Jan 30 07:30:02 linux kernel: table size 10000 used fbf1
Jan 30 07:30:02 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c0000000b7380000 npages 10
Jan 30 07:30:02 linux kernel: table size 10000 used fc66
Jan 30 07:30:04 linux kernel: printk: 417 messages suppressed.
Jan 30 07:30:04 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c0000000d94be000 npages 10
Jan 30 07:30:04 linux kernel: table size 10000 used ffd2
Jan 30 07:30:09 linux kernel: printk: 957 messages suppressed.
Jan 30 07:30:09 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c0000000e59c0000 npages e
Jan 30 07:30:09 linux kernel: table size 10000 used fd18
Jan 30 07:30:14 linux kernel: printk: 990 messages suppressed.
Jan 30 07:30:14 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c0000001019c3000 npages 10
Jan 30 07:30:14 linux kernel: table size 10000 used fa2b
Jan 30 07:30:19 linux kernel: printk: 881 messages suppressed.
Jan 30 07:30:19 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c000000066901000 npages 10
Jan 30 07:30:19 linux kernel: table size 10000 used ee58
Jan 30 07:30:24 linux kernel: printk: 1094 messages suppressed.
Jan 30 07:30:24 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c00000011d110000 npages 10
Jan 30 07:30:24 linux kernel: table size 10000 used f74a
Jan 30 07:30:29 linux kernel: printk: 890 messages suppressed.
Jan 30 07:30:29 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c00000007db1c000 npages 10
Jan 30 07:30:29 linux kernel: table size 10000 used f6e3
Jan 30 07:30:34 linux kernel: printk: 1020 messages suppressed.
Jan 30 07:30:34 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c00000004759f000 npages 10
Jan 30 07:30:34 linux kernel: table size 10000 used f972
Jan 30 07:30:39 linux kernel: printk: 1209 messages suppressed.
Jan 30 07:30:39 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c00000003a39b000 npages 10
Jan 30 07:30:39 linux kernel: table size 10000 used e358
Jan 30 07:30:44 linux kernel: printk: 608 messages suppressed.
Jan 30 07:30:44 linux kernel: iommu_alloc_sg failed, tbl c0000001e794dd80 vaddr c00000000b086000 npages 10
Jan 30 07:30:44 linux kernel: table size 10000 used ff52
--
Mark Haverkamp <markh@osdl.org>
next prev parent reply other threads:[~2006-01-30 15:33 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-27 16:57 Mark Haverkamp
2006-01-27 20:40 ` Olof Johansson
2006-01-27 22:39 ` Mark Haverkamp
2006-01-27 23:34 ` Olof Johansson
2006-01-27 23:37 ` Mark Haverkamp
2006-01-30 15:32 ` Mark Haverkamp [this message]
2006-01-30 23:13 ` Olof Johansson
2006-01-31 1:18 ` Doug Maxey
2006-01-31 13:41 ` James Smart
2006-01-31 21:33 ` Mark Haverkamp
2006-01-27 23:48 ` Anton Blanchard
2006-01-28 0:00 ` Mark Haverkamp
2006-01-28 1:19 ` Anton Blanchard
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