Hi Lin, Thanks for your exposing. I haven't meet this crash yet. But, I will check this potential crash according your feedback. If any process, I will inform you.
Thanks and Best Regards. Jiaxin > -----Original Message----- > From: Gary Lin [mailto:g...@suse.com] > Sent: Thursday, May 12, 2016 6:27 PM > To: edk2-devel@lists.01.org > Cc: Wu, Jiaxin <jiaxin...@intel.com> > Subject: HTTP Boot crashed when downloading remote image > > Hi, > > I was testing HTTP Boot with the latest OMVF and found that it crashed when > downloading the remote image from the http server. Here is my bisect result: > > commit b347a22aecbfac9aac47831fee9a30aa810d6d0b > NetworkPkg: Avoid the indefinite wait case in HttpDxe > > Actually, it sometimes worked but was broken for the most of time. > Reverting this patch makes HTTP Boot always work. > > It seems the IP4 driver tried to remove a mnp event, but the event list was > empty so the assert was triggered. > > The debug message: > > TcpToSendAck: scheduled a delayed ACK for TCB 3E2D2418 > TcpToSendAck: scheduled a delayed ACK for TCB 3E2D2418 > TcpInput: sequence acceptance test failed for segment of TCB 3E2D2418 > TcpInput: Discard a packet > TcpInput: sequence acceptance test failed for segment of TCB 3E2D2418 > TcpInput: Discard a packet > TcpInput: sequence acceptance test failed for segment of TCB 3E2D2418 > TcpInput: Discard a packet > TcpInput: sequence acceptance test failed for segment of TCB 3E2D2418 > TcpInput: Discard a packet > ASSERT /home/gary/git/edk2/MdePkg/Library/BaseLib/LinkedList.c(62): List- > >BackLink != ((void *) 0) > > The backtrace (I cut the trace before EfiBootManagerBoot to make it > shorter): > > (gdb) bt > #0 0x000000003ff7f702 in CpuDeadLoop () at > /home/gary/git/edk2/MdePkg/Library/BaseLib/CpuDeadLoop.c:37 > #1 0x000000003ff80a34 in DebugAssert ( > FileName=0x3ff93b50 > "/home/gary/git/edk2/MdePkg/Library/BaseLib/LinkedList.c", > LineNumber=62, > Description=0x3ff93bb0 "List->BackLink != ((void *) 0)") > at > /home/gary/git/edk2/OvmfPkg/Library/PlatformDebugLibIoPort/DebugLib.c > :153 > #2 0x000000003ff7f7e3 in InternalBaseLibIsNodeInList (List=0x3e2c40a0, > Node=0x3e2c40a0, > VerifyNodeInList=0 '\000') at > /home/gary/git/edk2/MdePkg/Library/BaseLib/LinkedList.c:62 > #3 0x000000003ff7fc49 in IsListEmpty (ListHead=0x3e2c40a0) > at /home/gary/git/edk2/MdePkg/Library/BaseLib/LinkedList.c:361 > #4 0x000000003ff7fec5 in RemoveEntryList (Entry=0x3e2c40a0) > at /home/gary/git/edk2/MdePkg/Library/BaseLib/LinkedList.c:545 > #5 0x000000003ff7a5e5 in CoreCloseEvent (UserEvent=0x3e2c4018) > at /home/gary/git/edk2/MdeModulePkg/Core/Dxe/Event/Event.c:752 > #6 0x000000003e99a910 in Ip4FreeFrameRxToken (Token=0x3e2c4118) > at > /home/gary/git/edk2/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4If.c:38 > 0 > #7 0x000000003e99bdfe in Ip4RecycleFrame (Context=0x3e2c4118) > at > /home/gary/git/edk2/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4If.c:11 > 24 > #8 0x000000003e9b26db in NetbufFreeVector (Vector=0x3e2c4798) > at > /home/gary/git/edk2/MdeModulePkg/Library/DxeNetLib/NetBuffer.c:176 > #9 0x000000003e9b285e in NetbufFree (Nbuf=0x3e2c4698) > at > /home/gary/git/edk2/MdeModulePkg/Library/DxeNetLib/NetBuffer.c:220 > #10 0x000000003e9a39b6 in Ip4OnRecyclePacket (Event=0x3e2c4198, > Context=0x3e2c4398) > at > /home/gary/git/edk2/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input. > c:1146 > #11 0x000000003ff79bd5 in CoreDispatchEventNotifies (Priority=16) > at /home/gary/git/edk2/MdeModulePkg/Core/Dxe/Event/Event.c:200 > #12 0x000000003ff79179 in CoreRestoreTpl (NewTpl=8) at > /home/gary/git/edk2/MdeModulePkg/Core/Dxe/Event/Tpl.c:131 > #13 0x000000003ff660e0 in CoreReleaseLock (Lock=0x3ff98990) > at /home/gary/git/edk2/MdeModulePkg/Core/Dxe/Library/Library.c:102 > #14 0x000000003ff7996b in CoreReleaseEventLock () at > /home/gary/git/edk2/MdeModulePkg/Core/Dxe/Event/Event.c:119 > #15 0x000000003ff7a32c in CoreSignalEvent (UserEvent=0x3e2c4198) > at /home/gary/git/edk2/MdeModulePkg/Core/Dxe/Event/Event.c:572 > #16 0x000000003e929c28 in IpIoExtFree (Event=0x3e2c4198) > at > /home/gary/git/edk2/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c:596 > #17 0x000000003e9307fb in NetbufFreeVector (Vector=0x3e2c4598) > at > /home/gary/git/edk2/MdeModulePkg/Library/DxeNetLib/NetBuffer.c:176 > #18 0x000000003e93097e in NetbufFree (Nbuf=0x3e2c4498) > at > /home/gary/git/edk2/MdeModulePkg/Library/DxeNetLib/NetBuffer.c:220 > #19 0x000000003e932551 in NetbufQueTrim (NbufQue=0x3e2d2698, > Len=59695) > at > /home/gary/git/edk2/MdeModulePkg/Library/DxeNetLib/NetBuffer.c:1605 > #20 0x000000003e923fcd in SockProcessRcvToken (Sock=0x3e2d1018, > RcvToken=0x3e2aa098) > at /home/gary/git/edk2/NetworkPkg/TcpDxe/SockImpl.c:346 > #21 0x000000003e919f5f in SockRcv (Sock=0x3e2d1018, Token=0x3e2aa098) > at /home/gary/git/edk2/NetworkPkg/TcpDxe/SockInterface.c:727 > #22 0x000000003e91ef11 in Tcp4Receive (This=0x3e2d1138, > Token=0x3e2aa098) > at /home/gary/git/edk2/NetworkPkg/TcpDxe/TcpMain.c:440 > #23 0x000000003e8636e2 in HttpTcpReceiveBody (Wrap=0x3e2aa018, > HttpMsg=0x3ef7e0d0, Timeout=0x3e2c6218) > at /home/gary/git/edk2/NetworkPkg/HttpDxe/HttpProto.c:1797 > #24 0x000000003e85f86c in HttpResponseWorker (Wrap=0x3e2aa018) > at /home/gary/git/edk2/NetworkPkg/HttpDxe/HttpImpl.c:1157 > #25 0x000000003e85fd2e in EfiHttpResponse (This=0x3e2d12a0, > Token=0x3ef7e0b8) > at /home/gary/git/edk2/NetworkPkg/HttpDxe/HttpImpl.c:1323 > #26 0x000000003e845578 in HttpIoRecvResponse (HttpIo=0x3ef7e050, > RecvMsgHeader=0 '\000', ResponseData=0x3ff593b0) > at > /home/gary/git/edk2/NetworkPkg/HttpBootDxe/HttpBootSupport.c:921 > #27 0x000000003e847bb3 in HttpBootGetBootFile (Private=0x3ef7e018, > HeaderOnly=0 '\000', BufferSize=0x3ff59550, > Buffer=0x3e16a018 "MZ\220", ImageType=0x3ff594b8) > at /home/gary/git/edk2/NetworkPkg/HttpBootDxe/HttpBootClient.c:1006 > #28 0x000000003e83ff69 in HttpBootLoadFile (Private=0x3ef7e018, > BufferSize=0x3ff59550, Buffer=0x3e16a018, > ImageType=0x3ff594b8) at > /home/gary/git/edk2/NetworkPkg/HttpBootDxe/HttpBootImpl.c:304 > #29 0x000000003e8404b2 in HttpBootDxeLoadFile (This=0x3ef7d030, > FilePath=0x3ee1706e, BootPolicy=1 '\001', > BufferSize=0x3ff59550, Buffer=0x3e16a018) at > /home/gary/git/edk2/NetworkPkg/HttpBootDxe/HttpBootImpl.c:489 > #30 0x000000003e2682b9 in BmGetFileBufferFromLoadFile > (LoadFileHandle=0x3ef7d118, FilePath=0x3ee1706e, > FullPath=0x3ff596c0, FileSize=0x3ff596a8) > at > /home/gary/git/edk2/MdeModulePkg/Library/UefiBootManagerLib/BmBoo > t.c:1320 > #31 0x000000003e26859d in BmGetFileBufferFromLoadFiles > (FilePath=0x3ee1706e, FullPath=0x3ff596c0, > FileSize=0x3ff596a8) at > /home/gary/git/edk2/MdeModulePkg/Library/UefiBootManagerLib/BmBoo > t.c:1412 > #32 0x000000003e26899a in EfiBootManagerGetLoadOptionBuffer > (FilePath=0x3ee17018, FullPath=0x3ff596c0, > FileSize=0x3ff596a8) at > /home/gary/git/edk2/MdeModulePkg/Library/UefiBootManagerLib/BmBoo > t.c:1529 > #33 0x000000003e268ce2 in EfiBootManagerBoot (BootOption=0x3e2d6c50) > at > /home/gary/git/edk2/MdeModulePkg/Library/UefiBootManagerLib/BmBoo > t.c:1652 > > Cheers, > > Gary Lin _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
