Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [217.70.183.200]) by nld3-dev1.alpinelinux.org (Postfix) with ESMTPS id 62F62781AFA for <~alpine/users@lists.alpinelinux.org>; Tue, 6 Aug 2019 12:46:35 +0000 (UTC) X-Originating-IP: 146.115.3.75 Received: from [172.16.11.173] (146-115-3-75.ma.subnet.cable.rcncustomer.com [146.115.3.75]) (Authenticated sender: me@cosmoborsky.com) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id A19AE20003; Tue, 6 Aug 2019 12:46:33 +0000 (UTC) Subject: Re: Alpine-Linux-Xen 4.12, max_loop=32 To: Helmut , ~alpine/users@lists.alpinelinux.org References: <7d1e84c4-fd53-0d89-0c6e-d70f46a5e3fd@arcor.de> <2f74e87d-41fc-505e-3e88-48e435f98a61@cosmoborsky.com> <2a4bbe0d-96da-d94c-4244-05647501698c@arcor.de> From: Cosmo Borsky Openpgp: preference=signencrypt Autocrypt: addr=me@cosmoborsky.com; keydata= mQQNBFTcDWEBIADGDkzUQN0uVlH2LyPQIMUnWrTDnZecxMVwyGAsmEaVWxwR8uhKaJvBBFJi 9jUGM1z95eCWlSTlWBNDAjYTAFi89MZJSjVeK+EfKWoPITevsqTLOzZkrAD7q06W069h/9MF 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(X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <2a4bbe0d-96da-d94c-4244-05647501698c@arcor.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit On 8/6/19 8:26 AM, Helmut wrote: > Hello, > > thanks for your help. My actual config is: > > /etc/modules > loop max_loop=32 > > /etc/modprobe.d/loop > options loop max_loop=32 > > /etc/modprobe.d/xen > options loop max_loop=32 > > /boot/extlinux.conf > > APPEND xen.gz dom0_mem=2048M dom0_max_vcpus=2 dom0_vcpus_pin --- > vmlinuz-vanilla root=UUID=dad93766-6001-4458-a5de-d6ac14007b4c > modules=sd-mod,usb-storage,ext4,loop,xen-pciback nomodeset quiet > rootfstype=ext4 max_loop=32 xen-pciback.hide=(0000:04:01.0) --- > initramfs-vanilla > > NO SUCCESS !! > > > only my manual script has succes: > > for i in $(seq 8 32) ; do mknod /dev/loop$i b 7 $i ;done > chmod 664 /dev/loop* > chown 0.disk /dev/loop* > > > But I need a permanently configure in dom0 for start of 10 domU within > hd-devices, did you more idea`s ? > > best regards > Helmut > I see now, when booting only 8 loop modules will be made regardless of the max_loop parameter. The loops will be made when: ``` # ls /dev/loop[0-9]* | wc -l 8 # rmmod loop # modprobe loop max_loop=32 # ls /dev/loop[0-9]* | wc -l 32 ``` The loop module is loaded from the initfs without the /etc/modules and /etc/modprobe.d options. In order to load those options, you will need to add loop to /etc/mkinitfs/mkinitfs.conf, like so: `/etc/mkinitfs/mkinitfs.conf/` ``` features="... loop" ``` After adding loop to your features list, run `mkinitfs` as root and then reboot.