Hello All,
The ASSERT happens in the following function
/**
Internal function to free a pool entry.
Caller must have the memory lock held
@param Buffer The allocated pool entry to free
@param PoolType Pointer to pool type
@retval EFI_INVALID_PARAMETER Buffer not valid
@retval EFI_SUCCESS Buffer successfully freed.
**/
EFI_STATUS
CoreFreePoolI (
IN VOID *Buffer,
OUT EFI_MEMORY_TYPE *PoolType OPTIONAL
)
{
.
.
ASSERT(Buffer != NULL);
//
// Get the head & tail of the pool entry
//
Head = CR (Buffer, POOL_HEAD, Data, POOL_HEAD_SIGNATURE); // ASSERT
happens here
ASSERT(Head != NULL);
.
.
}
We are using NetworkPkg: SHA- ef810bc807188224a752ffbcf5e7f4b651291cee
I think here I'm unable attach the files.
You can find the attached screenshots in the following Bug571
https://bugzilla.tianocore.org/show_bug.cgi?id=571
Thanks,
Karunakar
-----Original Message-----
From: Ye, Ting [mailto:[email protected]]
Sent: Wednesday, May 24, 2017 10:29 AM
To: Karunakar P; [email protected]
Subject: RE: Pressing ESC from "PXE windows Boot manager" causes ASSERT
Hi Karunakar,
Sorry I did not find your attached files. Would you please send them again?
Besides that, do you mind telling us which code base are you using for PXE
boot? Are you using some revision of EDKII main trunk or UDK release?
Thanks,
Ting
-----Original Message-----
From: edk2-devel [mailto:[email protected]] On Behalf Of
Karunakar P
Sent: Wednesday, May 24, 2017 12:20 PM
To: [email protected]
Subject: [edk2] Pressing ESC from "PXE windows Boot manager" causes ASSERT
Hi All,
We have facing an issue with PXE boot.
[Issue]
When ESC is pressed from Windows Boot manager during PXE boot (IPv4 or IPv6)
system Hangs with following ASSERT
ASSERT [DxeCore] \MdeModulePkg\Core\Dxe\Mem\Pool.c : CR has Bad Signature
[Reproduction Steps]
1. Perform UEFI PXEv4 or UEFI PXEv6 boot 2. It will start PXE boot over IPv4/6
and Downloads NBP file successfully.
Attached the Screenshot for the same(ScreenShot1.jpg)
It will Displays the info like "Press ENTER for network boot service"
Attached Screensho(ScreenShot2.jpg)
3. Press ENTER and then press ESC immediately to see the Windows Boot Manager
Menu
It will list the available Operating Systems
Attached the screenshot(ScreenShot3.png)
4. Press ESC to come back to Setup or next Boot option
[Result]
System hangs with ASSERT
[Expected Result]
On pressing ESC from Windows Boot Manager, it should come back to setup/Next
boot option in boot order
Note:
We have PXE server configured in Windows Server 2012 R2.
Please look into it.
Thanks,
karunakar
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