Re: [Qemu-devel] virtio-9p.c:401: v9fs_string_sprintf: Assertion `!(err == -1)' failed.

[Venkateswararao Jujjuri (JV)]

On 10/6/2010 5:48 AM, Gerd Hoffmann wrote:
>  Hi,
> 
> $subject says all ...
> 
> Triggered by mounting the filesystem.  F14 guest.
> 

Ah. This is introduced by c9ba47dc5d8679efa4d5425aa27e0f8132920fb5
v9fs_string_sprintf() doesn't support %lu. I will send a patch to fix this 
shortly.

- JV

> (gdb) #0  0x000000399f4329c5 in raise () from /lib64/libc.so.6
> #1  0x000000399f4341a5 in abort () from /lib64/libc.so.6
> #2  0x000000399f42b955 in __assert_fail () from /lib64/libc.so.6
> #3  0x00000000004209a4 in v9fs_string_sprintf (str=0x1bc9560, fmt=0x5d31e4 "%s
> %lu")
>     at /home/kraxel/projects/qemu/hw/virtio-9p.c:401
> #4  0x0000000000423bcb in stat_to_v9stat (s=0x7f524d3ef010, name=0x1baf658,
> stbuf=0x1bc9588,
>     v9stat=0x1bc94f0) at /home/kraxel/projects/qemu/hw/virtio-9p.c:1039
> #5  0x0000000000423d27 in v9fs_stat_post_lstat (s=0x7f524d3ef010, pdu=<value
> optimized out>)
>     at /home/kraxel/projects/qemu/hw/virtio-9p.c:1229
> #6  v9fs_stat (s=0x7f524d3ef010, pdu=<value optimized out>)
>     at /home/kraxel/projects/qemu/hw/virtio-9p.c:1263
> #7  0x000000000041f8a8 in submit_pdu (vdev=0x7f524d3ef010, vq=0x1aed390)
>     at /home/kraxel/projects/qemu/hw/virtio-9p.c:3452
> #8  handle_9p_output (vdev=0x7f524d3ef010, vq=0x1aed390)
>     at /home/kraxel/projects/qemu/hw/virtio-9p.c:3474
> #9  0x0000000000428e66 in kvm_handle_io (env=0x1665800) at
> /home/kraxel/projects/qemu/kvm-all.c:741
> #10 kvm_cpu_exec (env=0x1665800) at /home/kraxel/projects/qemu/kvm-all.c:882
> #11 0x00000000004d596f in cpu_x86_exec (env1=<value optimized out>)
>     at /home/kraxel/projects/qemu/cpu-exec.c:338
> #12 0x000000000040b468 in qemu_cpu_exec () at 
> /home/kraxel/projects/qemu/cpus.c:767
> #13 cpu_exec_all () at /home/kraxel/projects/qemu/cpus.c:795
> #14 0x0000000000561d35 in main_loop (argc=<value optimized out>, argv=<value
> optimized out>,
>     envp=<value optimized out>) at /home/kraxel/projects/qemu/vl.c:1331
> #15 main (argc=<value optimized out>, argv=<value optimized out>, envp=<value
> optimized out>)
>     at /home/kraxel/projects/qemu/vl.c:3036
> 
> 
> cheers,
>   Gerd
>