linux-kernel - Re: [PATCH 0/3 v11] add reserved e820 ranges to the kdump kernel e820 table

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Message-ID: <20190610113747.GD5488@zn.tnic>
Date:   Mon, 10 Jun 2019 13:37:47 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Baoquan He <bhe@...hat.com>
Cc:     lijiang <lijiang@...hat.com>, linux-kernel@...r.kernel.org,
        kexec@...ts.infradead.org, tglx@...utronix.de, mingo@...hat.com,
        akpm@...ux-foundation.org, dave.hansen@...ux.intel.com,
        luto@...nel.org, peterz@...radead.org, x86@...nel.org,
        hpa@...or.com, dyoung@...hat.com, Thomas.Lendacky@....com
Subject: Re: [PATCH 0/3 v11] add reserved e820 ranges to the kdump kernel
 e820 table

On Sat, Jun 08, 2019 at 06:26:59PM +0800, Baoquan He wrote:
> OK, I see. Then it should be the issue we have met and talked about with
> Tom.
> https://lkml.kernel.org/r/20190604134952.GC26891@MiWiFi-R3L-srv
> 
> You can apply Tom's patch as below. I tested it, it can make kexec
> kernel succeed to boot, but failed for kdump kernel booting. The kdump
> kernel can boot till the end of kernel initialization, then hang with a
> call trace. I have pasted the log in the above thread. Haven't got the
> reason.
> http://lkml.kernel.org/r/508c2853-dc4f-70a6-6fa8-97c950dc31c6@amd.com

I can confirm the same observation.

Thx.

-- 
Regards/Gruss,
    Boris.

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