systemd-udevd failing on multipath devices
Issue
-
systemd-udevd
process is failing on multipath devices and shows below errors.
During following timestamps the CPU utilization on systems was also reached up to 90-100%Aug 11 15:22:08 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-173' [7491] Aug 11 15:22:08 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-131' [7484] Aug 11 15:22:08 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-185' [7521] Aug 11 15:22:08 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-179' [7520] Aug 11 15:22:08 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-174' [7522] Aug 11 15:22:09 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-129' [7492] Aug 11 15:22:09 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-173' [7491] Aug 11 15:22:09 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-131' [7484] Aug 11 15:22:09 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-185' [7521] Aug 11 15:22:09 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-179' [7520] Aug 11 15:22:09 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-174' [7522] Aug 11 15:22:10 host1 systemd-udevd: timeout: killing '/sbin/kpartx -a /dev/dm-129' [7492]
-
The
ps aux
output also shows lots ofudev
processes stuck inD
(Uninterruptible
) state$ ps aux|grep -i udev|grep D root 1178 0.0 0.0 0 0 ? D 08:17 0:00 [systemd-udevd] root 1179 0.0 0.0 44928 3296 ? D 08:17 0:01 /usr/lib/systemd/systemd-udevd root 1182 0.0 0.0 0 0 ? D 08:17 0:00 [systemd-udevd] root 1183 0.0 0.0 0 0 ? D 08:17 0:01 [systemd-udevd] root 1184 0.0 0.0 44788 3340 ? D 08:17 0:01 /usr/lib/systemd/systemd-udevd root 1185 0.0 0.0 44920 3376 ? D 08:17 0:01 /usr/lib/systemd/systemd-udevd root 1186 0.0 0.0 0 0 ? D 08:17 0:00 [systemd-udevd] root 1187 0.0 0.0 44788 3344 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd root 1188 0.0 0.0 0 0 ? D 08:17 0:00 [systemd-udevd] root 1189 0.0 0.0 44788 3192 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd root 1190 0.0 0.0 44788 3152 ? D 08:17 0:01 /usr/lib/systemd/systemd-udevd root 1193 0.0 0.0 0 0 ? D 08:17 0:00 [systemd-udevd] root 1198 0.0 0.0 44788 3248 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd root 1199 0.0 0.0 44788 3352 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd root 1201 0.0 0.0 44788 3280 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd root 1202 0.0 0.0 44788 3116 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd root 1203 0.0 0.0 44788 3248 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd root 1207 0.0 0.0 44788 3240 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd root 1208 0.0 0.0 44788 3220 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd root 1209 0.0 0.0 44788 3208 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd root 1210 0.0 0.0 44788 3232 ? D 08:17 0:00 /usr/lib/systemd/systemd-udevd
Environment
- Red Hat Enterprise Linux 7
- System with large number of SAN devices
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