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#26 2017-03-28 19:46:06

seth
Member
Registered: 2012-09-03
Posts: 49,951

Re: System hang at boot

Sounds like a kerne installation issue - did you forget to mount /boot before updating?
https://wiki.archlinux.org/index.php/Ch … rch-chroot

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#27 2017-03-30 16:41:09

giacombum
Member
Registered: 2011-08-03
Posts: 94

Re: System hang at boot

With loglevel=7 and some CTRL pressions, the system boots normally, so it isn't a boot partition issue: it's the same f***ing issue...

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#28 2017-03-30 18:05:35

seth
Member
Registered: 2012-09-03
Posts: 49,951

Re: System hang at boot

Just to be sure: w/o "loglevel=7" the system doesn't boot *at all* but w/ "loglevel=7" it boots but requires keyboard interaction? That's the most weird thing I ever heard of (ok - "one of" ;-) ... in case.

Did you try the ata probe timeout parameter from comment #20 (alongside loglevel=7, it seems required...)?

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#29 2017-03-30 21:44:56

giacombum
Member
Registered: 2011-08-03
Posts: 94

Re: System hang at boot

seth wrote:

Just to be sure: w/o "loglevel=7" the system doesn't boot *at all* but w/ "loglevel=7" it boots but requires keyboard interaction?

Yes, it seems very very strange also to me but so it is..

seth wrote:

Did you try the ata probe timeout parameter from comment #20 (alongside loglevel=7, it seems required...)?

I think yes, and I remember that id didn't work... now I can't switch off the pc, maybe I'll try tomorrow...

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#30 2017-03-31 06:47:11

seth
Member
Registered: 2012-09-03
Posts: 49,951

Re: System hang at boot

Smells like some HW takes too long™ to initialize and a slower booting kernel (because being busy printing debug stuff) covers that?
Do you skip kernel selection in the bootmanager? What if you wait and how's the behavior on a warm reboot?

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#31 2017-04-10 17:21:48

giacombum
Member
Registered: 2011-08-03
Posts: 94

Re: System hang at boot

Sorry but I'm very busy at work. Some fresh updates: with latest kernel, the system doesn't boot anymore, also if I try to disconnect the keyboard, with loglevel=7, etc...
The lts-kernel instead boots if I disconnect the keyboard after the system hangs at "Triggering uevents"... And it also boots if I disconnect the mouse (and not the keyboard) when the system hangs at "triggering uevents" and then I recconect the mouse and press ctrl button on the keyboard...

Well, this problem is very frustrating...

Just another consideration: when I boot the archlinux cd, I've to press some times the ctrl button to resume the boot process...

Last edited by giacombum (2017-04-10 17:27:50)

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#32 2017-04-15 07:28:47

seth
Member
Registered: 2012-09-03
Posts: 49,951

Re: System hang at boot

Do you understand the problem implied in comment #30? It might not be the keyboard but some other HW (likely wired to the usb bus)

See http://redsymbol.net/linux-kernel-boot-parameters/ and notably boot_delay, io_delay, rootdelay, and virtually every usb* parameter.
Also check lsusb and remove every device you can.

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