[systemd-devel] udev took too long to start

Chen Jie chenj at lemote.com
Wed May 18 06:46:58 PDT 2011 

Hi,

2011/5/18 Kay Sievers <kay.sievers at vrfy.org>:
> On Wed, May 18, 2011 at 14:18, Chen Jie <chenj at lemote.com> wrote:
>> 2011/5/18 Kay Sievers <kay.sievers at vrfy.org>:
>
>>> udev.service does usually takes no time. It's the settle that may
>>> block for a longer time. In your chart it seems like a side-effect,
>>> and the root-fsck seems suspicious. any idea what could take so long
>>> here? Care to try without it?
>> Just like you said in my test, see boot1.svg vs boot2.svg(touch
>> "/fastboot" to skip fsck), under systemd v24.
>
> Yeah, much better. What's the reason it takes so long to fsck?
Guess something like "filesystem mounted 33 times without check, check
it", I enabled fsck and tested again(boot3.svg), it looks fine.

>
>> BTW, In my test platform, udev.service will take ~1s even when fsck
>> skipped, seems a bit long.
>
> Yeah, seems long, but may happen with a slow disk. What kind of box,
> or rootfs type is that?
It's a fuloong box[1] with ext4:
"""
/dev/root on / type ext4 (rw,relatime,barrier=1,data=ordered)
"""
How about startup time of udev.service on other platform?

>
> Care to provide the full output of:
>  time udevadm test /class/block/sda1
> ?
real	0m0.146s
user	0m0.084s
sys	0m0.048s
See udevadm_sda2.txt in detail.

>
> And what's hdparm.service that takes that long? It sounds wrong to
> ever fiddle around with disks that way these days.
>
It comes from sysv-init script of my debian.

-----
1. http://www.linux-mips.org/wiki/Fuloong.
-------------- next part --------------
run_command: calling: test
udevadm_test: version 166
parse_file: reading '/lib/udev/rules.d/40-usb_modeswitch.rules' as rules file
parse_file: reading '/lib/udev/rules.d/42-qemu-usb.rules' as rules file
parse_file: reading '/lib/udev/rules.d/50-udev-default.rules' as rules file
parse_file: reading '/lib/udev/rules.d/55-dm.rules' as rules file
add_rule: NAME="" is ignored, because udev will not delete any device nodes, please remove it from /lib/udev/rules.d/55-dm.rules:57
parse_file: reading '/lib/udev/rules.d/60-fuse-utils.rules' as rules file
parse_file: reading '/lib/udev/rules.d/60-gnupg.rules' as rules file
parse_file: reading '/lib/udev/rules.d/60-libgphoto2-2.rules' as rules file
parse_file: reading '/lib/udev/rules.d/60-persistent-alsa.rules' as rules file
parse_file: reading '/lib/udev/rules.d/60-persistent-input.rules' as rules file
parse_file: reading '/lib/udev/rules.d/60-persistent-serial.rules' as rules file
parse_file: reading '/lib/udev/rules.d/60-persistent-storage-dm.rules' as rules file
parse_file: reading '/lib/udev/rules.d/60-persistent-storage-tape.rules' as rules file
parse_file: reading '/lib/udev/rules.d/60-persistent-storage.rules' as rules file
parse_file: reading '/lib/udev/rules.d/60-persistent-v4l.rules' as rules file
parse_file: reading '/lib/udev/rules.d/61-gnome-bluetooth-rfkill.rules' as rules file
parse_file: reading '/lib/udev/rules.d/61-mobile-action.rules' as rules file
parse_file: reading '/lib/udev/rules.d/64-xorg-xkb.rules' as rules file
parse_file: reading '/lib/udev/rules.d/66-xorg-synaptics.rules' as rules file
parse_file: reading '/lib/udev/rules.d/69-xserver-xorg-input-wacom.rules' as rules file
parse_file: reading '/lib/udev/rules.d/70-acl.rules' as rules file
parse_file: reading '/lib/udev/rules.d/70-hid2hci.rules' as rules file
parse_file: reading '/etc/udev/rules.d/70-persistent-net.rules' as rules file
parse_file: reading '/lib/udev/rules.d/75-cd-aliases-generator.rules' as rules file
parse_file: reading '/lib/udev/rules.d/75-net-description.rules' as rules file
parse_file: reading '/lib/udev/rules.d/75-persistent-net-generator.rules' as rules file
