Date: Tue, 23 Nov 2021 07:47:04 -0600 From: Mike Karels <mike@karels.net> To: MJ <mafsys1234@gmail.com> Cc: freebsd-arm@freebsd.org Subject: Re: 13.0-RELEASE Poor performance on Raspberry pi 3 B+ Message-ID: <202111231347.1ANDl4Nd083211@mail.karels.net> In-Reply-To: Your message of Tue, 23 Nov 2021 16:44:21 %2B1100. <94d868fb-3646-598f-fdea-7d4c61bae4c1@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Matt wrote: > On 23/11/2021 1:42 pm, Juan David Hurtado G wrote: > > Hi, I'm trying to use the OS on a Raspberry pi 3 B+ > > = > > Boot is pretty slow. It hangs on `ue0: Ethernet addresss: ...` for som= e > > minutes before showing the `login:` to enter the username. When I ente= r it, > > it takes a few seconds to ask for the password. > I had similar experiences. Do you have any USB devices attached? > One thing to watch for is any mounting of USB drives. I also had problem= s with certain cables connecting USB drives to the Pi but when I placed th= em on a powered hub they were fine (not slow to mount). As a reference, ru= nning devuan I had no issues. > If you have USB drives attached, try this: place hw.usb.no_boot_wait=3D"= 1" in /boot/loader.conf > > = > > While doing `freebsd-update fetch install` it took a plenty of minutes= , so > > I canceled the process and then did `freebsd-update fetch` and then > > `freebsd-update install` to see what was going on. > > = > > Found that the process was at `wdraid` state. Doing a simple search, I > > found about `vfs.hirunningspace` so I tweaked it to 1Mb and then to 2M= b. It > > seems to help, but not by much. Look at this: > > = > > freebsd@generic:~ % time freebsd-version -kru > > 13.0-RELEASE-p4 > > 13.0-RELEASE-p4 > > 13.0-RELEASE-p5 > > 0.365u 0.045s 0:41.25 0.9% 20+177k 14+0io 0pf+0w > > = > > :( Another data point: on my RPi 3B+, I get this: rpi% time freebsd-version -kru 13.0-RELEASE-p4 13.0-RELEASE-p4 13.0-RELEASE-p5 0.372u 0.053s 0:01.34 31.3% 27+178k 28+0io 0pf+0w rpi% time freebsd-version -kru 13.0-RELEASE-p4 13.0-RELEASE-p4 13.0-RELEASE-p5 0.372u 0.047s 0:00.41 100.0% 27+174k 0+0io 0pf+0w So it's not a general problem. Mike > > What could I be missing? Maybe I need to tweak partitions and use some= kind > > of configuration/optimization? how? I do appreciate any guidance you c= an > > provide in order to troubleshoot this. > I've never tried this. Is this now possible because it's a Tier 1 archit= ecture? > Would not memory be a constraint here? You definitely wouldn't want to b= e using tmpfs system. > > = > > PS: I don't think it is the microsd card since it runs raspios fine. > > = > And usually they start exhibiting write issues beforehand if they're goi= ng to fail. > Have you looked in /var/log/messages to see if there's any help there? > Matt.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202111231347.1ANDl4Nd083211>