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Date:      Fri, 8 Nov 2024 05:27:38 -0800
From:      Warner Losh <imp@bsdimp.com>
To:        Alexander Leidinger <Alexander@leidinger.net>
Cc:        Current FreeBSD <freebsd-current@freebsd.org>
Subject:   Re: No valid device tree blob found!
Message-ID:  <CANCZdfq7gFCXyk_nfGZ__T=Db3082X0kaYbAQUUQOqmNatd2pw@mail.gmail.com>
In-Reply-To: <0389774b2a7a86ebf538807f71239802@Leidinger.net>
References:  <8cf9adb0e7ca6340460c695ffd64a0df@Leidinger.net> <896b9ce404ffcb126dcdd6008583b117@Leidinger.net> <CANCZdfr4qGgyt=fN4%2BJiFytthjseNo_2B0LVXHZNH93Y3vqEVg@mail.gmail.com> <a007694a811d1daa48703236b3eba007@Leidinger.net> <CANCZdfq%2BUuP7Ya69jz5jnoBB1Cg2Y-sHq1g%2BixsmEvjU7cSipA@mail.gmail.com> <132ca9158817a4706d1b9e78c3567973@Leidinger.net> <CANCZdfp=9RpRmSEFf37%2BO=q5ywAFZgM=VD2Kg0qLXLrfx9izfQ@mail.gmail.com> <0389774b2a7a86ebf538807f71239802@Leidinger.net>

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On Fri, Nov 8, 2024, 12:34=E2=80=AFAM Alexander Leidinger <Alexander@leidin=
ger.net>
wrote:

> Am 2024-11-08 05:46, schrieb Warner Losh:
>
> OK. I'm confused... but no matter.
>
> Three more things to help...
> (1) kenv after boot with a fixed kernel
>
>
> COLUMNS=3D"100"
> LINES=3D"31"
> acpi.oem=3D"BOCHS "
> acpi.revision=3D"2"
> acpi.rsdp=3D"0x00000006385c0018"
> acpi.rsdt=3D"0x0000000000000000"
> acpi.xsdt=3D"0x00000006385cfe98"
> acpi.xsdt_length=3D"36"
> acpi_dsdt_load=3D"NO"
> acpi_dsdt_name=3D"/boot/acpi_dsdt.aml"
> acpi_dsdt_type=3D"acpi_dsdt"
> acpi_video_load=3D"NO"
> audit_event_load=3D"NO"
> audit_event_name=3D"/etc/security/audit_event"
> audit_event_type=3D"etc_security_audit_event"
> autoboot_delay=3D"1"
> beastie_disable=3D"YES"
> bitmap_load=3D"NO"
> bitmap_name=3D"splash.bmp"
> bitmap_type=3D"splash_image_data"
> boot_multicons=3D"YES"
> boot_serial=3D"YES"
> bootenv_autolist=3D"YES"
> bootenvs[0]=3D"zfs:zroot/ROOT/2024-10-30-121420_ko"
> bootenvs[10]=3D"zfs:zroot/ROOT/2024-07-15-110946"
> bootenvs[11]=3D"zfs:zroot/ROOT/2024-09-12-140543"
> bootenvs[1]=3D"zfs:zroot/ROOT/2024-10-14-233343_ko"
> bootenvs[2]=3D"zfs:zroot/ROOT/2024-10-14-160359"
> bootenvs[3]=3D"zfs:zroot/ROOT/2024-10-14-160358"
> bootenvs[4]=3D"zfs:zroot/ROOT/2024-10-13-232308"
> bootenvs[5]=3D"zfs:zroot/ROOT/2024-10-14-102617"
> bootenvs[6]=3D"zfs:zroot/ROOT/2024-10-11-084349"
> bootenvs[7]=3D"zfs:zroot/ROOT/2024-11-06-084833"
> bootenvs[8]=3D"zfs:zroot/ROOT/2024-08-15-222928"
> bootenvs[9]=3D"zfs:zroot/ROOT/2024-07-16-094205"
> bootenvs_count=3D"12"
> bootfile=3D"kernel"
> console=3D"efi"
> cpu_microcode_load=3D"NO"
> cpu_microcode_name=3D"/boot/firmware/ucode.bin"
> cpu_microcode_type=3D"cpu_microcode"
> cryptodev_load=3D"YES"
> currdev=3D"zfs:zroot/ROOT/2024-11-06-084833:"
> efi-version=3D"2.70"
> efi_com_port=3D"0"
> efi_com_speed=3D"38400"
> efi_max_resolution=3D"1x1"
> entropy_cache_load=3D"YES"
> entropy_cache_name=3D"/boot/entropy"
> entropy_cache_type=3D"boot_entropy_cache"