parse_file: reading '/lib/udev/rules.d/75-probe_mtd.rules' as rules file
parse_file: reading '/lib/udev/rules.d/75-tty-description.rules' as rules file
parse_file: reading '/lib/udev/rules.d/77-mm-ericsson-mbm.rules' as rules file
parse_file: reading '/lib/udev/rules.d/77-mm-longcheer-port-types.rules' as rules file
parse_file: reading '/lib/udev/rules.d/77-mm-pcmcia-device-blacklist.rules' as rules file
parse_file: reading '/lib/udev/rules.d/77-mm-platform-serial-whitelist.rules' as rules file
parse_file: reading '/lib/udev/rules.d/77-mm-simtech-port-types.rules' as rules file
parse_file: reading '/lib/udev/rules.d/77-mm-usb-device-blacklist.rules' as rules file
parse_file: reading '/lib/udev/rules.d/77-mm-x22x-port-types.rules' as rules file
parse_file: reading '/lib/udev/rules.d/77-mm-zte-port-types.rules' as rules file
parse_file: reading '/lib/udev/rules.d/77-nm-olpc-mesh.rules' as rules file
parse_file: reading '/lib/udev/rules.d/78-sound-card.rules' as rules file
parse_file: reading '/lib/udev/rules.d/79-fstab_import.rules' as rules file
parse_file: reading '/lib/udev/rules.d/80-alsa.rules' as rules file
parse_file: reading '/lib/udev/rules.d/80-drivers.rules' as rules file
parse_file: reading '/lib/udev/rules.d/80-mm-candidate.rules' as rules file
parse_file: reading '/lib/udev/rules.d/80-udisks.rules' as rules file
parse_file: reading '/lib/udev/rules.d/85-hwclock.rules' as rules file
parse_file: reading '/lib/udev/rules.d/85-usbmuxd.rules' as rules file
parse_file: reading '/lib/udev/rules.d/90-pulseaudio.rules' as rules file
parse_file: reading '/lib/udev/rules.d/91-permissions.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-keyboard-force-release.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-keymap.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-udev-late.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-dell.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-fujitsu.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-gateway.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-ibm.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-lenovo.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-upower-battery-recall-toshiba.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-upower-csr.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-upower-hid.rules' as rules file
parse_file: reading '/lib/udev/rules.d/95-upower-wup.rules' as rules file
parse_file: reading '/lib/udev/rules.d/97-bluetooth.rules' as rules file
parse_file: reading '/lib/udev/rules.d/99-systemd.rules' as rules file
parse_file: reading '/etc/udev/rules.d/z60_hdparm.rules' as rules file
udev_rules_new: rules use 153420 bytes tokens (12785 * 12 bytes), 29178 bytes buffer
udev_rules_new: temporary index used 47680 bytes (2384 * 20 bytes)
udev_device_new_from_syspath: device 0x43c0a0 has devpath '/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0/block/sda/sda2'
udev_device_new_from_syspath: device 0x453cf0 has devpath '/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0/block/sda/sda2'
udev_device_read_db: device 0x453cf0 filled with db file data
udev_device_new_from_syspath: device 0x454048 has devpath '/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0/block/sda'
udev_device_read_db: device 0x454048 filled with db file data
udev_rules_apply_to_event: LINK 'disk/by-id/scsi-SATA_SAMSUNG_HM121HCS12SJD0S208504-part2' /lib/udev/rules.d/60-persistent-storage.rules:99
udev_rules_apply_to_event: LINK 'disk/by-id/ata-SAMSUNG_HM121HC_S12SJD0S208504-part2' /lib/udev/rules.d/60-persistent-storage.rules:104
udev_rules_apply_to_event: LINK 'disk/by-id/wwn-0x50f0000003208504-part2' /lib/udev/rules.d/60-persistent-storage.rules:114
udev_rules_apply_to_event: LINK 'disk/by-path/pci-0000:00:0e.2-scsi-0:0:0:0-part2' /lib/udev/rules.d/60-persistent-storage.rules:120
