From: ludo@gnu.org (Ludovic Courtès)
To: 白い熊@相撲道 <guix-devel_gnu.org@sumou.com>
Cc: guix-devel@gnu.org
Subject: Re: qemu-nbd: Failed to bind socket: No such file or directory
Date: Thu, 26 Mar 2015 22:24:12 +0100 [thread overview]
Message-ID: <87h9t7qwoz.fsf@gnu.org> (raw)
In-Reply-To: <cd4795b07378aa8c33c1b7f50ff09253@hcoop.net> ("白い熊@相撲道"'s message of "Wed, 25 Mar 2015 05:26:52 +0100")
白い熊@相撲道 <guix-devel_gnu.org@sumou.com> skribis:
> Using qemu, I'm trying to mount a qcow2 image to manipulate its
> files. I insmoded the nbd kernel module. The block devices exist:
>
> ~$ ls -l /dev/nbd*
> brw-rw---- 1 root disk 43, 0 Mar 24 18:09 /dev/nbd0
> brw-rw---- 1 root disk 43, 1 Mar 24 18:09 /dev/nbd1
> brw-rw---- 1 root disk 43, 10 Mar 24 18:09 /dev/nbd10
> brw-rw---- 1 root disk 43, 11 Mar 24 18:09 /dev/nbd11
> brw-rw---- 1 root disk 43, 12 Mar 24 18:09 /dev/nbd12
> brw-rw---- 1 root disk 43, 13 Mar 24 18:09 /dev/nbd13
> brw-rw---- 1 root disk 43, 14 Mar 24 18:09 /dev/nbd14
> brw-rw---- 1 root disk 43, 15 Mar 24 18:09 /dev/nbd15
> brw-rw---- 1 root disk 43, 2 Mar 24 18:09 /dev/nbd2
> brw-rw---- 1 root disk 43, 3 Mar 24 18:09 /dev/nbd3
> brw-rw---- 1 root disk 43, 4 Mar 24 18:09 /dev/nbd4
> brw-rw---- 1 root disk 43, 5 Mar 24 18:09 /dev/nbd5
> brw-rw---- 1 root disk 43, 6 Mar 24 18:09 /dev/nbd6
> brw-rw---- 1 root disk 43, 7 Mar 24 18:09 /dev/nbd7
> brw-rw---- 1 root disk 43, 8 Mar 24 18:09 /dev/nbd8
> brw-rw---- 1 root disk 43, 9 Mar 24 18:09 /dev/nbd9
>
> But:
>
> ~$ sudo qemu-nbd -c /dev/nbd0 disk.qcow2
> Failed to bind socket: No such file or directory
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”.
HTH,
Ludo’.
next prev parent reply other threads:[~2015-03-26 21:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-25 4:26 qemu-nbd: Failed to bind socket: No such file or directory 白い熊@相撲道
2015-03-26 21:24 ` Ludovic Courtès [this message]
2015-03-28 0:29 ` 白い熊@相撲道
2015-03-28 14:41 ` Ludovic Courtès
2015-04-26 4:07 ` 宋文武
2015-04-29 20:28 ` Ludovic Courtès
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