Hi Arka, I will help to look into this problem and will try to reproduce it first.
Best Regards, Hao Wu > -----Original Message----- > From: edk2-devel [mailto:[email protected]] On Behalf Of Arka > Sharma > Sent: Wednesday, April 12, 2017 2:05 PM > To: Tian, Feng > Cc: [email protected] > Subject: Re: [edk2] NvmExpressDxe async application crash with UDK debugger > > Please find attached source. Also the variables to detect completion are > not volatile. I have checked in disassembly they are fetched from memory in > the completion loop. > > Regards, > Arka > > On 12 Apr 2017 10:37 a.m., "Tian, Feng" <[email protected]> wrote: > > > Arka, > > > > Could you please share us your test code? > > > > Thanks > > Feng > > > > -----Original Message----- > > From: edk2-devel [mailto:[email protected]] On Behalf Of > > Arka Sharma > > Sent: Wednesday, April 12, 2017 12:59 PM > > To: [email protected] > > Subject: [edk2] NvmExpressDxe async application crash with UDK debugger > > > > Hi, > > > > I am testing async io in NvmExpressDxe. The target system is Asrock > > Z97 which I have connected to host with serial port where UDK debugger is > > running. So my application does following > > > > 1. CreateEvent > > 2. Call Passthru > > 3. CmdSent++; > > 4. Repeat 1-3 until not ready from driver 5. while (CmdRecd < CmdSent); 4. > > Close all the events. > > > > CmdRecvd is incremented inside EventCallback. I am allocating both CmdSent > > and CmdRecvd and passing the address of CmdRecvd in CreateEvent. With > this > > I face WinDbg exception quite often and it says "Target encountered an > > exception: Vector = 6, Error Code = 00000000". > > I can share the application code for more clarity. I am building with /Od > > and GenFw with --keepexceptiontable > > > > Regards, > > Arka > > _______________________________________________ > > edk2-devel mailing list > > [email protected] > > https://lists.01.org/mailman/listinfo/edk2-devel > > > _______________________________________________ > edk2-devel mailing list > [email protected] > https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
