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From: Bjorn Helgaas <>
To: Meelis Roos <>
Cc: Bjorn Helgaas <>,
	Linux Kernel Mailing List <>,
Subject: Re: HP DL585 warm boot fail (old)
Date: Wed, 24 Oct 2018 11:34:22 -0500	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Wed, Oct 24, 2018 at 05:47:17PM +0300, Meelis Roos wrote:
> > Can you try the patch below?  This is extracted from the code here:
> >
> Thank you. Unfortunately it does not change anything noticable.

Do you see the "disabling NMI on error" message?

Can you boot with "pci=earlydump vga=0xf07" and capture the output?
Drop the "vga=0xf07" if it doesn't work or makes the screen

> > I'm not sure why this would be only an intermittent problem, but at
> > least we can see if this is related.
> It seems 4.19 and current git are 100% reproducers so far - I have
> not managed to successfully boot either of them yet. I have seen
> 4.19-rc1 era git kernel booting at least once.
> I noticed that Debian packaged 4.17 with initramfs worked fine so
> far for my test, from these I have in grub menu. My selfcompiled
> kernels do not use initramfs.

It seems like the hang happens long before we would do anything with
an initramfs, but maybe there's a timing or memory map issue.  It
seems like a hassle to pursue this angle, but if we can't figure it
out otherwise, maybe we'll have to.


  reply	other threads:[~2018-10-24 16:34 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-06 19:12 HH DL585 warm boot fail (old) Meelis Roos
2018-07-09 13:38 ` Bjorn Helgaas
2018-10-24  7:47   ` Meelis Roos
2018-10-24 13:49     ` Bjorn Helgaas
2018-10-24 14:47       ` HP " Meelis Roos
2018-10-24 16:34         ` Bjorn Helgaas [this message]
2018-10-25 14:40           ` Meelis Roos

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