> entropy_efi_seed=3D"YES"
> entropy_efi_seed_size=3D"2048"
> geom_eli_load=3D"YES"
> hint.acpi.0.disabled=3D"0"
> hint.smbios.0.mem=3D"0x63bed0000"
> hostuuid_load=3D"YES"
> hostuuid_name=3D"/etc/hostid"
> hostuuid_type=3D"hostuuid"
> hw.mca.enabled=3D"1"
> hw.uart.console=3D"db:8,dt:pl011,mm:0x9000000,rs:0,rw:1,pa:none,br:9600,x=
o=3D0"
> hw.usb.no_boot_wait=3D"0"
> kern.msgbuf_show_timestamp=3D"1"
> kern.random.fortuna.concurrent_read=3D"1"
> kernel=3D"kernel"
> kernel_options=3D""
> kernel_path=3D"/boot/kernel"
> kernelname=3D"/boot/kernel/kernel"
> kernels_autodetect=3D"YES"
> loaddev=3D"zfs:zroot/ROOT/2024-11-06-084833:"
> loader.efi=3D"1"
> loader_conf_dirs=3D"/boot/loader.conf.d"
> loader_logo=3D"none"
> local_loader_conf_files=3D"/boot/loader.conf.local"
> module_blacklist=3D"drm drm2 radeonkms i915kms amdgpu"
> module_path=3D"/boot/kernel;/boot/modules;/boot/dtb;/boot/dtb/overlays"
> module_verbose=3D"2"
> net.inet.tcp.soreceive_stream=3D"1"
> net.link.ifqmaxlen=3D"256"
> nextboot_conf=3D"/boot/nextboot.conf"
> ram_blacklist_load=3D"NO"
> ram_blacklist_name=3D"/boot/blacklist.txt"
> ram_blacklist_type=3D"ram_blacklist"
> screensave_load=3D"NO"
> screensave_name=3D"green_saver"
> script.lang=3D"lua"
> smbios.bios.reldate=3D"06/16/2021"
> smbios.bios.revision=3D"0.0"
> smbios.bios.vendor=3D"EFI Development Kit II / OVMF"
> smbios.bios.version=3D"1.5.1"
> smbios.chassis.maker=3D"QEMU"
> smbios.chassis.tag=3D"OracleCloud.com"
> smbios.chassis.type=3D"Other"
> smbios.chassis.version=3D"virt-4.2"
> smbios.memory.enabled=3D"25165824"
> smbios.socket.enabled=3D"1"
> smbios.socket.populated=3D"1"
> smbios.system.maker=3D"QEMU"
> smbios.system.product=3D"KVM Virtual Machine"
> smbios.system.uuid=3D"14fd7a5a-8f68-44d4-88b6-68498f8b55fb"
> smbios.system.version=3D"virt-4.2"
> smbios.version=3D"3.0"
> splash=3D"/boot/images/freebsd-logo-rev.png"
> splash_bmp_load=3D"NO"
> splash_pcx_load=3D"NO"
> splash_txt_load=3D"NO"
> tcp_rack_load=3D"YES"
> tcphpts_load=3D"YES"
> twiddle_divisor=3D"16"
> verbose_loading=3D"NO"
> vesa_load=3D"NO"
> vfs.root.mountfrom=3D"zfs:zroot/ROOT/2024-11-06-084833"
> vm.exec_map_entries=3D"32"
> xz_load=3D"YES"
> zfs-bootonce=3D"zfs:zroot/ROOT/2024-11-06-084833:"
> zfs_be_active=3D"zfs:zroot/ROOT/2024-10-14-160358"
> zfs_be_currpage=3D"1"
> zfs_be_root=3D"zroot/ROOT"
> zfs_load=3D"YES"
>
>
> (2) sudo efivar --device-path 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConIn
>
>
> 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConIn
> :
> UsbHID(0xffff,0xffff,0x1,0x1),/VenHw(d3987d4b-971a-435f-8caf-4967eb627241=
)/Uart(38400,8,N,1)/VenVt100()
>
>
> (3) sudo efivar --device-path 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConOut
>
>
> 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConOut
> :
> PciRoot(0x0)/Pci(0x1,0x0)/AcpiAdr(0x80010300),/VenHw(d3987d4b-971a-435f-8=
caf-4967eb627241)/Uart(38400,8,N,1)/VenVt100()
>

Oh and a dmesg?

