n100 https://bret.dk/intel-n100-radxa-x4-first-thoughts/

小问题

https://www.reddit.com/r/Fedora/comments/zaxdj9/web_console_login_error_after_fresh_installation/

https://10.0.0.5:9090/system/services : 这个东西可以了解下

是的，当然可以用于测试

https://sg.starlabs.systems/pages/byte?shpxid=c68764bc-6e63-482e-b308-1186e89aa4df

wifi 无法使用

https://askubuntu.com/questions/1456460/verification-failed-0x1a-security-violation-while-installing-ubuntu 添加这个，似乎没用:

🧀  cat /etc/modprobe.d/iwlwifi.conf
options iwlwifi disable_11ax=true

https://bugzilla.kernel.org/show_bug.cgi?id=217300

00:14.3 Network controller [0280]: Intel Corporation CNVi: Wi-Fi [8086:54f0]

也许是更新了 firmware . 这里下载 tar ，解压到 /lib/firmware 下就可以了 https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/

神奇的网络代理啊!

然后就可以

export https_proxy=http://10.0.0.2:8889
export http_proxy=http://10.0.0.2:8889
export HTTPS_PROXY=http://10.0.0.2:8889
export HTTP_PROXY=http://10.0.0.2:8889
export ftp_proxy=http://10.0.0.2:8889
export FTP_PROXY=http://10.0.0.2:8889

但是这个仅仅可以解决一部分问题，dns 不过 http 就无法更新了。

环境的初始化

dnf upgrade --refresh -y
reboot

可以继续的事情

测试 cstate 和 pstate
coreboot
netconsole
pxe 启动

hacking

root@localhost:~# lspci -s 00:00.0 -vvv
00:00.0 Host bridge: Intel Corporation Device 461c
        DeviceName: Onboard - Other
        Subsystem: Device 1f4c:b010
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
        Latency: 0
        Capabilities: [e0] Vendor Specific Information: Len=14 <?>
        Kernel driver in use: igen6_edac
        Kernel modules: igen6_edac

这个 igen6_edac 是认真的吗?

至少 13900k 上没有:

🧀  sudo lspci -s 00:00.0 -vvv

[sudo] password for martins3:
00:00.0 Host bridge: Intel Corporation Device a700 (rev 01)
        DeviceName: Onboard - Other
        Subsystem: ASUSTeK Computer Inc. Device 8694
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        IOMMU group: 1

