Re: qemu-nbd: Failed to bind socket: No such file or directory

[Ludovic Courtès]

白い熊＠相撲道 <address@hidden> skribis:

> On 2015-03-26 22:24, address@hidden wrote:
>> I have no idea, but I would recommend running:
>>
>>   sudo strace -o log qemu-nbd -c /dev/nbd0 disk.qcow2
>>
>> and then find out the socket name in ‘log’ above “Failed to bind
>> socket”.
>
> Yeah, was exploring this... I'm attaching the strace log, I don't
> understand what's causing it... Any ideas?

[...]

> --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2063, si_status=0, 
> si_utime=0, si_stime=0} ---
> read(3, "Failed to bind socket: No such f"..., 1024) = 49
> write(2, "Failed to bind socket: No such f"..., 49) = 49

The problem seems to happen in a child process.  Can you add the ‘-f’
flag to the ‘strace’ command line so we have details about child
processes?

TIA,
Ludo’.