Public bug reported:
There is a regression somewhere between udisks, udev, and dosfstools.
Formatting a device with vfat hangs and fails:
# blkid -p /dev/sda
(nothing)
# busctl call org.freedesktop.UDisks2
/org/freedesktop/UDisks2/block_devices/sda org.freedesktop.UDisks2.Block Format
'sa{sv}' vfat 0
(long pause)
Call failed: Error synchronizing after formatting with type `vfat': Timed out
waiting for object
# blkid -p /dev/sda
/dev/sda: PTUUID="3690494f" PTTYPE="dos"
OTOH, formatting as ext4 works fine:
# wipefs -a /dev/sda; wipefs -a /dev/sda
# busctl call org.freedesktop.UDisks2
/org/freedesktop/UDisks2/block_devices/sda org.freedesktop.UDisks2.Block Format
'sa{sv}' ext4 0
(immediately succeeds)
# blkid -p /dev/sda
/dev/sda: UUID="8bea7475-6af5-4835-86d0-0e5b2cb5500e" VERSION="1.0"
BLOCK_SIZE="4096" TYPE="ext4" USAGE="filesystem"
I tested this to a QEMU emulated disk, but it reproduces equally well
against a `modprobe scsi_debug` device.
Package: udisks2 2.9.2-1
DistroRelease: Ubuntu 21.04
** Affects: udisks2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: hirsute regression-release
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https://bugs.launchpad.net/bugs/1925822
Title:
[21.04 regression] formatting vfat times out
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