Hi, Siva Is the exception occurs inside the Tcp->Close() function or HttpCloseConnection(). Are you able to check which function could be mapping to "RIP - 00000000657026F8"?
BestRegards Fu Siyuan From: Sivaraman Nainar [mailto:sivaram...@amiindia.co.in] Sent: Thursday, November 8, 2018 4:38 PM To: Fu, Siyuan <siyuan...@intel.com>; edk2-devel@lists.01.org Cc: Arun Subramanian B <arunsubramani...@ami.com> Subject: reg: Help on Error Handling Hello All, We are seeing an issue in HTTPDxe module when there is a hot unplug of a USB Network device while HTTP Post is happening. Details: An application tries to post the data to HTTPS Server using an USB Network device in UEFI environment. When the HTTP Post request Initiated there was a sudden disconnection happening in USB End and In HttpCloseConnection() Exception occurs in HttpInstance->Tcp6->Close . !!!! X64 Exception Type - 0D(#GP - General Protection) CPU Apic ID - 00000000 !!!! ExceptionData - 0000000000000000 RIP - 00000000657026F8, CS - 0000000000000038, RFLAGS - 0000000000010212 RAX - 0000000062D22E38, RCX - 0000000062D22E38, RDX - 0000000062D22110 RBX - 0000000000000007, RSP - 000000006BDCE0F0, RBP - 0000000000000000 RSI - 0000000000000004, RDI - 0000000000000000 R8 - 000000000000000A, R9 - 0000000000000000, R10 - 0000000062D42298 R11 - 000000006BC48918, R12 - 0000000000000004, R13 - 0000000000000000 R14 - 8000000000000003, R15 - 0000000000000007 DS - 0000000000000030, ES - 0000000000000030, FS - 0000000000000030 GS - 0000000000000030, SS - 0000000000000030 CR0 - 0000000080000013, CR2 - 0000000000000000, CR3 - 000000006BC4E000 CR4 - 0000000000000668, CR8 - 0000000000000000 DR0 - 0000000000000000, DR1 - 0000000000000000, DR2 - 0000000000000000 DR3 - 0000000000000000, DR6 - 00000000FFFF0FF0, DR7 - 0000000000000400 GDTR - 0000000065D9D6A0 0000000000000047, LDTR - 0000000000000000 IDTR - 0000000063064018 0000000000000FFF, TR - 0000000000000000 FXSAVE_STATE - 000000006BDCDD50 Any idea how this case can be handled without exception in the environment where dynamic unplug of a network device which performs UNDI operation. Thanks Siva _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel