Re: [Qemu-devel] qemu-img segfault on latest git

[Stefan Hajnoczi <stefanha@gmail.com>]

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On Tue, Jun 17, 2014 at 11:08:48AM -0400, Milos Vyletel wrote:
> I hope this is the right place to report this. I've noticed that I
> can't run qemu-img convert on latest git version because it segfaults.
> I've bisected the code and identified that this was caused by

Thanks for the bug report!

> commit 6f482f742dd841b45297fb0e5f3d2c81779253be
> Author: Chunyan Liu <cyliu@suse.com>
> Date:   Thu Jun 5 17:21:01 2014 +0800
> 
>     raw-posix.c: replace QEMUOptionParameter with QemuOpts
> 
>     Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
>     Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
>     Signed-off-by: Chunyan Liu <cyliu@suse.com>
>     Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> 
> bisect log:
> git bisect start
> # bad: [af44da87e926ff64260b95f4350d338c4fc113ca] Merge
> remote-tracking branch 'remotes/agraf/tags/signed-ppc-for-upstream'
> into staging
> git bisect bad af44da87e926ff64260b95f4350d338c4fc113ca
> # good: [10f08a0a3435afea441db8d0981dbad49042c7cf] qemu-iotests: Test
> converting to streamOptimized from small cluster size
> git bisect good 10f08a0a3435afea441db8d0981dbad49042c7cf
> # good: [1673e89e93e08cbfee7c9b552008e5b39469ad0e] Merge
> remote-tracking branch 'remotes/kraxel/tags/pull-sdl-3' into staging
> git bisect good 1673e89e93e08cbfee7c9b552008e5b39469ad0e
> # good: [a491af471bf8f1188b2665f54d109065d4591e45] json-parser: drop
> superfluous assignment for token variable
> git bisect good a491af471bf8f1188b2665f54d109065d4591e45
> # good: [10582ff832798813ba3a17f13f3ab46250388b47] spapr: Add ibm,
> chip-id property in device tree
> git bisect good 10582ff832798813ba3a17f13f3ab46250388b47
> # good: [6a1eed3f49e0fc5ef94906c0eab5314bc32bc8ae] target-ppc: Make
> use of gen_spr_book3s_altivec() for POWER7/8
> git bisect good 6a1eed3f49e0fc5ef94906c0eab5314bc32bc8ae
> # bad: [bd0cf596fd1200d162e5655adff9c06d40dbdd14] rbd.c: replace
> QEMUOptionParameter with QemuOpts
> git bisect bad bd0cf596fd1200d162e5655adff9c06d40dbdd14
> # good: [8559e45e51edd22dd48d54cce8b0521e6339f3e9] QemuOpts: add
> conversion between QEMUOptionParameter to QemuOpts
> git bisect good 8559e45e51edd22dd48d54cce8b0521e6339f3e9
> # good: [98c10b810a83a0f52b4b5a14a8a36ce0622cb01f] nfs.c: replace
> QEMUOptionParameter with QemuOpts
> git bisect good 98c10b810a83a0f52b4b5a14a8a36ce0622cb01f
> # good: [7ab74849a5724452b35982a6e7d658c25839f5e5] qed.c: replace
> QEMUOptionParameter with QemuOpts
> git bisect good 7ab74849a5724452b35982a6e7d658c25839f5e5
> # bad: [ddef76999396d93b2c7ddfc7e95d5c4bcdeac55a] raw-win32.c: replace
> QEMUOptionParameter with QemuOpts
> git bisect bad ddef76999396d93b2c7ddfc7e95d5c4bcdeac55a
> # bad: [6f482f742dd841b45297fb0e5f3d2c81779253be] raw-posix.c: replace
> QEMUOptionParameter with QemuOpts
> git bisect bad 6f482f742dd841b45297fb0e5f3d2c81779253be
> 
> test script:
> #!/bin/bash
> 
> make -j 24 clean
> ./configure
> make -j 24 qemu-img
> 
> ./qemu-img create -f raw ~/qemu-test.img 128M
> 
> ./qemu-img convert -p -f raw ~/qemu-test.img -O vmdk \
>     -o adapter_type=lsilogic,subformat=streamOptimized,compat6 \
>     ~/qemu-test.vmdk
> 
> [ -f ~/qemu-test.vmdk ] && ret=0 || ret=1
> 
> rm -f ~/qemu-test.{img,vmdk}
> 
> exit $ret
> 
> Milos
> 

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