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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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[-- Attachment #1 --]
On Fri, Nov 8, 2024, 12:34 AM Alexander Leidinger <Alexander@leidinger.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="100"
> LINES="31"
> acpi.oem="BOCHS "
> acpi.revision="2"
> acpi.rsdp="0x00000006385c0018"
> acpi.rsdt="0x0000000000000000"
> acpi.xsdt="0x00000006385cfe98"
> acpi.xsdt_length="36"
> acpi_dsdt_load="NO"
> acpi_dsdt_name="/boot/acpi_dsdt.aml"
> acpi_dsdt_type="acpi_dsdt"
> acpi_video_load="NO"
> audit_event_load="NO"
> audit_event_name="/etc/security/audit_event"
> audit_event_type="etc_security_audit_event"
> autoboot_delay="1"
> beastie_disable="YES"
> bitmap_load="NO"
> bitmap_name="splash.bmp"
> bitmap_type="splash_image_data"
> boot_multicons="YES"
> boot_serial="YES"
> bootenv_autolist="YES"
> bootenvs[0]="zfs:zroot/ROOT/2024-10-30-121420_ko"
> bootenvs[10]="zfs:zroot/ROOT/2024-07-15-110946"
> bootenvs[11]="zfs:zroot/ROOT/2024-09-12-140543"
> bootenvs[1]="zfs:zroot/ROOT/2024-10-14-233343_ko"
> bootenvs[2]="zfs:zroot/ROOT/2024-10-14-160359"
> bootenvs[3]="zfs:zroot/ROOT/2024-10-14-160358"
> bootenvs[4]="zfs:zroot/ROOT/2024-10-13-232308"
> bootenvs[5]="zfs:zroot/ROOT/2024-10-14-102617"
> bootenvs[6]="zfs:zroot/ROOT/2024-10-11-084349"
> bootenvs[7]="zfs:zroot/ROOT/2024-11-06-084833"
> bootenvs[8]="zfs:zroot/ROOT/2024-08-15-222928"
> bootenvs[9]="zfs:zroot/ROOT/2024-07-16-094205"
> bootenvs_count="12"
> bootfile="kernel"
> console="efi"
> cpu_microcode_load="NO"
> cpu_microcode_name="/boot/firmware/ucode.bin"
> cpu_microcode_type="cpu_microcode"
> cryptodev_load="YES"
> currdev="zfs:zroot/ROOT/2024-11-06-084833:"
> efi-version="2.70"
> efi_com_port="0"
> efi_com_speed="38400"
> efi_max_resolution="1x1"
> entropy_cache_load="YES"
> entropy_cache_name="/boot/entropy"
> entropy_cache_type="boot_entropy_cache"
> entropy_efi_seed="YES"
> entropy_efi_seed_size="2048"
> geom_eli_load="YES"
> hint.acpi.0.disabled="0"
> hint.smbios.0.mem="0x63bed0000"
> hostuuid_load="YES"
> hostuuid_name="/etc/hostid"
> hostuuid_type="hostuuid"
> hw.mca.enabled="1"
> hw.uart.console="db:8,dt:pl011,mm:0x9000000,rs:0,rw:1,pa:none,br:9600,xo=0"
> hw.usb.no_boot_wait="0"
> kern.msgbuf_show_timestamp="1"
> kern.random.fortuna.concurrent_read="1"
> kernel="kernel"
> kernel_options=""
> kernel_path="/boot/kernel"
> kernelname="/boot/kernel/kernel"
> kernels_autodetect="YES"
> loaddev="zfs:zroot/ROOT/2024-11-06-084833:"
> loader.efi="1"
> loader_conf_dirs="/boot/loader.conf.d"
> loader_logo="none"
> local_loader_conf_files="/boot/loader.conf.local"
> module_blacklist="drm drm2 radeonkms i915kms amdgpu"
> module_path="/boot/kernel;/boot/modules;/boot/dtb;/boot/dtb/overlays"
> module_verbose="2"
> net.inet.tcp.soreceive_stream="1"
> net.link.ifqmaxlen="256"
> nextboot_conf="/boot/nextboot.conf"
> ram_blacklist_load="NO"
