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
next prev parent 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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