On Tue, Sep 22, 2020 at 2:53 PM Mantas Mikulėnas <[email protected]> wrote: > > On Tue, Sep 22, 2020 at 1:46 PM Andrei Borzenkov <[email protected]> wrote: >> >> On Tue, Sep 22, 2020 at 1:35 PM ZhouPeng <[email protected]> wrote: >> > >> > Hi all, >> > >> > When I use Fedora image as rootfs on Xilinx PYNQ-Z2, I encountered the >> > issue when use the /dev/ttyPS0. >> > I think the issue is because systemd and udev on fedora can didn't detect >> > ttyPS0 properly. Do I need to install any other package or do some special >> > configuration? >> > >> > **systemd version the issue has been seen with** >> > udevadm --version >> > 237 >> > systemd-udev.riscv64 237-1.0.riscv64.fc28 >> > >> > >> > **Unexpected behaviour you saw** >> > We can see ttyPS0 boots ok in the kernel boot period: >> > [ 0.180000] console [ttyPS0] enabledat MMIO 0xe0000000 (irq = 2, >> > base_baud = 6250000) is a xuartps >> > [ 0.180000] console [ttyPS0] enabled >> > >> > But, when boot into systemd, it failed on dev ttyPS0: >> > [ TIME ] Timed out waiting for device dev-ttyPS0.device. // **here** >> >> systemd only monitors for devices with "sysemd" tag. Tags are assigned >> by udev rules. You should add rule to assign tag to ttyPS0. I have no >> idea what it is, but something like >> >> ACTION!="remove", KERNEL=="ttyPS0", TAG+="systemd" >> >> should do it. Whether this should go upstream depends on how common >> this device is. > > > Well yes, but that should have been already covered by the existing upstream > rules: > > 99-systemd.rules:12:SUBSYSTEM=="tty", > KERNEL=="tty[a-zA-Z]*|hvc*|xvc*|hvsi*|ttysclp*|sclp_line*|3270/tty[0-9]*", > TAG+="systemd" >
Are you sure ttyPS0 has the "tty" subsystem? _______________________________________________ systemd-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/systemd-devel