> ram_blacklist_name="/boot/blacklist.txt"
> ram_blacklist_type="ram_blacklist"
> screensave_load="NO"
> screensave_name="green_saver"
> script.lang="lua"
> smbios.bios.reldate="06/16/2021"
> smbios.bios.revision="0.0"
> smbios.bios.vendor="EFI Development Kit II / OVMF"
> smbios.bios.version="1.5.1"
> smbios.chassis.maker="QEMU"
> smbios.chassis.tag="OracleCloud.com"
> smbios.chassis.type="Other"
> smbios.chassis.version="virt-4.2"
> smbios.memory.enabled="25165824"
> smbios.socket.enabled="1"
> smbios.socket.populated="1"
> smbios.system.maker="QEMU"
> smbios.system.product="KVM Virtual Machine"
> smbios.system.uuid="14fd7a5a-8f68-44d4-88b6-68498f8b55fb"
> smbios.system.version="virt-4.2"
> smbios.version="3.0"
> splash="/boot/images/freebsd-logo-rev.png"
> splash_bmp_load="NO"
> splash_pcx_load="NO"
> splash_txt_load="NO"
> tcp_rack_load="YES"
> tcphpts_load="YES"
> twiddle_divisor="16"
> verbose_loading="NO"
> vesa_load="NO"
> vfs.root.mountfrom="zfs:zroot/ROOT/2024-11-06-084833"
> vm.exec_map_entries="32"
> xz_load="YES"
> zfs-bootonce="zfs:zroot/ROOT/2024-11-06-084833:"
> zfs_be_active="zfs:zroot/ROOT/2024-10-14-160358"
> zfs_be_currpage="1"
> zfs_be_root="zroot/ROOT"
> zfs_load="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-8caf-4967eb627241)/Uart(38400,8,N,1)/VenVt100()
>

Oh and a dmesg?

Warner

>
> Bye,
> Alexander.
>
>
> Warner
>
> On Thu, Nov 7, 2024 at 2:41 PM Alexander Leidinger <
> Alexander@leidinger.net> wrote:
>
> Am 2024-11-07 20:59, schrieb Warner Losh:
>
>
>
> On Wed, Nov 6, 2024 at 3:41 AM Alexander Leidinger <
> Alexander@leidinger.net> wrote:
>
> Am 2024-11-02 17:08, schrieb Warner Losh:
>
>
>
> On Sat, Nov 2, 2024, 10:03 AM Alexander Leidinger <Alexander@leidinger.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=282493 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 done
>     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="1"
> hw.usb.no_boot_wait="0"
> beastie_disable="YES"
> boot_serial="YES"
> loader_logo="none"
> cryptodev_load="YES"
> xz_load="YES"
> zfs_load="YES"
> geom_eli_load="YES"
>
> tcphpts_load="yes"
> tcp_rack_load="YES"
>
> hw.mca.enabled="1"
> vm.exec_map_entries="32"
>
> net.link.ifqmaxlen="256"
> net.inet.tcp.soreceive_stream="1"
> kern.random.fortuna.concurrent_read="1"
> kern.msgbuf_show_timestamp="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
>

[-- Attachment #2 --]
<div dir="auto"><br><br><br><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr">On Fri, Nov 8, 2024, 12:34 AM Alexander Leidinger &lt;<a href="mailto:Alexander@leidinger.net">Alexander@leidinger.net</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="font-size:10pt;font-family:Verdana,Geneva,sans-serif">
<p id="m_-4440668305350821778reply-intro">Am 2024-11-08 05:46, schrieb Warner Losh:</p>
<blockquote type="cite" style="padding:0 0.4em;border-left:#1010ff 2px solid;margin:0">
<div id="m_-4440668305350821778replybody1">
<div dir="ltr">OK. I&#39;m confused... but no matter. 
