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From: Richard Weinberger <richard@nod.at>
To: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org,
	matt.fleming@intel.com, matthew.garrett@nebula.com,
	jlee@suse.com
Subject: Re: [PATCH] x86, efi: change name of efi_no_storage_paranoia parameter to efi_storage_paranoia
Date: Fri, 08 Nov 2013 10:37:56 +0100	[thread overview]
Message-ID: <527CB0F4.8080606@nod.at> (raw)
In-Reply-To: <527CB013.30200@jp.fujitsu.com>

Am 08.11.2013 10:34, schrieb Yasuaki Ishimatsu:
> (2013/11/08 17:05), Richard Weinberger wrote:
>> Am 08.11.2013 08:33, schrieb Yasuaki Ishimatsu:
>>> By following works, my system very often fails set_variable() to set new
>>> variable to efi variable storage and shows "efivars: set_variable() failed:
>>> status=-28" message.
>>>
>>> - commit 31ff2f20d9003e74991d135f56e503fe776c127c
>>>      efi: Distinguish between "remaining space" and actually used space
>>> - commit 8c58bf3eec3b8fc8162fe557e9361891c20758f2
>>>      x86,efi: Implement efi_no_storage_paranoia parameter
>>> - commit f8b8404337de4e2466e2e1139ea68b1f8295974f
>>>      Modify UEFI anti-bricking code
>>>
>>> When booting my system, remaining space of efi variable storage is about
>>> 5KB. So there is no room that sets a new variable to the storage.
>>>
>>> According to above works, efi_no_storage_paranoia parameter was prepared
>>> for sane UEFI which can do gc and fulfills spec. But why need a system
>>> with a sane UEFI set the parameter? It is wrong. A system with a broken
>>> UEFI should set the parameter.
>>
>> And how does one know that his UEFI is broken?
> 
> I have no idea. But at least, bricked board is broken UEFI.
> Do you know the issue occurs on several boards or specific board?

On *many* boards including laptops....
Please read the history of the whole issue.

Thanks,
//richard

  reply	other threads:[~2013-11-08  9:38 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-08  7:33 [PATCH] x86, efi: change name of efi_no_storage_paranoia parameter to efi_storage_paranoia Yasuaki Ishimatsu
2013-11-08  8:05 ` Richard Weinberger
2013-11-08  8:46   ` Madper Xie
2013-11-08  9:34   ` Yasuaki Ishimatsu
2013-11-08  9:37     ` Richard Weinberger [this message]
2013-11-08 10:25       ` Yasuaki Ishimatsu
2013-11-08 10:29         ` Richard Weinberger
2013-11-08 10:32           ` Yasuaki Ishimatsu
2013-11-08 14:34             ` Matt Fleming
2013-11-11  8:52               ` Yasuaki Ishimatsu
2013-11-11  9:47                 ` Madper Xie
2013-11-11 10:54                 ` Matt Fleming
2013-11-19  3:03                   ` Yasuaki Ishimatsu
2013-11-19  3:16                     ` Madper Xie
2013-11-20  6:26                       ` Yasuaki Ishimatsu
2013-11-20  8:08                         ` joeyli
2013-11-21  9:13                           ` Yasuaki Ishimatsu
2013-11-21  9:53                             ` joeyli
2013-11-21 10:27                               ` joeyli

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