udev_rules_apply_to_event: IMPORT '/sbin/blkid -o udev -p /dev/sda2' /lib/udev/rules.d/60-persistent-storage.rules:137
util_run_program: '/sbin/blkid -o udev -p /dev/sda2' started
util_run_program: '/sbin/blkid' (stdout) 'ID_FS_LABEL=root'
util_run_program: '/sbin/blkid' (stdout) 'ID_FS_LABEL_ENC=root'
util_run_program: '/sbin/blkid' (stdout) 'ID_FS_UUID=24da5973-ff04-456c-ab40-ea7ac9cb0b2b'
util_run_program: '/sbin/blkid' (stdout) 'ID_FS_UUID_ENC=24da5973-ff04-456c-ab40-ea7ac9cb0b2b'
util_run_program: '/sbin/blkid' (stdout) 'ID_FS_VERSION=1.0'
util_run_program: '/sbin/blkid' (stdout) 'ID_FS_TYPE=ext4'
util_run_program: '/sbin/blkid' (stdout) 'ID_FS_USAGE=filesystem'
util_run_program: '/sbin/blkid -o udev -p /dev/sda2' returned with exitcode 0
udev_rules_apply_to_event: LINK 'disk/by-uuid/24da5973-ff04-456c-ab40-ea7ac9cb0b2b' /lib/udev/rules.d/60-persistent-storage.rules:144
udev_rules_apply_to_event: LINK 'disk/by-label/root' /lib/udev/rules.d/60-persistent-storage.rules:146
udev_device_new_from_syspath: device 0x44dcf0 has devpath '/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0'
udev_device_new_from_syspath: device 0x44deb8 has devpath '/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0'
udev_device_new_from_syspath: device 0x44d710 has devpath '/devices/pci0000:00/0000:00:0e.2/host0'
udev_device_new_from_syspath: device 0x44f650 has devpath '/devices/pci0000:00/0000:00:0e.2'
udev_device_new_from_syspath: device 0x44f820 has devpath '/devices/pci0000:00'
udev_rules_apply_to_event: IMPORT 'fstab_import sda2 disk/by-id/scsi-SATA_SAMSUNG_HM121HCS12SJD0S208504-part2 disk/by-id/ata-SAMSUNG_HM121HC_S12SJD0S208504-part2 disk/by-id/wwn-0x50f0000003208504-part2 disk/by-path/pci-0000:00:0e.2-scsi-0:0:0:0-part2 disk/by-uuid/24da5973-ff04-456c-ab40-ea7ac9cb0b2b disk/by-label/root mapper/' /lib/udev/rules.d/79-fstab_import.rules:1
util_run_program: 'fstab_import sda2 disk/by-id/scsi-SATA_SAMSUNG_HM121HCS12SJD0S208504-part2 disk/by-id/ata-SAMSUNG_HM121HC_S12SJD0S208504-part2 disk/by-id/wwn-0x50f0000003208504-part2 disk/by-path/pci-0000:00:0e.2-scsi-0:0:0:0-part2 disk/by-uuid/24da5973-ff04-456c-ab40-ea7ac9cb0b2b disk/by-label/root mapper/' started
util_run_program: 'fstab_import sda2 disk/by-id/scsi-SATA_SAMSUNG_HM121HCS12SJD0S208504-part2 disk/by-id/ata-SAMSUNG_HM121HC_S12SJD0S208504-part2 disk/by-id/wwn-0x50f0000003208504-part2 disk/by-path/pci-0000:00:0e.2-scsi-0:0:0:0-part2 disk/by-uuid/24da5973-ff04-456c-ab40-ea7ac9cb0b2b disk/by-label/root mapper/' returned with exitcode 1
udev_rules_apply_to_event: IMPORT 'udisks-part-id /dev/sda2' /lib/udev/rules.d/80-udisks.rules:99
util_run_program: 'udisks-part-id /dev/sda2' started
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'libudev: udev_device_new_from_syspath: '
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'device 0x41c118 has devpath '/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0/block/sda/sda2''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'libudev: udev_device_new_from_syspath: '
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'device 0x41f4b0 has devpath '/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0/block/sda''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'libudev: udev_device_read_db: '
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'device 0x41f4b0 filled with db file data'
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'using device_file=/dev/sda syspath=/sys/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0/block/sda, offset=205632000 ao=0 and number=2 for /dev/sda2'
