Adam: Coud you show the code and boot log for this problem? How do you verify whether the allocated memory space is runtime memory?
Thanks Liming > -----邮件原件----- > 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Oliver > Smith-Denny via groups.io > 发送时间: 2024年12月4日 23:40 > 收件人: devel@edk2.groups.io; leif.lindh...@oss.qualcomm.com; > disc...@edk2.groups.io; adw...@gmail.com > 主题: Re: [edk2-devel] [edk2-discuss] Attempted runtime pool allocation > returns non-runtime pool > > Hi Adam, > > > On Wed, 4 Dec 2024 at 04:21, Adam Wagner via groups.io > > <adwags=gmail....@groups.io> wrote: > >> > >> Hello, > >> > >> I have a DXE runtime driver that is attempting to allocate runtime pool > >> (via AllocateRuntimeZeroPool). I'm getting back a non-NULL pointer, but it > >> isn't in the runtime memory map so ConvertPointer fails later. It looks > >> like the returned address is in a memory region of "conventional" type > >> which if I understand correctly is where free memory lives? > >> > >> I think I may be hitting the "Attempt to find free pages in the default > >> allocation bin" case here... > >> > https://github.com/tianocore/edk2/blob/master/MdeModulePkg/Core/Dxe/ > Mem/Page.c#L1281 > >> > > This piece is fine if it doesn't hit the normal memory bin, it will > still get the type converted in the call to CoreConvertPages. I agree > with Leif that AllocateRuntimeZeroPool should not be returning the > memory if anything failed; what I would recommend is adding some prints > or using a debugger to tell if the memory is getting the correct type > on that allocate call and then checking if it is getting freed later > by some entity. > > Oliver > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#120877): https://edk2.groups.io/g/devel/message/120877 Mute This Topic: https://groups.io/mt/109932354/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
