On Sun, 2021-06-13 at 14:21 -0600, Chris Murphy wrote: > On Sun, Jun 13, 2021 at 3:56 AM Patrick O'Callaghan > <pocallaghan@xxxxxxxxx> wrote: > > > > On Sun, 2021-06-13 at 07:09 +0800, Ed Greshko wrote: > > > On 13/06/2021 06:57, Ed Greshko wrote: > > > > But, does your plot show a difference? > > > > > > Speaking of your plot..... > > > > > > Don't you think the time between > > > > > > sys-devices-pci0000:00-0000:00:1a.0-usb1-1\x2d1-1\x2d1.6- > > > 1\x2d1.6.2.device and > > > dev-disk-by\x2dpath- > > > pci\x2d0000:00:14.0\x2dusb\x2d0:3:1.0\x2dscsi\x2d0:0:0:1.device > > > > > > worth looking into? > > > > Of course. That's precisely the issue I'm concerned about. I don't > > see > > what's causing it. My working hypothesis is that it's somehow > > related > > to the fact that the external dock supports two drives in a BTRFS > > RAID1 > > configuration and that the kernel is verifying them when it starts > > up, > > even though the drives are not being mounted (they have an > > automount > > unit but nothing in /etc/fstab). > > > > Why it would delay the rest of the system startup while this is > > happening is something I don't understand. The delay is very > > visible (I > > get three dots on a blank screen while it's happening). > > Short version: > Is this Btrfs raid1 listed at all in fstab? If so, add noauto,nofail > to the mount options, see if that clears it up. > It's not in /etc/fstab in any form. > [...] > So the next gotcha is if /sysroot is not Btrfs. In this case there's > a > bug in dracut that prevents this udev rule from being put into the > initramfs. That means anything that does try to mount a non-root > Btrfs > during boot, either fstab or gpt discoverable partitions, might > possibly fail if "not all devices are ready" at the time of the mount > attempt. > > https://github.com/dracutdevs/dracut/issues/947 > > This should be fixed in dracut 055, but if you already have 055 and > have an initramfs built with it and this problem you're having is a > new problem, maybe we've got a regression in 055 or something? I'm > not > sure yet...still kinda in the dark on what's going wrong. > > Also, it is possible it's not related to this btrfs file system at > all, but I'm throwing it out there just as something to be aware of. After the usb-settle change, I'm hoping it's not BTRFS after all, but I'll bear that in mind. I'm on dracut 054 currently. poc _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
