FreeBSD Mail Archives

Date:      Fri, 31 Jan 2020 23:05:27 +0100
From:      Ralf Wenk <iz-rpi03@hs-karlsruhe.de>
To:        Kyle Evans <kevans@freebsd.org>
Cc:        bob prohaska <fbsd@www.zefox.net>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>
Subject:   Re: panic: deadlres_td_sleep_q: possible deadlock detected on RPI3
Message-ID:  <E1ixePn-0000RO-Ep@iz-wera-new.HS-Karlsruhe.DE>
In-Reply-To: <CACNAnaG=G-KSbd_d-XZtVpx01fC0m9h0n0JbMP2zSjcZWsgw4A@mail.gmail.com>
References:  <20200123164419.GA81833@www.zefox.net>  <20200125153229.GA3768@www.zefox.net> <E1ivfCl-0073zQ-M1@smtp.hs-karlsruhe.de> <20200126164211.GB7312@www.zefox.net> <20200130162055.GA21879@www.zefox.net>  <E1ixVNL-0004Px-Be@iz-wera-new.HS-Karlsruhe.DE> <CACNAnaG=G-KSbd_d-XZtVpx01fC0m9h0n0JbMP2zSjcZWsgw4A@mail.gmail.com>

This is a multipart MIME message.

--==_Exmh_1580506002_15060
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable

On 2020-01-31 at 7:48 -0600 Kyle Evans wrote:
> =5B...=5D
> These results should no longer be reproducible in recent loaders --
> the effect you're seeing is an extraordinarily long redraw times as
> that's roughly in the range where serial console in loader was
> effectively borked. Things were later hashed out such that we use the
> old console driver for serial in many (most? all?) situations.

Now having upgraded the contents of /boot/msdos aka =22the boot partition=
=22
to those of the
FreeBSD-13.0-CURRENT-arm64-aarch64-RPI3-20200130-r357276.img
and the result stays as described:

  Autoboot in 10 seconds, hit =5BEnter=5D to boot or any other key to sto=
p    =20
  Autoboot in -6 seconds, hit =5BEnter=5D to boot or any other key to sto=
p    =20
  Loading kernel...

The /boot/loader*efi files are from 25 of January. r357112 I think.

On this machine I am using EFI/HDMI and serial console parallel
boot_mulicons=3DYES=22, boot_serial=3D=22YES=22, console=3D=22comconsole,=
efi=22.

In the attached file you will find a part of the serial console output
during boot where you can see the loader version used and the jump from
10 to -6 seconds with immediate boot.

As you also can see the cursor control sequences of the beastie are
printed and not executed any more. With the exception of the =5EH (which
I removed) during the spinning wheels. This happened at some time in
the past when I did not kept sufficient backups. So I can not help to
point at a range of releases.

While writing this, I remembered that Bob Prohaskas 'five seconds per
=22click=22' did only happened on my RPi3 systems when some USB keyboards=

are plugged in during boot. Never without a USB keyboard. It seems to
depend on the manufacturer and/or chip. Didn't had/have the spare time
to figure it out, but this may be a hint.

The system with the negative time jump in loader is equipped with a
USB keyboard parallel to the serial console.


Ralf

--==_Exmh_1580506002_15060
Content-Type: text/plain ; name="script-log-of-boot"; charset=utf-8
Content-Description: script-log-of-boot
Content-Disposition: attachment; filename="script-log-of-boot"
Content-Transfer-Encoding: quoted-printable

EFI boot manager: Cannot load any image
679320 bytes read in 70 ms (9.3 MiB/s)
libfdt fdt_check_header(): FDT_ERR_BADMAGIC
Consoles: EFI console =20
=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=
=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=
=7C/-=5C    Reading loader env vars from /efi/freebsd/loader.env
Setting currdev to disk0p1:
=7C/-=5C=7C/FreeBSD/arm64 EFI loader, Revision 1.1
(Thu Nov 14 08:36:43 UTC 2019 root=40releng1.nyi.freebsd.org)

