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Old 10-14-2017, 04:22 AM   #1
billwx
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how to capture boot-up errors to a file?


I get several lines of errors at boot-up and shutdown using various linux installs and with 2 different hard drives tested. I've seen others post such and get help, but i don't know how to do this. Are these errors that flash by contained in a file somewhere, or how do i create such a file? Many thanks!
 
Old 10-14-2017, 04:53 AM   #2
jsbjsb001
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Quote:
Originally Posted by billwx View Post
I get several lines of errors at boot-up and shutdown using various linux installs and with 2 different hard drives tested. I've seen others post such and get help, but i don't know how to do this. Are these errors that flash by contained in a file somewhere, or how do i create such a file? Many thanks!
You can type the following to get a page at a time of your kernel log; (you don't need to be root)

Code:
dmesg | less
There's also the following that records the start-up process to a file;

Code:
/var/log/boot.log
Can you post one (or both) of these?
 
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Old 10-14-2017, 05:08 AM   #3
michaelk
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It depends on the distribution/version. In addition to the above if your distribution is using systemd you can see the the boot log via

journalctl -b

https://www.freedesktop.org/software...ournalctl.html
 
Old 10-14-2017, 05:11 AM   #4
syg00
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To a large degree, it depends on how one defines "boot". And "error" for that matter.
 
Old 10-14-2017, 05:35 AM   #5
billwx
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Thanks much for the fast replies. The laptop is an HP 15, the OS currently in use there is Korora 26, so yes i think systemd.

The errors began shortly after the laptop was dropped so i feared i had damaged something. Changing the hard drive made no difference, and i noticed no problems with the machine other than the error messages. Much reading online now leads me to think it is a commonly known ACPI error that may have become visible after a kernel upgrade and have nothing to do with damaged hardware?

The dmesg | less file is huge, but the errors are these:

[ 0.229113] ACPI: Added _OSI(Module Device)
[ 0.229115] ACPI: Added _OSI(Processor Device)
[ 0.229117] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.229118] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.237359] ACPI Error: [\_PR_.CPU0._PPC] Namespace lookup failure, AE_NOT_FOUND (20170531/psargs-364)
[ 0.237359] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0.IPCL, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237359] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0.PCLK, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237359] ACPI Error: Method parse/execution failed \_SB.TBSW, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237359] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0._Q1D, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237359] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0._REG, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237387] ACPI Error: [\_PR_.CPU0._PPC] Namespace lookup failure, AE_NOT_FOUND (20170531/psargs-364)
[ 0.237400] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0.IPCL, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237415] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0.PCLK, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237429] ACPI Error: Method parse/execution failed \_SB.TBSW, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237442] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0._Q1D, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237455] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0._REG, AE_NOT_FOUND (20170531/psparse-550)

Thoughts?
 
Old 10-14-2017, 05:50 AM   #6
billwx
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The laptop in question is an HP 15 and the current OS is Korora 26, so yes i think systemd. The unit was dropped shortly before these errors began to appear so i feared i had damaged something. Since this i have gotten the same results with a different hard drive and several Linux distros. I have noticed no issues with the machine other than seeing these messages. Recently i am coming to believe it's a well known ACPI error that appears with a kernel upgrade and doesn't indicate a hardware problem?

The dmesg | less file is huge, but the errors are these:

[ 0.229113] ACPI: Added _OSI(Module Device)
[ 0.229115] ACPI: Added _OSI(Processor Device)
[ 0.229117] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.229118] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.237359] ACPI Error: [\_PR_.CPU0._PPC] Namespace lookup failure, AE_NOT_FOUND (20170531/psargs-364)
[ 0.237359] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0.IPCL, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237359] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0.PCLK, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237359] ACPI Error: Method parse/execution failed \_SB.TBSW, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237359] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0._Q1D, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237359] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0._REG, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237387] ACPI Error: [\_PR_.CPU0._PPC] Namespace lookup failure, AE_NOT_FOUND (20170531/psargs-364)
[ 0.237400] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0.IPCL, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237415] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0.PCLK, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237429] ACPI Error: Method parse/execution failed \_SB.TBSW, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237442] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0._Q1D, AE_NOT_FOUND (20170531/psparse-550)
[ 0.237455] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.EC0._REG, AE_NOT_FOUND (20170531/psparse-550)

Thoughts?
 
Old 10-14-2017, 06:00 AM   #7
ondoho
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is korora based on fedora? i.e. a bleeding edge distro?
something like that is to be expected.
if your system is working properly, i wouldn't worry about some acpi errors. chances are it will get fixed soon.
or, how old is the hardware? maybe a bleeding edge distro is not suitable? or maybe it's possible to switch to LTS kernel?
 
Old 10-14-2017, 06:02 AM   #8
jsbjsb001
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From your output, it looks to me like it's just informing you that your laptop doesn't have certain "features". If your not actually having any problems, there's probably nothing to be worried about.

I see the same sort of messages in my kernel log, my machine still works no problem. Not all messages in Linux, necessarily indicate a problem(s) as such.
 
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Old 10-14-2017, 06:51 AM   #9
billwx
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Korora is based on Fedora. I like it but wouldn't really call it bleeding edge. For me that's my favoritte distro the Arch-based Antergos. But I've used many distros on the machine (why i bought it in the first place).

In any case, I'm comfy that all is well AND have learned in the process. Marking it solved. Thanks to all!
 
  


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