Warner

>
> Bye,
> Alexander.
>
>
> Warner
>
> On Thu, Nov 7, 2024 at 2:41=E2=80=AFPM Alexander Leidinger <
> Alexander@leidinger.net> wrote:
>
> Am 2024-11-07 20:59, schrieb Warner Losh:
>
>
>
> On Wed, Nov 6, 2024 at 3:41=E2=80=AFAM Alexander Leidinger <
> Alexander@leidinger.net> wrote:
>
> Am 2024-11-02 17:08, schrieb Warner Losh:
>
>
>
> On Sat, Nov 2, 2024, 10:03=E2=80=AFAM Alexander Leidinger <Alexander@leid=
inger.net>
> wrote:
>
> Am 2024-10-30 22:11, schrieb Alexander Leidinger:
>
> > WARNING! Trying to fire up the kernel, but no device tree blob found!
>
> For anyone interested, I opened
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282493 for this.
>
>
> Yea. This is a hang or a bad console. The warning is lame and misleading.
>
> Can you bisect?
>
> Found it.
>
> # git bisect bad
> c87b3f0006be9ac5813f1ff636f18c9b4a41b08e is the first bad commit
> commit c87b3f0006be9ac5813f1ff636f18c9b4a41b08e (HEAD)
> Author: Warner Losh <imp@FreeBSD.org>
> Date:   Mon Oct 14 15:58:10 2024 -0600
>
>     uart: uart_getenv: check for NULL class last, not first
>
>     This allows one to specify dt:XXXX when the default class isn't
> compiled
>     into the kernel. It's not an error to not have a class until we're do=
ne
>     parsing the spec, so defer checking until then.
>
>     Sponsored by:           Netflix
>     Reviewed by:            adrian, andrew, markj
>     Differential Revision:  https://reviews.freebsd.org/D47078
>
>  sys/dev/uart/uart_subr.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
>
> -current as of today without this change boots just fine on the Ampere
> system in the Oracle cloud.
>
>
> what's your loader.conf? this should only matter if something is set
> there...
>
> loader.conf:
>
> autoboot_delay=3D"1"
> hw.usb.no_boot_wait=3D"0"
> beastie_disable=3D"YES"
> boot_serial=3D"YES"
> loader_logo=3D"none"
> cryptodev_load=3D"YES"
> xz_load=3D"YES"
> zfs_load=3D"YES"
> geom_eli_load=3D"YES"
>
> tcphpts_load=3D"yes"
> tcp_rack_load=3D"YES"
>
> hw.mca.enabled=3D"1"
> vm.exec_map_entries=3D"32"
>
> net.link.ifqmaxlen=3D"256"
> net.inet.tcp.soreceive_stream=3D"1"
> kern.random.fortuna.concurrent_read=3D"1"
> kern.msgbuf_show_timestamp=3D"1"
>
> Bye,
> Alexander.