   Command line arguments: loader.efi
   EFI version: 2.80
   EFI Firmware: Das U-Boot (rev 8217.4096)
   Console: efi (0x1000)
   Load Path: /efi=5Cboot=5Cbootaa64.efi
   Load Device: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/SD(1)/SD(0)/=
HD(1,MBR,0x11f39717,0x800,0x19000)
Trying ESP: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/SD(1)/SD(0)/HD(1=
,MBR,0x11f39717,0x800,0x19000)
Setting currdev to disk0p1:
-=5C=7C/-=5C=7C/-=5C=7C/Trying: /VenHw(e61d73b9-a384-4acc-aeab-82e828f362=
8b)/SD(1)/SD(0)/HD(2,MBR,0x11f39717,0x19800,0x3a00000)
-=5C=7C/Setting currdev to zfs:rootpool/ROOT/default.defect:
-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-Loading /boot/def=
aults/loader.conf
Loading /boot/device.hints
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5CLoadin=
g /boot/loader.conf
=7C/-=5C=7C/-=5C=7C/-console comconsole is invalid=21
Available consoles:
    efi
Loading /boot/loader.conf.local
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5BH=5BJ=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5B8;48H  =60=60=
=60                        =60=5B9;48H s=60 =60.....---.......--.=60=60=
=60   -/=5B10;48H +o   .--=60         /y:=60      +.=5B11;48H  yo=60:.   =
         :o      =60+-=5B12;48H   y/               -/=60   -o/=5B13;48H  =
.-                  ::/sy+:.=5B14;48H  /                     =60--  /=5B1=
5;48H =60:                          :=60=5B16;48H =60:                   =
       :=60=5B17;48H  /                          /=5B18;48H  .-          =
              -.=5B19;48H   --                      -.=5B20;48H    =60:=
=60                  =60:=60=5B21;48H      .--             =60--.=5B22;48=
H         .---.....----.=5B1;2H  ______               ____   _____ _____ =
 =5B2;2H =7C  ____=7C             =7C  _ =5C / ____=7C  __ =5C =5B3;2H =
=7C =7C___ _ __ ___  ___ =7C =7C_) =7C (___ =7C =7C  =7C =7C=5B4;2H =7C  =
___=7C '__/ _ =5C/ _ =5C=7C  _ < =5C___ =5C=7C =7C  =7C =7C=5B5;2H =7C =
=7C   =7C =7C =7C  __/  __/=7C =7C_) =7C____) =7C =7C__=7C =7C=5B6;2H =7C=
 =7C   =7C =7C =7C    =7C    =7C=7C     =7C      =7C      =7C=5B7;2H =7C_=
=7C   =7C_=7C  =5C___=7C=5C___=7C=7C____/=7C_____/=7C_____/ =5B9;2H+=5B22=
;2H+=5B9;44H+=5B22;44H+=5B9;3H-----------------------------------------=
=5B22;3H-----------------------------------------=5B10;2H=7C=5B10;44H=7C=
=5B11;2H=7C=5B11;44H=7C=5B12;2H=7C=5B12;44H=7C=5B13;2H=7C=5B13;44H=7C=5B1=
4;2H=7C=5B14;44H=7C=5B15;2H=7C=5B15;44H=7C=5B16;2H=7C=5B16;44H=7C=5B17;2H=
=7C=5B17;44H=7C=5B18;2H=7C=5B18;44H=7C=5B19;2H=7C=5B19;44H=7C=5B20;2H=7C=
=5B20;44H=7C=5B21;2H=7C=5B21;44H=7C=5B9;14HWelcome to FreeBSD=5B11;5H1. B=
oot Multi user =5BEnter=5D=5B12;5H2. Boot Single user=5B13;5H3. Escape to=
 loader prompt=5B14;5H4. Reboot=5B15;5H=5B16;5HOptions:=5B17;5H=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C5. Kernel: default/kernel (1 of 7)=
=5B18;5H6. Boot Options=5B19;5H7. Boot Environments=5B25;0H=5B23;4HAutobo=
ot in 10 seconds, hit =5BEnter=5D to boot or any other key to stop    =20
=5B25;0H=5B23;4HAutoboot in -6 seconds, hit =5BEnter=5D to boot or any ot=
her key to stop    =20
=5B25;0HLoading kernel...
/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/=
-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C//boot/ker=
nel/kernel text=3D0x987f7c -=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=
=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5Cdata=3D0x1905a8 =7C/-=5C=7Cdata=3D0x0+0x7=
9d260 /syms=3D=5B0x8+0x10bd38-=5C=7C/+0x8+0x130464-=5C=7C/-=5D
Loading configured modules...
=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-=5C/boot/kernel/zfs.ko text=3D0xa3e40 =7C/text=3D0x14cb60=
 -=5C=7C/-data=3D0x17f10+0x91170 =5C=7Csyms=3D=5B0x8+0x26040/+0x8+0x1fc2a=
=5D
-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=
=5C=7C/-=5C=7C/-/boot/kernel/mac_ntpd.ko text=3D0x8f7 text=3D0x48 data=3D=
0xad8 =5Csyms=3D=5B0x8+0x588+0x8+0x433=5D
=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=
=7C/-=5C=7C/-=5C/boot/kernel/opensolaris.ko text=3D0x12ed text=3D0xc40 da=
ta=3D0x440+0x6830 =7Csyms=3D=5B0x8+0xfc0+0x8+0x894=5D
/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C=7C/-=5C/boot/entropy size=3D0x1000
Using DTB provided by EFI at 0x7ef6000.
=7C/-=5C=7C/-=5C=7C/-=5C=7C/-EFI framebuffer information:
addr, size     0x3e330000, 0x8ca000
dimensions     1920 x 1200
stride         1920
masks          0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000


--==_Exmh_1580506002_15060--

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