<div> </div>
<div>Three more things to help... </div>
<div>(1) kenv after boot with a fixed kernel</div>
</div>
</div>
</blockquote>
<div id="m_-4440668305350821778replybody1">
<div dir="ltr">
<div> </div>
<div>COLUMNS=&quot;100&quot;<br>LINES=&quot;31&quot;<br>acpi.oem=&quot;BOCHS &quot;<br>acpi.revision=&quot;2&quot;<br>acpi.rsdp=&quot;0x00000006385c0018&quot;<br>acpi.rsdt=&quot;0x0000000000000000&quot;<br>acpi.xsdt=&quot;0x00000006385cfe98&quot;<br>acpi.xsdt_length=&quot;36&quot;<br>acpi_dsdt_load=&quot;NO&quot;<br>acpi_dsdt_name=&quot;/boot/acpi_dsdt.aml&quot;<br>acpi_dsdt_type=&quot;acpi_dsdt&quot;<br>acpi_video_load=&quot;NO&quot;<br>audit_event_load=&quot;NO&quot;<br>audit_event_name=&quot;/etc/security/audit_event&quot;<br>audit_event_type=&quot;etc_security_audit_event&quot;<br>autoboot_delay=&quot;1&quot;<br>beastie_disable=&quot;YES&quot;<br>bitmap_load=&quot;NO&quot;<br>bitmap_name=&quot;splash.bmp&quot;<br>bitmap_type=&quot;splash_image_data&quot;<br>boot_multicons=&quot;YES&quot;<br>boot_serial=&quot;YES&quot;<br>bootenv_autolist=&quot;YES&quot;<br>bootenvs[0]=&quot;zfs:zroot/ROOT/2024-10-30-121420_ko&quot;<br>bootenvs[10]=&quot;zfs:zroot/ROOT/2024-07-15-110946&quot;<br>bootenvs[11]=&quot;zfs:zroot/ROOT/2024-09-12-140543&quot;<br>bootenvs[1]=&quot;zfs:zroot/ROOT/2024-10-14-233343_ko&quot;<br>bootenvs[2]=&quot;zfs:zroot/ROOT/2024-10-14-160359&quot;<br>bootenvs[3]=&quot;zfs:zroot/ROOT/2024-10-14-160358&quot;<br>bootenvs[4]=&quot;zfs:zroot/ROOT/2024-10-13-232308&quot;<br>bootenvs[5]=&quot;zfs:zroot/ROOT/2024-10-14-102617&quot;<br>bootenvs[6]=&quot;zfs:zroot/ROOT/2024-10-11-084349&quot;<br>bootenvs[7]=&quot;zfs:zroot/ROOT/2024-11-06-084833&quot;<br>bootenvs[8]=&quot;zfs:zroot/ROOT/2024-08-15-222928&quot;<br>bootenvs[9]=&quot;zfs:zroot/ROOT/2024-07-16-094205&quot;<br>bootenvs_count=&quot;12&quot;<br>bootfile=&quot;kernel&quot;<br>console=&quot;efi&quot;<br>cpu_microcode_load=&quot;NO&quot;<br>cpu_microcode_name=&quot;/boot/firmware/ucode.bin&quot;<br>cpu_microcode_type=&quot;cpu_microcode&quot;<br>cryptodev_load=&quot;YES&quot;<br>currdev=&quot;zfs:zroot/ROOT/2024-11-06-084833:&quot;<br>efi-version=&quot;2.70&quot;<br>efi_com_port=&quot;0&quot;<br>efi_com_speed=&quot;38400&quot;<br>efi_max_resolution=&quot;1x1&quot;<br>entropy_cache_load=&quot;YES&quot;<br>entropy_cache_name=&quot;/boot/entropy&quot;<br>entropy_cache_type=&quot;boot_entropy_cache&quot;<br>entropy_efi_seed=&quot;YES&quot;<br>entropy_efi_seed_size=&quot;2048&quot;<br>geom_eli_load=&quot;YES&quot;<br>hint.acpi.0.disabled=&quot;0&quot;<br>hint.smbios.0.mem=&quot;0x63bed0000&quot;<br>hostuuid_load=&quot;YES&quot;<br>hostuuid_name=&quot;/etc/hostid&quot;</div>