没有 iommu ，但是还是 IR

root@localhost:~# cat /proc/interrupts
            CPU0       CPU1       CPU2       CPU3
   8:          0          0          0          0  IR-IO-APIC    8-edge      rtc0
   9:          0          0          0          0  IR-IO-APIC    9-fasteoi   acpi
  14:          0          0          0          0  IR-IO-APIC   14-fasteoi   INTC1057:00
  16:          0          0          0          0  IR-IO-APIC   16-fasteoi   i801_smbus
  26:          0          0        283          0  IR-IO-APIC   26-fasteoi   intel_ish_ipc
 120:          0          0          0          0  DMAR-MSI    0-edge      dmar0
 121:          0          0          0          0  DMAR-MSI    1-edge      dmar1
 122:          0          0          0          0  IR-PCI-MSI-0000:00:1c.0    0-edge      PCIe PME, aerdrv
 123:          0          0          0          0  IR-PCI-MSI-0000:00:1d.0    0-edge      PCIe PME, aerdrv
 124:          0          0          0          0  IR-PCI-MSI-0000:00:1d.3    0-edge      PCIe PME, aerdrv
 125:          0          0          0          0  IR-PCI-MSI-0000:00:17.0    0-edge      ahci[0000:00:17.0]
 126:          0          0          0       6413  IR-PCI-MSI-0000:00:14.0    0-edge      xhci_hcd
 131:          0          0          0         17  IR-PCI-MSIX-0000:02:00.0    0-edge      nvme0q0
 132:       1428          0          0          0  IR-PCI-MSIX-0000:02:00.0    1-edge      nvme0q1
 133:          0       4567          0          0  IR-PCI-MSIX-0000:02:00.0    2-edge      nvme0q2
 134:          0          0       2128          0  IR-PCI-MSIX-0000:02:00.0    3-edge      nvme0q3
 135:          0          0          0       1500  IR-PCI-MSIX-0000:02:00.0    4-edge      nvme0q4
 136:        312          0          0          0  IR-PCI-MSI-0000:00:02.0    0-edge      i915
 137:          1          0          0          0  IR-PCI-MSIX-0000:01:00.0    0-edge      enp1s0
 138:          0          0         50          0  IR-PCI-MSI-0000:00:16.0    0-edge      mei_me
 139:       4444         10       1514         10  IR-PCI-MSIX-0000:01:00.0    1-edge      enp1s0-TxRx-0
 140:         68        428         70        211  IR-PCI-MSIX-0000:01:00.0    2-edge      enp1s0-TxRx-1
 141:       2238          5       1816        321  IR-PCI-MSIX-0000:01:00.0    3-edge      enp1s0-TxRx-2
 142:        158         21        314        232  IR-PCI-MSIX-0000:01:00.0    4-edge      enp1s0-TxRx-3
 143:          0          0          0          0  IR-PCI-MSIX-0000:03:00.0    0-edge      enp3s0
 144:        290        230         85         60  IR-PCI-MSIX-0000:03:00.0    1-edge      enp3s0-TxRx-0
 145:        144        280        155         86  IR-PCI-MSIX-0000:03:00.0    2-edge      enp3s0-TxRx-1
 146:        101        200        109        255  IR-PCI-MSIX-0000:03:00.0    3-edge      enp3s0-TxRx-2
 147:          0        206          5        454  IR-PCI-MSIX-0000:03:00.0    4-edge      enp3s0-TxRx-3
 148:          0          0          0        547  IR-PCI-MSI-0000:00:1f.3    0-edge      snd_hda_intel:card0
 NMI:          1          2          1          1   Non-maskable interrupts
 LOC:      31467      35973      42030      34608   Local timer interrupts
 SPU:          0          0          0          0   Spurious interrupts
 PMI:          1          2          1          1   Performance monitoring interrupts
 IWI:          7          5          5          0   IRQ work interrupts
 RTR:          0          0          0          0   APIC ICR read retries
 RES:        956        939       1186        836   Rescheduling interrupts
 CAL:      16978      16440      13248      10447   Function call interrupts
 TLB:          3          5        376          3   TLB shootdowns
 TRM:          0          0          0          0   Thermal event interrupts
 THR:          0          0          0          0   Threshold APIC interrupts
 DFR:          0          0          0          0   Deferred Error APIC interrupts
 MCE:          0          0          0          0   Machine check exceptions
 MCP:          5          6          6          6   Machine check polls
 ERR:          0
 MIS:          0
 PIN:          0          0          0          0   Posted-interrupt notification event
 NPI:          0          0          0          0   Nested posted-interrupt event
 PIW:          0          0          0          0   Posted-interrupt wakeup event
root@localhost:~# ls /sys/class/iommu/
root@localhost:~# find /sys -name iommu
/sys/kernel/tracing/events/iommu
/sys/kernel/debug/tracing/events/iommu
/sys/class/iommu
root@localhost:~# ls /sys/class/iommu
root@localhost:~#

如何理解这个日志

[ 4166.841165] evm: overlay not supported

测试下 Bluetooth 可以用吗?

wake on lan 是什么意思 ?

和 intel 139000K 相比

n100 和 13900k 的比较:

猜测，这些缺失的 flags 主要是外围的实现导致的

测试下 n100 可以运行 acrn hypervisor 吗?

无法开机，拔掉电源，开机灯无法亮了，申请售后了。

有趣

https://news.ycombinator.com/item?id=41574664

https://news.ycombinator.com/item?id=42642873

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