Re: [edk2] SPI Flash Corruption

2018-09-21 Thread Samah Mansour
ich version of Minnowboard Max BIOS has added > this fix. > > > > Thanks, > > David Wei > > > > Intel SSG/STO/UEFI BIOS > > > > > > -Original Message- > > From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of > Yao, Jiewen >

Re: [edk2] SPI Flash Corruption

2018-09-21 Thread Andrew Fish
Friday, September 21, 2018 7:44 AM > To: Samah Mansour > Cc: edk2-devel@lists.01.org; ler...@redhat.com > Subject: Re: [edk2] SPI Flash Corruption > Importance: High > > thank you, Samah. > Would you please file a tracker in edkii bugzilla ? > > The term VPD might lead

Re: [edk2] SPI Flash Corruption

2018-09-21 Thread Wei, David
Intel SSG/STO/UEFI BIOS -Original Message- From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Yao, Jiewen Sent: Friday, September 21, 2018 7:44 AM To: Samah Mansour Cc: edk2-devel@lists.01.org; ler...@redhat.com Subject: Re: [edk2] SPI

Re: [edk2] SPI Flash Corruption

2018-09-20 Thread Yao, Jiewen
thank you, Samah. Would you please file a tracker in edkii bugzilla ? The term VPD might lead confusion here. Ideally VPD region is independent with UEFI variable region. It is a special region to hold PCD with VPD type. I just look at the code. The open source minnowmax puts variable region

Re: [edk2] SPI Flash Corruption

2018-09-20 Thread Samah Mansour
Hi Laszlo, Thanks for your reply. Actually what I see is that VPD (Vital Product Area between addresses 44000->47DFF0 ) is completely wiped which causes the failure to boot! Without the VPD unit cannot boot. I will take a look at the white paper. It would be helpful to know what's the impact of

Re: [edk2] SPI Flash Corruption

2018-09-20 Thread Laszlo Ersek
On 09/19/18 16:26, Samah Mansour wrote: > Hello, > > > Our product uses a Baytrail with Minnowboard Max bios firmware ( version > 0.93). Every now and then we see SPI flash corruption due to power cuts > while the unit is booting which causes the unit not to boot anymore. After > investigation

[edk2] SPI Flash Corruption

2018-09-19 Thread Samah Mansour
Hello, Our product uses a Baytrail with Minnowboard Max bios firmware ( version 0.93). Every now and then we see SPI flash corruption due to power cuts while the unit is booting which causes the unit not to boot anymore. After investigation we noticed that the VPD area is all FFs (address