Am 19.05.2015 um 12:37 schrieb Lennart Poettering: > On Tue, 19.05.15 12:02, Marco Steinacher ([email protected]) wrote: > >> Hi, >> >> After upgrading my system to Debian jessie and switching to systemd I >> have the following problem: >> >> 1. During boot there is the message >> >> [ **] A start job is running for udev Wait for Complete De...on (11s >> / 3min) >> >> after "systemd-fsck[452]: /dev/sda5: clean" and it takes about 2 minutes >> until the boot process continues. >> systemd-analyze blame shows: >> >> 2min 2.945s systemd-udev-settle.service > > systemd-udev-settle.service just waits for devices to be probed. It > will wait for the kernel drivers to initialize and the udev rules to > be pliugged in. > > In fact, there's really no need to have this in the boot process at > all, unless you are using some broken software that assumes that > there's a point in time where all hardware has been plugged in, but > such a point in time does not actually exist, and hasn't existed in a > long time (simply because USB and other busses can take any time they > want before initialization is complete and the devices have shown up). > >> 2. dmesg also shows: >> >> [ 254.305831] INFO: task systemd-udevd:296 blocked for more than 120 >> seconds. >> [ 254.305962] Not tainted 3.16.0-4-686-pae #1 >> [ 254.306069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" >> disables this message. >> [ 254.306165] systemd-udevd D 00000000 0 296 234 0x00000004 >> >> and similar messages for the tasks systemd-udevd:308 and >> systemd-udevd:307. The messages repeat a couple of times (see full log >> below). >> > > There you go: your kernel is hung, some driver or your xen irq > handling is borked and hangs during initialization. This is a kernel > problem, please report this to the kernel bugzilla.
Thank you for the swift reply and for clarifying the situation. I understand now that this is a kernel issue and not a problem with systemd. I'll try to track down the kernel issue now. Thanks, Marco -- OpenPGP Key ID: 0x62937F7F _______________________________________________ systemd-devel mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/systemd-devel
