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Date: Mon, 22 Aug 2011 17:35:14 +0200
From: Christoph Hellwig <hch@lst.de>
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Subject: Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2
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To: Ryan Harper <ryanh@us.ibm.com>
Cc: Christoph Hellwig <hch@lst.de>, qemu-devel@nongnu.org

On Mon, Aug 22, 2011 at 10:29:11AM -0500, Ryan Harper wrote:
> (gdb) frame 0
> #0  0x00000000004200c1 in bdrv_acct_done (bs=0x12310b0, cookie=0x1c68810) at /root/git/qemu/block_int.h:239 239         bs->nr_bytes[cookie->type] += cookie->bytes;
> (gdb) p *cookie
> $3 = {bytes = 72057589759737855, start_time_ns = 72057589759737855, type = 16777215}

So it is indeed corrupted.  I'll try to figure out how that could have
happened.