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'Entering MS-DOS parser (offset=0, size=120034123776)'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'MSDOS_MAGIC found'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'looking at part 0 (offset 32256, size 205599744, type 0x83)'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'new part entry'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'looking at part 1 (offset 205632000, size 20012106240, type 0x83)'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'new part entry'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'looking at part 2 (offset 20217738240, size 1028160000, type 0x83)'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'new part entry'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'looking at part 3 (offset 21245898240, size 98785612800, type 0x83)'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'new part entry'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'Exiting MS-DOS parser'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stderr) 'MSDOS partition table detected'
util_run_program: '/lib/udev/udisks-part-id' (stderr) ''
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION=1'
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION_SCHEME=mbr'
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION_NUMBER=2'
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION_TYPE=0x83'
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION_SIZE=20012106240'
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION_LABEL='
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION_UUID='
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION_FLAGS='
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION_SLAVE=/sys/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0/block/sda'
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION_OFFSET=205632000'
util_run_program: '/lib/udev/udisks-part-id' (stdout) 'UDISKS_PARTITION_ALIGNMENT_OFFSET=0'
util_run_program: 'udisks-part-id /dev/sda2' returned with exitcode 0
udev_rules_apply_to_event: GROUP 6 /lib/udev/rules.d/91-permissions.rules:4
udev_event_execute_rules: no node name set, will use kernel supplied name 'sda2'
udev_node_add: creating device node '/dev/sda2', devnum=8:2, mode=0660, uid=0, gid=6
udev_node_mknod: preserve file '/dev/sda2', because it has correct dev_t
udev_node_mknod: preserve permissions /dev/sda2, 060660, uid=0, gid=6
node_symlink: preserve already existing symlink '/dev/block/8:2' to '../sda2'
link_find_prioritized: found 'b8:2' claiming '/dev/.udev/links/disk\x2fby-id\x2fscsi-SATA_SAMSUNG_HM121HCS12SJD0S208504-part2'
link_update: creating link '/dev/disk/by-id/scsi-SATA_SAMSUNG_HM121HCS12SJD0S208504-part2' to '/dev/sda2'
node_symlink: preserve already existing symlink '/dev/disk/by-id/scsi-SATA_SAMSUNG_HM121HCS12SJD0S208504-part2' to '../../sda2'
link_find_prioritized: found 'b8:2' claiming '/dev/.udev/links/disk\x2fby-id\x2fata-SAMSUNG_HM121HC_S12SJD0S208504-part2'
link_update: creating link '/dev/disk/by-id/ata-SAMSUNG_HM121HC_S12SJD0S208504-part2' to '/dev/sda2'
node_symlink: preserve already existing symlink '/dev/disk/by-id/ata-SAMSUNG_HM121HC_S12SJD0S208504-part2' to '../../sda2'
link_find_prioritized: found 'b8:2' claiming '/dev/.udev/links/disk\x2fby-id\x2fwwn-0x50f0000003208504-part2'
link_update: creating link '/dev/disk/by-id/wwn-0x50f0000003208504-part2' to '/dev/sda2'
node_symlink: preserve already existing symlink '/dev/disk/by-id/wwn-0x50f0000003208504-part2' to '../../sda2'
link_find_prioritized: found 'b8:2' claiming '/dev/.udev/links/disk\x2fby-path\x2fpci-0000:00:0e.2-scsi-0:0:0:0-part2'
link_update: creating link '/dev/disk/by-path/pci-0000:00:0e.2-scsi-0:0:0:0-part2' to '/dev/sda2'
node_symlink: preserve already existing symlink '/dev/disk/by-path/pci-0000:00:0e.2-scsi-0:0:0:0-part2' to '../../sda2'
link_find_prioritized: found 'b8:2' claiming '/dev/.udev/links/disk\x2fby-uuid\x2f24da5973-ff04-456c-ab40-ea7ac9cb0b2b'