> --
> http://www.Leidinger.net Alexander@Leidinger.net:
> <#m_-4440668305350821778_NOP> PGP 0x8F31830F9F2772BF
> http://www.FreeBSD.org    netchild@FreeBSD.org  : PGP 0x8F31830F9F2772BF
>
>
> --
> http://www.Leidinger.net Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF
> http://www.FreeBSD.org    netchild@FreeBSD.org  : PGP 0x8F31830F9F2772BF
>

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<div dir=3D"auto"><br><br><br><div class=3D"gmail_quote" dir=3D"auto"><div =
dir=3D"ltr" class=3D"gmail_attr">On Fri, Nov 8, 2024, 12:34=E2=80=AFAM Alex=
ander Leidinger &lt;<a href=3D"mailto:Alexander@leidinger.net">Alexander@le=
idinger.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div sty=
le=3D"font-size:10pt;font-family:Verdana,Geneva,sans-serif">
<p id=3D"m_-4440668305350821778reply-intro">Am 2024-11-08 05:46, schrieb Wa=
rner Losh:</p>
<blockquote type=3D"cite" style=3D"padding:0 0.4em;border-left:#1010ff 2px =
solid;margin:0">
<div id=3D"m_-4440668305350821778replybody1">
<div dir=3D"ltr">OK. I&#39;m confused... but no matter.=C2=A0
<div>=C2=A0</div>
<div>Three more things to help...=C2=A0</div>
<div>(1) kenv after boot with a fixed kernel</div>
</div>
</div>
</blockquote>
<div id=3D"m_-4440668305350821778replybody1">
<div dir=3D"ltr">
<div>=C2=A0</div>
<div>COLUMNS=3D&quot;100&quot;<br>LINES=3D&quot;31&quot;<br>acpi.oem=3D&quo=
t;BOCHS &quot;<br>acpi.revision=3D&quot;2&quot;<br>acpi.rsdp=3D&quot;0x0000=
0006385c0018&quot;<br>acpi.rsdt=3D&quot;0x0000000000000000&quot;<br>acpi.xs=
dt=3D&quot;0x00000006385cfe98&quot;<br>acpi.xsdt_length=3D&quot;36&quot;<br=
>acpi_dsdt_load=3D&quot;NO&quot;<br>acpi_dsdt_name=3D&quot;/boot/acpi_dsdt.=
aml&quot;<br>acpi_dsdt_type=3D&quot;acpi_dsdt&quot;<br>acpi_video_load=3D&q=
uot;NO&quot;<br>audit_event_load=3D&quot;NO&quot;<br>audit_event_name=3D&qu=
ot;/etc/security/audit_event&quot;<br>audit_event_type=3D&quot;etc_security=
_audit_event&quot;<br>autoboot_delay=3D&quot;1&quot;<br>beastie_disable=3D&=
quot;YES&quot;<br>bitmap_load=3D&quot;NO&quot;<br>bitmap_name=3D&quot;splas=
h.bmp&quot;<br>bitmap_type=3D&quot;splash_image_data&quot;<br>boot_multicon=
s=3D&quot;YES&quot;<br>boot_serial=3D&quot;YES&quot;<br>bootenv_autolist=3D=
&quot;YES&quot;<br>bootenvs[0]=3D&quot;zfs:zroot/ROOT/2024-10-30-121420_ko&=
quot;<br>bootenvs[10]=3D&quot;zfs:zroot/ROOT/2024-07-15-110946&quot;<br>boo=
tenvs[11]=3D&quot;zfs:zroot/ROOT/2024-09-12-140543&quot;<br>bootenvs[1]=3D&=
quot;zfs:zroot/ROOT/2024-10-14-233343_ko&quot;<br>bootenvs[2]=3D&quot;zfs:z=
root/ROOT/2024-10-14-160359&quot;<br>bootenvs[3]=3D&quot;zfs:zroot/ROOT/202=
4-10-14-160358&quot;<br>bootenvs[4]=3D&quot;zfs:zroot/ROOT/2024-10-13-23230=
8&quot;<br>bootenvs[5]=3D&quot;zfs:zroot/ROOT/2024-10-14-102617&quot;<br>bo=
otenvs[6]=3D&quot;zfs:zroot/ROOT/2024-10-11-084349&quot;<br>bootenvs[7]=3D&=
quot;zfs:zroot/ROOT/2024-11-06-084833&quot;<br>bootenvs[8]=3D&quot;zfs:zroo=
t/ROOT/2024-08-15-222928&quot;<br>bootenvs[9]=3D&quot;zfs:zroot/ROOT/2024-0=
7-16-094205&quot;<br>bootenvs_count=3D&quot;12&quot;<br>bootfile=3D&quot;ke=
