On Sat, Jun 27, 2020 at 11:30 PM Mohamed Ali Fodha <fodha.mohamed.ali@xxxxxxxxx> wrote:
Hello,I noticed that mounting partition takes more time on yocto thud regarding rocko.I checked the dev-mmcblk0p2.device in my case using systemd-bootchart.Is there any reason why this mouting delay was increased?
Either the kernel takes longer to *detect* the device in the first place (maybe partition scanning became slower?), or you have added udev rules which take a long time to be processed. There is no hardcoded mounting delay within systemd itself.
Where the dev-mmcblk0p2.device comes from? I am not able to locate it in /lib/systemd/system, any help on this please?
.device units are virtual units which represent the state of udev database. The unit shows up whenever the kernel informs udev about a new device, but it only gets marked as "active (plugged)" when udev's rule processing for that device finishes.
Mantas Mikulėnas
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