link_update: creating link '/dev/disk/by-uuid/24da5973-ff04-456c-ab40-ea7ac9cb0b2b' to '/dev/sda2'
node_symlink: preserve already existing symlink '/dev/disk/by-uuid/24da5973-ff04-456c-ab40-ea7ac9cb0b2b' to '../../sda2'
link_find_prioritized: found 'b8:2' claiming '/dev/.udev/links/disk\x2fby-label\x2froot'
link_update: creating link '/dev/disk/by-label/root' to '/dev/sda2'
node_symlink: preserve already existing symlink '/dev/disk/by-label/root' to '../../sda2'
udev_device_update_db: created db file '/dev/.udev/db/b8:2' for '/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0/block/sda/sda2'
udevadm_test: UDEV_LOG=6
udevadm_test: DEVPATH=/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0/block/sda/sda2
udevadm_test: MAJOR=8
udevadm_test: MINOR=2
udevadm_test: DEVNAME=/dev/sda2
udevadm_test: DEVTYPE=partition
udevadm_test: ACTION=add
udevadm_test: SUBSYSTEM=block
udevadm_test: ID_ATA=1
udevadm_test: ID_TYPE=disk
udevadm_test: ID_BUS=ata
udevadm_test: ID_MODEL=SAMSUNG_HM121HC
udevadm_test: ID_MODEL_ENC=SAMSUNG\x20HM121HC\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20
udevadm_test: ID_REVISION=LS100-01
udevadm_test: ID_SERIAL=SAMSUNG_HM121HC_S12SJD0S208504
udevadm_test: ID_SERIAL_SHORT=S12SJD0S208504
udevadm_test: ID_ATA_WRITE_CACHE=1
udevadm_test: ID_ATA_WRITE_CACHE_ENABLED=1
udevadm_test: ID_ATA_FEATURE_SET_HPA=1
udevadm_test: ID_ATA_FEATURE_SET_HPA_ENABLED=1
udevadm_test: ID_ATA_FEATURE_SET_PM=1
udevadm_test: ID_ATA_FEATURE_SET_PM_ENABLED=1
udevadm_test: ID_ATA_FEATURE_SET_SECURITY=1
udevadm_test: ID_ATA_FEATURE_SET_SECURITY_ENABLED=0
udevadm_test: ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=42
udevadm_test: ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=42
udevadm_test: ID_ATA_FEATURE_SET_SMART=1
udevadm_test: ID_ATA_FEATURE_SET_SMART_ENABLED=1
udevadm_test: ID_ATA_FEATURE_SET_AAM=1
udevadm_test: ID_ATA_FEATURE_SET_AAM_ENABLED=0
udevadm_test: ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=254
udevadm_test: ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=0
udevadm_test: ID_ATA_FEATURE_SET_APM=1
udevadm_test: ID_ATA_FEATURE_SET_APM_ENABLED=0
udevadm_test: ID_ATA_DOWNLOAD_MICROCODE=1
udevadm_test: ID_WWN=0x50f0000003208504
udevadm_test: ID_WWN_WITH_EXTENSION=0x50f0000003208504
udevadm_test: ID_SCSI_COMPAT=SATA_SAMSUNG_HM121HCS12SJD0S208504
udevadm_test: ID_PATH=pci-0000:00:0e.2-scsi-0:0:0:0
udevadm_test: ID_PART_TABLE_TYPE=dos
udevadm_test: DEVLINKS=/dev/disk/by-id/scsi-SATA_SAMSUNG_HM121HCS12SJD0S208504-part2 /dev/disk/by-id/ata-SAMSUNG_HM121HC_S12SJD0S208504-part2 /dev/disk/by-id/wwn-0x50f0000003208504-part2 /dev/disk/by-path/pci-0000:00:0e.2-scsi-0:0:0:0-part2 /dev/disk/by-uuid/24da5973-ff04-456c-ab40-ea7ac9cb0b2b /dev/disk/by-label/root
udevadm_test: ID_FS_LABEL=root
udevadm_test: ID_FS_LABEL_ENC=root
udevadm_test: ID_FS_UUID=24da5973-ff04-456c-ab40-ea7ac9cb0b2b
udevadm_test: ID_FS_UUID_ENC=24da5973-ff04-456c-ab40-ea7ac9cb0b2b
udevadm_test: ID_FS_VERSION=1.0
udevadm_test: ID_FS_TYPE=ext4
udevadm_test: ID_FS_USAGE=filesystem
udevadm_test: UDISKS_PRESENTATION_NOPOLICY=0
udevadm_test: UDISKS_PARTITION=1
udevadm_test: UDISKS_PARTITION_SCHEME=mbr
udevadm_test: UDISKS_PARTITION_NUMBER=2
udevadm_test: UDISKS_PARTITION_TYPE=0x83
udevadm_test: UDISKS_PARTITION_SIZE=20012106240
udevadm_test: UDISKS_PARTITION_SLAVE=/sys/devices/pci0000:00/0000:00:0e.2/host0/target0:0:0/0:0:0:0/block/sda
udevadm_test: UDISKS_PARTITION_OFFSET=205632000
udevadm_test: UDISKS_PARTITION_ALIGNMENT_OFFSET=0
udevadm_test: TAGS=:systemd:
This program is for debugging only, it does not run any program,
specified by a RUN key. It may show incorrect results, because
some values may be different, or not available at a simulation run.

real	0m0.146s
user	0m0.084s
sys	0m0.048s
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