rnel&quot;<br>console=3D&quot;efi&quot;<br>cpu_microcode_load=3D&quot;NO&qu=
ot;<br>cpu_microcode_name=3D&quot;/boot/firmware/ucode.bin&quot;<br>cpu_mic=
rocode_type=3D&quot;cpu_microcode&quot;<br>cryptodev_load=3D&quot;YES&quot;=
<br>currdev=3D&quot;zfs:zroot/ROOT/2024-11-06-084833:&quot;<br>efi-version=
=3D&quot;2.70&quot;<br>efi_com_port=3D&quot;0&quot;<br>efi_com_speed=3D&quo=
t;38400&quot;<br>efi_max_resolution=3D&quot;1x1&quot;<br>entropy_cache_load=
=3D&quot;YES&quot;<br>entropy_cache_name=3D&quot;/boot/entropy&quot;<br>ent=
ropy_cache_type=3D&quot;boot_entropy_cache&quot;<br>entropy_efi_seed=3D&quo=
t;YES&quot;<br>entropy_efi_seed_size=3D&quot;2048&quot;<br>geom_eli_load=3D=
&quot;YES&quot;<br>hint.acpi.0.disabled=3D&quot;0&quot;<br>hint.smbios.0.me=
m=3D&quot;0x63bed0000&quot;<br>hostuuid_load=3D&quot;YES&quot;<br>hostuuid_=
name=3D&quot;/etc/hostid&quot;</div>
<div>hostuuid_type=3D&quot;hostuuid&quot;<br>hw.mca.enabled=3D&quot;1&quot;=
<br>hw.uart.console=3D&quot;db:8,dt:pl011,mm:0x9000000,rs:0,rw:1,pa:none,br=
:9600,xo=3D0&quot;<br>hw.usb.no_boot_wait=3D&quot;0&quot;<br>kern.msgbuf_sh=
ow_timestamp=3D&quot;1&quot;<br>kern.random.fortuna.concurrent_read=3D&quot=
;1&quot;<br>kernel=3D&quot;kernel&quot;<br>kernel_options=3D&quot;&quot;<br=
>kernel_path=3D&quot;/boot/kernel&quot;<br>kernelname=3D&quot;/boot/kernel/=
kernel&quot;<br>kernels_autodetect=3D&quot;YES&quot;<br>loaddev=3D&quot;zfs=
:zroot/ROOT/2024-11-06-084833:&quot;<br>loader.efi=3D&quot;1&quot;<br>loade=
r_conf_dirs=3D&quot;/boot/loader.conf.d&quot;<br>loader_logo=3D&quot;none&q=
uot;<br>local_loader_conf_files=3D&quot;/boot/loader.conf.local&quot;<br>mo=
dule_blacklist=3D&quot;drm drm2 radeonkms i915kms amdgpu&quot;<br>module_pa=
th=3D&quot;/boot/kernel;/boot/modules;/boot/dtb;/boot/dtb/overlays&quot;<br=
>module_verbose=3D&quot;2&quot;<br>net.inet.tcp.soreceive_stream=3D&quot;1&=
quot;<br>net.link.ifqmaxlen=3D&quot;256&quot;<br>nextboot_conf=3D&quot;/boo=
t/nextboot.conf&quot;<br>ram_blacklist_load=3D&quot;NO&quot;<br>ram_blackli=
st_name=3D&quot;/boot/blacklist.txt&quot;<br>ram_blacklist_type=3D&quot;ram=
_blacklist&quot;<br>screensave_load=3D&quot;NO&quot;<br>screensave_name=3D&=
quot;green_saver&quot;<br>script.lang=3D&quot;lua&quot;<br>smbios.bios.reld=
ate=3D&quot;06/16/2021&quot;<br>smbios.bios.revision=3D&quot;0.0&quot;<br>s=
mbios.bios.vendor=3D&quot;EFI Development Kit II / OVMF&quot;<br>smbios.bio=
s.version=3D&quot;1.5.1&quot;<br>smbios.chassis.maker=3D&quot;QEMU&quot;<br=
>smbios.chassis.tag=3D&quot;OracleCloud.com&quot;<br>smbios.chassis.type=3D=
&quot;Other&quot;<br>smbios.chassis.version=3D&quot;virt-4.2&quot;<br>smbio=
s.memory.enabled=3D&quot;25165824&quot;<br>smbios.socket.enabled=3D&quot;1&=
quot;<br>smbios.socket.populated=3D&quot;1&quot;<br>smbios.system.maker=3D&=
quot;QEMU&quot;<br>smbios.system.product=3D&quot;KVM Virtual Machine&quot;<=
br>smbios.system.uuid=3D&quot;14fd7a5a-8f68-44d4-88b6-68498f8b55fb&quot;<br=
>smbios.system.version=3D&quot;virt-4.2&quot;<br>smbios.version=3D&quot;3.0=