<div>hostuuid_type=&quot;hostuuid&quot;<br>hw.mca.enabled=&quot;1&quot;<br>hw.uart.console=&quot;db:8,dt:pl011,mm:0x9000000,rs:0,rw:1,pa:none,br:9600,xo=0&quot;<br>hw.usb.no_boot_wait=&quot;0&quot;<br>kern.msgbuf_show_timestamp=&quot;1&quot;<br>kern.random.fortuna.concurrent_read=&quot;1&quot;<br>kernel=&quot;kernel&quot;<br>kernel_options=&quot;&quot;<br>kernel_path=&quot;/boot/kernel&quot;<br>kernelname=&quot;/boot/kernel/kernel&quot;<br>kernels_autodetect=&quot;YES&quot;<br>loaddev=&quot;zfs:zroot/ROOT/2024-11-06-084833:&quot;<br>loader.efi=&quot;1&quot;<br>loader_conf_dirs=&quot;/boot/loader.conf.d&quot;<br>loader_logo=&quot;none&quot;<br>local_loader_conf_files=&quot;/boot/loader.conf.local&quot;<br>module_blacklist=&quot;drm drm2 radeonkms i915kms amdgpu&quot;<br>module_path=&quot;/boot/kernel;/boot/modules;/boot/dtb;/boot/dtb/overlays&quot;<br>module_verbose=&quot;2&quot;<br>net.inet.tcp.soreceive_stream=&quot;1&quot;<br>net.link.ifqmaxlen=&quot;256&quot;<br>nextboot_conf=&quot;/boot/nextboot.conf&quot;<br>ram_blacklist_load=&quot;NO&quot;<br>ram_blacklist_name=&quot;/boot/blacklist.txt&quot;<br>ram_blacklist_type=&quot;ram_blacklist&quot;<br>screensave_load=&quot;NO&quot;<br>screensave_name=&quot;green_saver&quot;<br>script.lang=&quot;lua&quot;<br>smbios.bios.reldate=&quot;06/16/2021&quot;<br>smbios.bios.revision=&quot;0.0&quot;<br>smbios.bios.vendor=&quot;EFI Development Kit II / OVMF&quot;<br>smbios.bios.version=&quot;1.5.1&quot;<br>smbios.chassis.maker=&quot;QEMU&quot;<br>smbios.chassis.tag=&quot;OracleCloud.com&quot;<br>smbios.chassis.type=&quot;Other&quot;<br>smbios.chassis.version=&quot;virt-4.2&quot;<br>smbios.memory.enabled=&quot;25165824&quot;<br>smbios.socket.enabled=&quot;1&quot;<br>smbios.socket.populated=&quot;1&quot;<br>smbios.system.maker=&quot;QEMU&quot;<br>smbios.system.product=&quot;KVM Virtual Machine&quot;<br>smbios.system.uuid=&quot;14fd7a5a-8f68-44d4-88b6-68498f8b55fb&quot;<br>smbios.system.version=&quot;virt-4.2&quot;<br>smbios.version=&quot;3.0&quot;<br>splash=&quot;/boot/images/freebsd-logo-rev.png&quot;<br>splash_bmp_load=&quot;NO&quot;<br>splash_pcx_load=&quot;NO&quot;<br>splash_txt_load=&quot;NO&quot;<br>tcp_rack_load=&quot;YES&quot;<br>tcphpts_load=&quot;YES&quot;<br>twiddle_divisor=&quot;16&quot;<br>verbose_loading=&quot;NO&quot;<br>vesa_load=&quot;NO&quot;<br>vfs.root.mountfrom=&quot;zfs:zroot/ROOT/2024-11-06-084833&quot;<br>vm.exec_map_entries=&quot;32&quot;<br>xz_load=&quot;YES&quot;<br>zfs-bootonce=&quot;zfs:zroot/ROOT/2024-11-06-084833:&quot;</div>
<div>zfs_be_active=&quot;zfs:zroot/ROOT/2024-10-14-160358&quot;<br>zfs_be_currpage=&quot;1&quot;<br>zfs_be_root=&quot;zroot/ROOT&quot;<br>zfs_load=&quot;YES&quot;</div>
<div> </div>
</div>
</div>
<blockquote type="cite" style="padding:0 0.4em;border-left:#1010ff 2px solid;margin:0">
<div id="m_-4440668305350821778replybody1">
<div dir="ltr">
<div>(2) sudo efivar --device-path 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConIn</div>
</div>
</div>
</blockquote>
<div id="m_-4440668305350821778replybody1">
<div dir="ltr">
<div> </div>
<div>8be4df61-93ca-11d2-aa0d-00e098032b8c-ConIn</div>
<div>: UsbHID(0xffff,0xffff,0x1,0x1),/VenHw(d3987d4b-971a-435f-8caf-4967eb627241)/Uart(38400,8,N,1)/VenVt100()</div>
<div> </div>
</div>
</div>
<blockquote type="cite" style="padding:0 0.4em;border-left:#1010ff 2px solid;margin:0">
<div id="m_-4440668305350821778replybody1">
<div dir="ltr">
<div>(3) sudo efivar --device-path 8be4df61-93ca-11d2-aa0d-00e098032b8c-ConOut</div>
</div>
</div>
</blockquote>
<div id="m_-4440668305350821778replybody1">
<div dir="ltr">
