Re: Regarding PXE boot NACK error.

[<MohammadYounasKhan.P@Dell.com>]

Is there anybody who knows about it and help me on this?

Thank you,
Younas.

-----Original Message-----
From: edk2-devel <edk2-devel-bounces@lists.01.org> On Behalf Of Pathan, MohammadYounasKhan
Sent: Sunday, March 10, 2019 11:19 PM
To: edk2-devel@lists.01.org
Cc: S, Shekar Babu; Poosapalli, Karunakar; Raju, SriramKumar
Subject: Re: [edk2] Regarding PXE boot NACK error.


[EXTERNAL EMAIL] 

Hi All,

Do you have any comments on this?

Thank you,
Younas.
-----Original Message-----
From: edk2-devel <edk2-devel-bounces@lists.01.org> On Behalf Of Pathan, MohammadYounasKhan
Sent: Thursday, March 7, 2019 11:07 PM
To: edk2-devel@lists.01.org
Cc: Raju, SriramKumar; Poosapalli, Karunakar; S, Shekar Babu
Subject: [edk2] Regarding PXE boot NACK error.


[EXTERNAL EMAIL] 

Hi All,

When one of DHCP cum PXE server which is not configured properly and returns NACK.

When PxeBcDhcp4Dora() returns EFI_TIME_OUT and PxeBcSelectBootPrompt () returns EFI_NOT_FOUND, do we need to abort the DHCP transaction or not in PxeBcDiscoverBootFile()? Or should we retry?
Currently it calls PxeBcDhcp4BootInfo() to get the boot info.

PxeBcDhcp4CallBack is getting called 2 times:

Dhcp4Event: 0x1 (Dhcp4RcvdOffer)
Dhcp4Event: 0xC (Dhcp4Fail)

Do we need to retry PxeBcDhcp4CallBack() for more times even if it is Dhcp4Fail?

EfiPxeLoadFile() -> PxeBcLoadBootFile () -> PxeBcDiscoverBootFile() -> PxeBcSelectBootPrompt()

Attached the transaction debug log for reference.
Please share your comments.

Thank you,
Younas.
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