&quot;<br>splash=3D&quot;/boot/images/freebsd-logo-rev.png&quot;<br>splash_=
bmp_load=3D&quot;NO&quot;<br>splash_pcx_load=3D&quot;NO&quot;<br>splash_txt=
_load=3D&quot;NO&quot;<br>tcp_rack_load=3D&quot;YES&quot;<br>tcphpts_load=
=3D&quot;YES&quot;<br>twiddle_divisor=3D&quot;16&quot;<br>verbose_loading=
=3D&quot;NO&quot;<br>vesa_load=3D&quot;NO&quot;<br>vfs.root.mountfrom=3D&qu=
ot;zfs:zroot/ROOT/2024-11-06-084833&quot;<br>vm.exec_map_entries=3D&quot;32=
&quot;<br>xz_load=3D&quot;YES&quot;<br>zfs-bootonce=3D&quot;zfs:zroot/ROOT/=
2024-11-06-084833:&quot;</div>
<div>zfs_be_active=3D&quot;zfs:zroot/ROOT/2024-10-14-160358&quot;<br>zfs_be=
_currpage=3D&quot;1&quot;<br>zfs_be_root=3D&quot;zroot/ROOT&quot;<br>zfs_lo=
ad=3D&quot;YES&quot;</div>
<div>=C2=A0</div>
</div>
</div>
<blockquote type=3D"cite" style=3D"padding:0 0.4em;border-left:#1010ff 2px =
solid;margin:0">
<div id=3D"m_-4440668305350821778replybody1">
<div dir=3D"ltr">
<div>(2) sudo efivar --device-path 8be4df61-93ca-11d2-aa0d-00e098032b8c-Con=
In</div>
</div>
</div>
</blockquote>
<div id=3D"m_-4440668305350821778replybody1">
<div dir=3D"ltr">
<div>=C2=A0</div>
<div>8be4df61-93ca-11d2-aa0d-00e098032b8c-ConIn</div>
<div>: UsbHID(0xffff,0xffff,0x1,0x1),/VenHw(d3987d4b-971a-435f-8caf-4967eb6=
27241)/Uart(38400,8,N,1)/VenVt100()</div>
<div>=C2=A0</div>
</div>
</div>
<blockquote type=3D"cite" style=3D"padding:0 0.4em;border-left:#1010ff 2px =
solid;margin:0">
<div id=3D"m_-4440668305350821778replybody1">
<div dir=3D"ltr">
<div>(3) sudo efivar --device-path 8be4df61-93ca-11d2-aa0d-00e098032b8c-Con=
Out</div>
</div>
</div>
</blockquote>
<div id=3D"m_-4440668305350821778replybody1">
<div dir=3D"ltr">
<div>=C2=A0</div>
<div>8be4df61-93ca-11d2-aa0d-00e098032b8c-ConOut<br>: PciRoot(0x0)/Pci(0x1,=
0x0)/AcpiAdr(0x80010300),/VenHw(d3987d4b-971a-435f-8caf-4967eb627241)/Uart(=
38400,8,N,1)/VenVt100()</div>
<div></div></div></div></div></blockquote></div><div dir=3D"auto"><br></div=
><div dir=3D"auto">Oh and a dmesg?</div><div dir=3D"auto"><br></div><div di=
r=3D"auto">Warner=C2=A0</div><div class=3D"gmail_quote" dir=3D"auto"><block=
quote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc=
 solid;padding-left:1ex"><div style=3D"font-size:10pt;font-family:Verdana,G=
eneva,sans-serif"><div id=3D"m_-4440668305350821778replybody1"><div dir=3D"=
ltr"><div><br></div>
<div>Bye,</div>
<div>Alexander.</div>
</div>
</div>
<div id=3D"m_-4440668305350821778replybody1">
<div dir=3D"ltr">
<div>=C2=A0</div>
</div>
</div>
<blockquote type=3D"cite" style=3D"padding:0 0.4em;border-left:#1010ff 2px =
solid;margin:0">
<div id=3D"m_-4440668305350821778replybody1">
<div dir=3D"ltr">
<div>Warner</div>
</div>
<br>
<div>
<div dir=3D"ltr">On Thu, Nov 7, 2024 at 2:41=E2=80=AFPM Alexander Leidinger=
 &lt;<a href=3D"mailto:Alexander@leidinger.net" rel=3D"noreferrer noreferre=
r" target=3D"_blank">Alexander@leidinger.net</a>&gt; wrote:</div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid #cccccc=
;padding-left:1ex">
<div style=3D"font-size:10pt;font-family:Verdana,Geneva,sans-serif">
