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From: Laszlo Ersek <lersek@redhat.com>
Message-ID: <b5dcc97c-7ab1-6906-b1e7-da5311f13d80@redhat.com>
Date: Mon, 7 Nov 2016 15:12:01 +0100
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Subject: Re: [Qemu-devel] alpha platform is missing files after initrd load
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To: Dennis Luehring <dl.soluz@gmx.net>, Richard Henderson <rth@twiddle.net>, Stefan Hajnoczi <stefanha@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>, "Richard W.M. Jones" <rjones@redhat.com>

On 11/07/16 08:37, Dennis Luehring wrote:
> Am 04.11.2016 um 22:08 schrieb Richard Henderson:
>> No, it was less specific than that.  Something like "unpacking failed:
>> error".
>>
>>> >And, apparently, it used to be handled with a panic() call, but then
>>> that
>>> >was deemed "policy", and downgraded to a KERN_EMERG message:
>> Ouch.  A silly decision, but definitely an uphill fight to get it
>> changed.
> 
> 
> using a big(~370MB) initrd.cpio with not enough ram (1GB) in qemu i get
> this kernel message
> 
> "Initramfs unpacking failed: write error"
> 
> using a small(~14MB) initrd.cpio with just a staticaly linked c based
> init for the kernel also with 1GB ram (more then enough) gives me this
> kernel message:
> 
> "Initramfs unpacking failed: junk in compressed archive"
> 
> and i currently can't say if only the first is evil or both
> 
> both cpios created with "find . | cpio -H newc -o initrd.cpio"

The second error message is incorrect in its own right (it's just
another symptom of running out of memory; the compressed archive is
valid in fact). But, fixing that would require a more intrusive change I
guess, i.e., to distinguish these two kinds of problems properly.

Thanks
Laszlo