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From: "Ori Pessach" <mail@oripessach.com>
Date: Sat, 22 May 2021 12:20:58 -0600
Message-ID: <CAJekvNRroTdBZQR0Yiw5_OFSjpLMkFMcwnp3R2zG_MBHaBCM7w@mail.gmail.com>
Subject: /proc/vmcore not created with CONFIG_PROC_VMCORE=y
To: yocto@lists.yoctoproject.org
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Hello,

I'm trying to enable kdump on an intel x86_64 system, and while kexec boots
the crash kernel (I use the same kernel image for the system and crash
kernel) makedumpfile fails, apparently because it can't find /proc/vmcore.

My understanding is that vmcore should be found (and empty) in the system
kernel, and populated in the crash kernel, but it's not found in either as
far as I can tell.

/proc/config.gz shows that CONFIG_PROC_VMCORE Is set to 'y' so I'm not sure
what's going on. Any ideas on how to solve this?

Thanks,

Ori Pessach

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<div dir=3D"ltr"><div>Hello,</div><div><br></div><div>I&#39;m trying to ena=
ble kdump on an intel x86_64 system, and while kexec boots the crash kernel=
 (I use the same kernel image for the system and crash kernel) makedumpfile=
 fails, apparently because it can&#39;t find /proc/vmcore. <br></div><div><=
br></div><div>My understanding is that vmcore should be found (and empty) i=
n the system kernel, and populated in the crash kernel, but it&#39;s not fo=
und in either as far as I can tell.</div><div><br></div><div>/proc/config.g=
z shows that CONFIG_PROC_VMCORE Is set to &#39;y&#39; so I&#39;m not sure w=
hat&#39;s going on. Any ideas on how to solve this?</div><div><br></div><di=
v>Thanks,</div><div><br></div><div>Ori Pessach<br></div></div>

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