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Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2
From: |
Christoph Hellwig |
Subject: |
Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2 |
Date: |
Mon, 22 Aug 2011 17:12:09 +0200 |
User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Mon, Aug 22, 2011 at 09:59:16AM -0500, Ryan Harper wrote:
> * Christoph Hellwig <address@hidden> [2011-08-21 17:27]:
> > changes since V1:
> > - rebase to apply against the current qemu.git tree
>
>
> Testing on tip + this series with:
>
> ./configure --enable-debug --enable-kvm --enable-io-thread
> --target-list=x86_64-softmmu
That is about the same config that I run.
> [New Thread 0x7ffff4f27700 (LWP 18033)]
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00000000004200c1 in bdrv_acct_done (bs=0x12310b0, cookie=0x1c69f50) at
> /root/git/qemu/block_int.h:239
> 239 bs->nr_bytes[cookie->type] += cookie->bytes;
I can't see how this can result in a segfault, unless we get a corrupted
cookie. Can you print what cookie->type is from gdb?
- [Qemu-devel] [PATCH 0/3] better I/O accounting V2, Christoph Hellwig, 2011/08/21
- [Qemu-devel] [PATCH 1/3] block: include flush requests in info blockstats, Christoph Hellwig, 2011/08/21
- [Qemu-devel] [PATCH 2/3] block: explicit I/O accounting, Christoph Hellwig, 2011/08/21
- [Qemu-devel] [PATCH 3/3] block: latency accounting, Christoph Hellwig, 2011/08/21
- Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2, Stefan Hajnoczi, 2011/08/22
- Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2, Ryan Harper, 2011/08/22
- Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2,
Christoph Hellwig <=
- Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2, Ryan Harper, 2011/08/22
- Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2, Christoph Hellwig, 2011/08/22
- Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2, Ryan Harper, 2011/08/22
- Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2, Christoph Hellwig, 2011/08/24
- Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2, Ryan Harper, 2011/08/25
Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V2, Kevin Wolf, 2011/08/22
Re: [Qemu-devel] [PATCH 0/3] better I/O accounting V3, Christoph Hellwig, 2011/08/25