Messages in this thread |  | | From | Madper Xie <> | Subject | Re: [PATCH] x86, efi: change name of efi_no_storage_paranoia parameter to efi_storage_paranoia | Date | Tue, 19 Nov 2013 11:16:32 +0800 |
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isimatu.yasuaki@jp.fujitsu.com writes:
> Hi Matt, > > Sorry for late the reply. > > > (2013/11/11 19:54), Matt Fleming wrote: >> On Mon, 11 Nov, at 05:52:59PM, Yasuaki Ishimatsu wrote: >>> Hi Matt, >>> >>> I uses FUJITSU's x86 box. >>> This does not become bricked even if I use all efi variable storage. >>> Thus I want a way to not need to specify efi_no_storage_paranoia >>> parameter. >> >> The efi_no_storage_paranoia parameter was introduced because some >> machines do not initiate garbage collection of the NVRAM until you >> allocate all space - basically it's a switch to turn off the "save 5KB >> of stoarge at all times" workaround that is needed to avoid bricking >> some machines. >> >> The intention of the switch is not to allow you to fill your NVRAM just >> because you can. If that is something you want to do then I think it's >> fair to require you to explicitly turn on efi_no_storage_paranoia. But >> I'm assuming here that you are doing something like writing lots and >> lots of pstore entries and just want to write as many as your variable >> storage will allow? Or are you doing something more fundamental like >> creating BootXXXX entries? >> >> What are you doing to run into the 5KB reserve? How much NVRAM does your >> machine come with? > > I just add boot entry to NVRAM by efibootmgr command. But when Linux boots up, > the remaining NVRAM is less than 5Kbyte. So I cannnot add new entry. > Howdy Yasuaki, If the remaining NVRAM is less than 5Kb, your writing will trigger a NVRAM storage reclamation. However you still failed creating entry. So I'm just curious what itmes occupy lots of nvram storage space.
> Thanks, > Yasuaki Ishimatsu
-- Best, Madper
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