<div> </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="auto"><br></div><div dir="auto">Oh and a dmesg?</div><div dir="auto"><br></div><div dir="auto">Warner </div><div class="gmail_quote" dir="auto"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="font-size:10pt;font-family:Verdana,Geneva,sans-serif"><div id="m_-4440668305350821778replybody1"><div dir="ltr"><div><br></div>
<div>Bye,</div>
<div>Alexander.</div>
</div>
</div>
<div id="m_-4440668305350821778replybody1">
<div dir="ltr">
<div> </div>
</div>
</div>
<blockquote type="cite" style="padding:0 0.4em;border-left:#1010ff 2px solid;margin:0">
<div id="m_-4440668305350821778replybody1">
<div dir="ltr">
<div>Warner</div>
</div>
<br>
<div>
<div dir="ltr">On Thu, Nov 7, 2024 at 2:41 PM Alexander Leidinger &lt;<a href="mailto:Alexander@leidinger.net" rel="noreferrer noreferrer" target="_blank">Alexander@leidinger.net</a>&gt; wrote:</div>
<blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid #cccccc;padding-left:1ex">
<div style="font-size:10pt;font-family:Verdana,Geneva,sans-serif">
<p id="m_-4440668305350821778v1m_4714275516160504349m_-1080165619656712267reply-intro">Am 2024-11-07 20:59, schrieb Warner Losh:</p>
<blockquote style="padding:0px 0.4em;border-left:2px solid #1010ff;margin:0px">
<div id="m_-4440668305350821778v1m_4714275516160504349m_-1080165619656712267replybody1">
<div dir="ltr">
<div dir="ltr"> </div>
<br>
<div>
<div dir="ltr">On Wed, Nov 6, 2024 at 3:41 AM Alexander Leidinger &lt;<a href="mailto:Alexander@leidinger.net" rel="noreferrer noreferrer" target="_blank">Alexander@leidinger.net</a>&gt; wrote:</div>
<blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid #cccccc;padding-left:1ex">
<div style="font-size:10pt;font-family:Verdana,Geneva,sans-serif">
<div style="font-size:10pt;font-family:Verdana,Geneva,sans-serif">
<p id="m_-4440668305350821778v1m_4714275516160504349m_-1080165619656712267v1m_33128641647853291v1reply-intro">Am 2024-11-02 17:08, schrieb Warner Losh:</p>
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<div dir="ltr">On Sat, Nov 2, 2024, 10:03 AM Alexander Leidinger &lt;<a href="mailto:Alexander@leidinger.net" rel="noreferrer noreferrer" target="_blank">Alexander@leidinger.net</a>&gt; wrote:</div>
<blockquote style="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="https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282493" rel="noopener noreferrer noreferrer" target="_blank">https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282493</a>; for this.</blockquote>
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<div dir="auto">Yea. This is a hang or a bad console. The warning is lame and misleading.</div>
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<div dir="auto">Can you bisect?</div>
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<p>Found it.</p>
<p style="padding-left:40px"># git bisect bad<br>c87b3f0006be9ac5813f1ff636f18c9b4a41b08e is the first bad commit<br>commit c87b3f0006be9ac5813f1ff636f18c9b4a41b08e (HEAD)<br>Author: Warner Losh &lt;imp@FreeBSD.org&gt;<br>Date:   Mon Oct 14 15:58:10 2024 -0600</p>
