Messages in this thread | | | Date | Tue, 19 Nov 2013 12:03:41 +0900 | From | Yasuaki Ishimatsu <> | Subject | Re: [PATCH] x86, efi: change name of efi_no_storage_paranoia parameter to efi_storage_paranoia |
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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.
Thanks, Yasuaki Ishimatsu
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