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[Bug 1866792] [NEW] formating vdi-disk over nbd fails
From: |
Eilert |
Subject: |
[Bug 1866792] [NEW] formating vdi-disk over nbd fails |
Date: |
Tue, 10 Mar 2020 09:57:12 -0000 |
Public bug reported:
Hi,
after creating a vdi-image with qemu-vdi and attaching it with qemu-nbd
partitioning works fine, but the system hangs up during formating with
mkfs.ext4.
Same procedure with qcow2-image works fine
Tested on Fedora 31 kernel 5.5.7-200.fc31.x86_64
-----------------
#! /bin/sh
qemu-img create -f qcow2 ~/test.qcow2 32G
#qemu-img version 4.1.1 (qemu-4.1.1-1.fc31)
modprobe nbd max_part=8
qemu-nbd --connect=/dev/nbd2 ~/test.qcow2
#qemu-nbd 4.1.1 (qemu-4.1.1-1.fc31)
parted -s /dev/nbd2 "mklabel gpt"
parted -s -a optimal /dev/nbd2 "mkpart test ext4 2048 32G "
parted -s -a optimal /dev/nbd2 "p"
mkfs.ext4 /dev/nbd2p1
#Format hangs up due to IO errors.
#Tested on Fedora 31, kernel 5.5.7-200.fc31.x86_64
mkdir /mnt/test_qcow2
mount /dev/nbd2p1 /mnt/test_qcow2
df -H
-------------------
#! /bin/sh
qemu-img create -f vdi ~/test.vdi 32G
modprobe nbd max_part=8
qemu-nbd --connect=/dev/nbd4 ~/test.vdi
parted -s /dev/nbd4 "mklabel gpt"
parted -s -a optimal /dev/nbd4 "mkpart test ext4 2048 32G "
parted -s -a optimal /dev/nbd4 "p"
mkfs.ext4 /dev/nbd4p1
#Format hangs up due to IO errors
#Tested on Fedora 31 kernel 5.5.7-200.fc31.x86_64
mkdir /mnt/test_vdi
mount /dev/nbd4p1 /mnt/test_vdi
df -H
----------------------
Kind regards
Eilert
PS.: There may be a connection to this bug:
#1661758 qemu-nbd causes data corruption in VDI-format disk images
** Affects: qemu
Importance: Undecided
Status: New
** Attachment added: "virtual_disk_vdi.sh"
https://bugs.launchpad.net/bugs/1866792/+attachment/5335236/+files/virtual_disk_vdi.sh
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https://bugs.launchpad.net/bugs/1866792
Title:
formating vdi-disk over nbd fails
Status in QEMU:
New
Bug description:
Hi,
after creating a vdi-image with qemu-vdi and attaching it with qemu-nbd
partitioning works fine, but the system hangs up during formating with
mkfs.ext4.
Same procedure with qcow2-image works fine
Tested on Fedora 31 kernel 5.5.7-200.fc31.x86_64
-----------------
#! /bin/sh
qemu-img create -f qcow2 ~/test.qcow2 32G
#qemu-img version 4.1.1 (qemu-4.1.1-1.fc31)
modprobe nbd max_part=8
qemu-nbd --connect=/dev/nbd2 ~/test.qcow2
#qemu-nbd 4.1.1 (qemu-4.1.1-1.fc31)
parted -s /dev/nbd2 "mklabel gpt"
parted -s -a optimal /dev/nbd2 "mkpart test ext4 2048 32G "
parted -s -a optimal /dev/nbd2 "p"
mkfs.ext4 /dev/nbd2p1
#Format hangs up due to IO errors.
#Tested on Fedora 31, kernel 5.5.7-200.fc31.x86_64
mkdir /mnt/test_qcow2
mount /dev/nbd2p1 /mnt/test_qcow2
df -H
-------------------
#! /bin/sh
qemu-img create -f vdi ~/test.vdi 32G
modprobe nbd max_part=8
qemu-nbd --connect=/dev/nbd4 ~/test.vdi
parted -s /dev/nbd4 "mklabel gpt"
parted -s -a optimal /dev/nbd4 "mkpart test ext4 2048 32G "
parted -s -a optimal /dev/nbd4 "p"
mkfs.ext4 /dev/nbd4p1
#Format hangs up due to IO errors
#Tested on Fedora 31 kernel 5.5.7-200.fc31.x86_64
mkdir /mnt/test_vdi
mount /dev/nbd4p1 /mnt/test_vdi
df -H
----------------------
Kind regards
Eilert
PS.: There may be a connection to this bug:
#1661758 qemu-nbd causes data corruption in VDI-format disk images
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- [Bug 1866792] [NEW] formating vdi-disk over nbd fails,
Eilert <=