System hang usually because of the CPU run into a dead loop. Most common debug method is enable serial port and enable/add kernel log by hand.
Intel do offers advanced debug tools(similar with Lauterbach Trace32): Intel System Debugger ( part of the Intel System Studio suite) https://software.intel.com/content/www/us/en/develop/tools/system-studio/debug.html hardware: https://designintools.intel.com/ C01 - Intel SVT DCI DbC2/3 A-to-A Debug Cable 1 Meter, $10 a lot of public pages on this topic, u can search "Intel DCI USB" https://www.ptsecurity.com/ww-en/analytics/where-theres-a-jtag-theres-a-way/ the dependency to use DCI USB Cable & System Debugger software is, u need a debug version BIOS that enabled this debug feature, Aaeon's UP Xtreme offer such BIOS, see https://up-shop.org/up-xtreme-i7.html BR / Fino (孟祥夫) Intel – IOTG Developer Enabling >Sent: Monday, September 14, 2020 11:39 AM > >Is there some tools similar to ftrace 、 pstore 、last_kmesg or oops > >发送自 Windows 10 版邮件<https://go.microsoft.com/fwlink/?LinkId=550986>应用 > >发件人: 宋浅禹<mailto:songqia...@countrygarden.com.cn> >发送时间: 2020年9月14日 11:33 >收件人: Greg Gallagher<mailto:g...@embeddedgreg.com>; >xenomai@xenomai.org<mailto:xenomai@xenomai.org> >主题: 回复: System crash > > >Thanks! > >Is there some tools can help me to trace? > > > >发送自 Windows 10 版邮件<https://go.microsoft.com/fwlink/?LinkId=550986>应用 > > > >发件人: Greg Gallagher<mailto:g...@embeddedgreg.com> >发送时间: 2020年9月14日 11:32 >收件人: 宋浅禹<mailto:songqia...@countrygarden.com.cn>; >Xenomai@xenomai.org<mailto:xenomai@xenomai.org> >主题: Re: System crash > > > >On Sun, Sep 13, 2020 at 11:30 PM 宋浅禹 <songqia...@countrygarden.com.cn> wrote: >> >> I am sorry, x86 >> >> >> >> 发送自 Windows 10 版邮件应用 >> >> >> >> 发件人: Greg Gallagher >> 发送时间: 2020年9月14日 11:30 >> 收件人: 宋浅禹; Xenomai@xenomai.org >> 主题: Re: System crash >> >> >> >> On Sun, Sep 13, 2020 at 11:28 PM 宋浅禹 <songqia...@countrygarden.com.cn> wrote: >> > >> > Hi，thank you for your reply! >> > >> > We use ipipe-4.19.84 and xenomai3.1, we have written our own GPIO driver. >> > At present, it is easy to get stuck in this >area. >> > >> > >> > >> > 发送自 Windows 10 版邮件应用 >> > >> > >> > >> > 发件人: Greg Gallagher >> > 发送时间: 2020年9月14日 11:18 >> > 收件人: 宋浅禹 >> > 抄送: xenomai@xenomai.org >> > 主题: Re: System crash >> > >> > >> > >> > On Sun, Sep 13, 2020 at 11:17 PM 宋浅禹 via Xenomai <xenomai@xenomai.org> >> > wrote: >> > > >> > > Hello，everyone！ >> > > Now we have the problem that the system is stuck, and the watchdog >> > > cannot work. We suspect that it is caused by the code of the >> > > kernel. Is there any other debugging method that can be checked? >> > > Thank you for your help ！ >> > > >> > > 发送自 Windows 10 >> > > 版邮件<https://go.microsoft.com/fwlink/?LinkId=550986>应用 >> > > >> > > ________________________________ >> > > This information may contain confidential and/or privileged material and >> > > is only transmitted for the intended recipient. >Any review, retransmission, conversion to hard copy, copying, reproduction, >circulation, publication, dissemination or other >use of, or taking of any action, or omission to take action, in reliance upon >this information by persons or entities other than >the intended recipient is prohibited. If you have received this message in >error, please contact the sender and delete the >material from any computer, disk drive, diskette, or other storage device or >media. >> > > 本信息可能包括某些保密的資料，並且只發送給特定的收信人。禁止除特定收信人以外的其他任何人士或機構 >閱讀、轉發、列印、複製、傳閱、出版、 >> > > 散播或以其它方式使用本信息，或依賴本信息作出或不作出任何行為。如果閣下錯誤地收到本信息，請聯絡發 >信人並從任何電腦、磁片、磁碟或其它存 >> > > 儲裝置或媒體中刪除本信息。 >> > >> > Can you give use some more info on your system? What ipipe are your >> > running and what version of Xenomai? >> > >> > -Greg >> > ________________________________ >> > This information may contain confidential and/or privileged material and >> > is only transmitted for the intended recipient. >Any review, retransmission, conversion to hard copy, copying, reproduction, >circulation, publication, dissemination or other >use of, or taking of any action, or omission to take action, in reliance upon >this information by persons or entities other than >the intended recipient is prohibited. If you have received this message in >error, please contact the sender and delete the >material from any computer, disk drive, diskette, or other storage device or >media. >> > 本信息可能包括某些保密的資料，並且只發送給特定的收信人。禁止除特定收信人以外的其他任何人士或機構 >閱讀、轉發、列印、複製、傳閱、出版、散播 >> > 或以其它方式使用本信息，或依賴本信息作出或不作出任何行為。如果閣下錯誤地收到本信息，請聯絡發信人 >並從任何電腦、磁片、磁碟或其它存儲裝置或 >> > 媒體中刪除本信息。 >> adding the list >> >> Is this x86 or ARM? >> >> -Greg >> ________________________________ >> This information may contain confidential and/or privileged material and is >> only transmitted for the intended recipient. >Any review, retransmission, conversion to hard copy, copying, reproduction, >circulation, publication, dissemination or other >use of, or taking of any action, or omission to take action, in reliance upon >this information by persons or entities other than >the intended recipient is prohibited. If you have received this message in >error, please contact the sender and delete the >material from any computer, disk drive, diskette, or other storage device or >media. >> 本信息可能包括某些保密的資料，並且只發送給特定的收信人。禁止除特定收信人以外的其他任何人士或機構閱 >讀、轉發、列印、複製、傳閱、出版、散播或以 >> 其它方式使用本信息，或依賴本信息作出或不作出任何行為。如果閣下錯誤地收到本信息，請聯絡發信人並從任 >何電腦、磁片、磁碟或其它存儲裝置或媒體中刪 >> 除本信息。 > >A back trace or source code will help for debugging. Also please make sure to >add the list when replying. > >Thanks > >Greg >________________________________ >This information may contain confidential and/or privileged material and is >only transmitted for the intended recipient. Any >review, retransmission, conversion to hard copy, copying, reproduction, >circulation, publication, dissemination or other use >of, or taking of any action, or omission to take action, in reliance upon this >information by persons or entities other than the >intended recipient is prohibited. If you have received this message in error, >please contact the sender and delete the >material from any computer, disk drive, diskette, or other storage device or >media. >本信息可能包括某些保密的資料，並且只發送給特定的收信人。禁止除特定收信人以外的其他任何人士或機構閱讀、 >轉發、列印、複製、傳閱、出版、散播或以其它方式使用本信息，或依賴本信息作出或不作出任何行為。如果閣下 >錯誤地收到本信息，請聯絡發信人並從任何電腦、磁片、磁碟或其它存儲裝置或媒體中刪除本信息。