<p id=3D"m_-4440668305350821778v1m_4714275516160504349m_-108016561965671226=
7reply-intro">Am 2024-11-07 20:59, schrieb Warner Losh:</p>
<blockquote style=3D"padding:0px 0.4em;border-left:2px solid #1010ff;margin=
:0px">
<div id=3D"m_-4440668305350821778v1m_4714275516160504349m_-1080165619656712=
267replybody1">
<div dir=3D"ltr">
<div dir=3D"ltr">=C2=A0</div>
<br>
<div>
<div dir=3D"ltr">On Wed, Nov 6, 2024 at 3:41=E2=80=AFAM Alexander Leidinger=
 &lt;<a href=3D"mailto:Alexander@leidinger.net" rel=3D"noreferrer noreferre=
r" target=3D"_blank">Alexander@leidinger.net</a>&gt; wrote:</div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid #cccccc=
;padding-left:1ex">
<div style=3D"font-size:10pt;font-family:Verdana,Geneva,sans-serif">
<div style=3D"font-size:10pt;font-family:Verdana,Geneva,sans-serif">
<p id=3D"m_-4440668305350821778v1m_4714275516160504349m_-108016561965671226=
7v1m_33128641647853291v1reply-intro">Am 2024-11-02 17:08, schrieb Warner Lo=
sh:</p>
<blockquote style=3D"padding:0px 0.4em;border-left:2px solid #1010ff;margin=
:0px">
<div id=3D"m_-4440668305350821778v1m_4714275516160504349m_-1080165619656712=
267v1m_33128641647853291v1replybody1">
<div dir=3D"auto">
<div><br><br>
<div>
<div dir=3D"ltr">On Sat, Nov 2, 2024, 10:03=E2=80=AFAM Alexander Leidinger =
&lt;<a href=3D"mailto:Alexander@leidinger.net" rel=3D"noreferrer noreferrer=
" target=3D"_blank">Alexander@leidinger.net</a>&gt; wrote:</div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid #cccccc=
;padding-left:1ex">Am 2024-10-30 22:11, schrieb Alexander Leidinger:<br><br=
>&gt; WARNING! Trying to fire up the kernel, but no device tree blob found!=
<br><br>For anyone interested, I opened <br><a href=3D"https://bugs.freebsd=
.org/bugzilla/show_bug.cgi?id=3D282493" rel=3D"noopener noreferrer noreferr=
er" target=3D"_blank">https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D2=
82493</a> for this.</blockquote>
</div>
</div>
<div dir=3D"auto">=C2=A0</div>
<div dir=3D"auto">Yea. This is a hang or a bad console. The warning is lame=
 and misleading.</div>
<div dir=3D"auto">=C2=A0</div>
<div dir=3D"auto">Can you bisect?</div>
</div>
</div>
</blockquote>
<p>Found it.</p>
<p style=3D"padding-left:40px"># git bisect bad<br>c87b3f0006be9ac5813f1ff6=
36f18c9b4a41b08e is the first bad commit<br>commit c87b3f0006be9ac5813f1ff6=
36f18c9b4a41b08e (HEAD)<br>Author: Warner Losh &lt;imp@FreeBSD.org&gt;<br>D=
ate: =C2=A0 Mon Oct 14 15:58:10 2024 -0600</p>
<p style=3D"padding-left:40px">=C2=A0 =C2=A0 uart: uart_getenv: check for N=
ULL class last, not first</p>
<p style=3D"padding-left:40px">=C2=A0 =C2=A0 This allows one to specify dt:=
XXXX when the default class isn&#39;t compiled<br>=C2=A0 =C2=A0 into the ke=
rnel. It&#39;s not an error to not have a class until we&#39;re done<br>=C2=
=A0 =C2=A0 parsing the spec, so defer checking until then.</p>
<p style=3D"padding-left:40px">=C2=A0 =C2=A0 Sponsored by: =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 Netflix<br>=C2=A0 =C2=A0 Reviewed by: =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0adrian, andrew, markj<br>=C2=A0 =C2=A0 Different=