<p style="padding-left:40px">    uart: uart_getenv: check for NULL class last, not first</p>
<p style="padding-left:40px">    This allows one to specify dt:XXXX when the default class isn&#39;t compiled<br>    into the kernel. It&#39;s not an error to not have a class until we&#39;re done<br>    parsing the spec, so defer checking until then.</p>
<p style="padding-left:40px">    Sponsored by:           Netflix<br>    Reviewed by:            adrian, andrew, markj<br>    Differential Revision:  <a href="https://reviews.freebsd.org/D47078" rel="noopener noreferrer noreferrer" target="_blank">https://reviews.freebsd.org/D47078</a></p>;
<p style="padding-left:40px"> sys/dev/uart/uart_subr.c | 14 +++++++-------<br> 1 file changed, 7 insertions(+), 7 deletions(-)</p>
<p>-current as of today without this change boots just fine on the Ampere system in the Oracle cloud.</p>
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<div>what&#39;s your loader.conf? this should only matter if something is set there...  </div>
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<p>loader.conf:</p>
<p style="padding-left:40px">autoboot_delay=&quot;1&quot;<br>hw.usb.no_boot_wait=&quot;0&quot;<br>beastie_disable=&quot;YES&quot;<br>boot_serial=&quot;YES&quot;<br>loader_logo=&quot;none&quot;<br>cryptodev_load=&quot;YES&quot;<br>xz_load=&quot;YES&quot;<br>zfs_load=&quot;YES&quot;<br>geom_eli_load=&quot;YES&quot;</p>
<p style="padding-left:40px">tcphpts_load=&quot;yes&quot;<br>tcp_rack_load=&quot;YES&quot;</p>
<p style="padding-left:40px">hw.mca.enabled=&quot;1&quot;<br>vm.exec_map_entries=&quot;32&quot;</p>
<p style="padding-left:40px">net.link.ifqmaxlen=&quot;256&quot;<br>net.inet.tcp.soreceive_stream=&quot;1&quot;<br>kern.random.fortuna.concurrent_read=&quot;1&quot;<br>kern.msgbuf_show_timestamp=&quot;1&quot;</p>
<p>Bye,<br>Alexander.</p>
<div id="m_-4440668305350821778v1m_4714275516160504349m_-1080165619656712267signature">-- <br>
<div style="margin:0px;padding:0px;font-family:monospace"><a href="http://www.Leidinger.net" rel="noopener noreferrer noreferrer" target="_blank">http://www.Leidinger.net</a>; <a href="#m_-4440668305350821778_NOP" rel="noreferrer">Alexander@Leidinger.net:</a> PGP 0x8F31830F9F2772BF<br><a href="http://www.FreeBSD.org" rel="noopener noreferrer noreferrer" target="_blank">http://www.FreeBSD.org</a>;    <a href="mailto:netchild@FreeBSD.org" rel="noreferrer noreferrer" target="_blank">netchild@FreeBSD.org</a>  : PGP 0x8F31830F9F2772BF</div>
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<div id="m_-4440668305350821778signature">-- <br>
<div style="margin:0;padding:0;font-family:monospace"><a href="http://www.Leidinger.net" rel="noopener noreferrer noreferrer" target="_blank">http://www.Leidinger.net</a>; <a href="mailto:Alexander@Leidinger.net:" target="_blank" rel="noreferrer">Alexander@Leidinger.net:</a> PGP 0x8F31830F9F2772BF<br><a href="http://www.FreeBSD.org" rel="noopener noreferrer noreferrer" target="_blank">http://www.FreeBSD.org</a>;    <a href="mailto:netchild@FreeBSD.org" target="_blank" rel="noreferrer">netchild@FreeBSD.org</a>  : PGP 0x8F31830F9F2772BF</div>
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