ial Revision: =C2=A0<a href=3D"https://reviews.freebsd.org/D47078" rel=3D"n=
oopener noreferrer noreferrer" target=3D"_blank">https://reviews.freebsd.or=
g/D47078</a></p>
<p style=3D"padding-left:40px">=C2=A0sys/dev/uart/uart_subr.c | 14 +++++++-=
------<br>=C2=A01 file changed, 7 insertions(+), 7 deletions(-)</p>
<p>-current as of today without this change boots just fine on the Ampere s=
ystem in the Oracle cloud.</p>
</div>
</div>
</blockquote>
<div>=C2=A0</div>
<div>what&#39;s your loader.conf? this should only matter if something is s=
et there...=C2=A0=C2=A0</div>
</div>
</div>
</div>
</blockquote>
<p>loader.conf:</p>
<p style=3D"padding-left:40px">autoboot_delay=3D&quot;1&quot;<br>hw.usb.no_=
boot_wait=3D&quot;0&quot;<br>beastie_disable=3D&quot;YES&quot;<br>boot_seri=
al=3D&quot;YES&quot;<br>loader_logo=3D&quot;none&quot;<br>cryptodev_load=3D=
&quot;YES&quot;<br>xz_load=3D&quot;YES&quot;<br>zfs_load=3D&quot;YES&quot;<=
br>geom_eli_load=3D&quot;YES&quot;</p>
<p style=3D"padding-left:40px">tcphpts_load=3D&quot;yes&quot;<br>tcp_rack_l=
oad=3D&quot;YES&quot;</p>
<p style=3D"padding-left:40px">hw.mca.enabled=3D&quot;1&quot;<br>vm.exec_ma=
p_entries=3D&quot;32&quot;</p>
<p style=3D"padding-left:40px">net.link.ifqmaxlen=3D&quot;256&quot;<br>net.=
inet.tcp.soreceive_stream=3D&quot;1&quot;<br>kern.random.fortuna.concurrent=
_read=3D&quot;1&quot;<br>kern.msgbuf_show_timestamp=3D&quot;1&quot;</p>
<p>Bye,<br>Alexander.</p>
<div id=3D"m_-4440668305350821778v1m_4714275516160504349m_-1080165619656712=
267signature">-- <br>
<div style=3D"margin:0px;padding:0px;font-family:monospace"><a href=3D"http=
://www.Leidinger.net" rel=3D"noopener noreferrer noreferrer" target=3D"_bla=
nk">http://www.Leidinger.net</a>; <a href=3D"#m_-4440668305350821778_NOP" re=
l=3D"noreferrer">Alexander@Leidinger.net:</a> PGP 0x8F31830F9F2772BF<br><a =
href=3D"http://www.FreeBSD.org" rel=3D"noopener noreferrer noreferrer" targ=
et=3D"_blank">http://www.FreeBSD.org</a>; =C2=A0 =C2=A0<a href=3D"mailto:net=
child@FreeBSD.org" rel=3D"noreferrer noreferrer" target=3D"_blank">netchild=
@FreeBSD.org</a> =C2=A0: PGP 0x8F31830F9F2772BF</div>
</div>
</div>
</blockquote>
</div>
</div>
</blockquote>
<p><br></p>
<div id=3D"m_-4440668305350821778signature">-- <br>
<div style=3D"margin:0;padding:0;font-family:monospace"><a href=3D"http://w=
ww.Leidinger.net" rel=3D"noopener noreferrer noreferrer" target=3D"_blank">=
http://www.Leidinger.net</a>; <a href=3D"mailto:Alexander@Leidinger.net:" ta=
rget=3D"_blank" rel=3D"noreferrer">Alexander@Leidinger.net:</a> PGP 0x8F318=
30F9F2772BF<br><a href=3D"http://www.FreeBSD.org" rel=3D"noopener noreferre=
r noreferrer" target=3D"_blank">http://www.FreeBSD.org</a>; =C2=A0 =C2=A0<a =
href=3D"mailto:netchild@FreeBSD.org" target=3D"_blank" rel=3D"noreferrer">n=
etchild@FreeBSD.org</a> =C2=A0: PGP 0x8F31830F9F2772BF</div>
</div>
</div>
</blockquote></div></div>

--000000000000aceb92062666b75b--



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