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| | Vista - STOP 0x0000007E - VMNetSrv |
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| 06-11-2008 | #1 |
| | STOP 0x0000007E - VMNetSrv Hi there, We have a Windows 2003 Enterprise R2 x64 environment running Virtual Server 2005 R2 SP1. We have been experiencing an issue with the NICS (two NICS in a Team) where intermittently, the server will stop responding to network requests. From the server itself you can still ping the loopback address, but it can't reach any external resources. Other server cannot reach this server. When trying to disable the NIC's, the server will hang and require a reboot. We have suspected that the issue is related to Virtual Server, and recently received a BSOD while trying to shutdown the server after this hang was encountered (we always try a graceful shutdown first). I have included below the output of the WINDBG !analyze -v. When digging into the exception details (.exr), the exception is an Access violation (c0000005) trying to read from 0xffffffffffffffff, which is obviously invalid and leads me to beleive this might be a bug in VmNetSrv.sys. Is this a known issue? BugCheck 7E, {ffffffffc0000005, fffffade5ae31578, fffffade5ba94850, fffffade5ba94260} YSTEM_THREAD_EXCEPTION_NOT_HANDLED (7e) This is a very common bugcheck. Usually the exception address pinpoints the driver/function that caused the problem. Always note this address as well as the link date of the driver/image that contains this address. Arguments: Arg1: ffffffffc0000005, The exception code that was not handled Arg2: fffffade5ae31578, The address that the exception occurred at Arg3: fffffade5ba94850, Exception Record Address Arg4: fffffade5ba94260, Context Record Address Debugging Details: ------------------ EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s. FAULTING_IP: NDIS!ndisReturnNetBufferListFromPacket+8 fffffade`5ae31578 488b4110 mov rax,qword ptr [rcx+10h] EXCEPTION_RECORD: fffffade5ba94850 -- (.exr 0xfffffade5ba94850) ExceptionAddress: fffffade5ae31578 (NDIS!ndisReturnNetBufferListFromPacket+0x0000000000000008) ExceptionCode: c0000005 (Access violation) ExceptionFlags: 00000000 NumberParameters: 2 Parameter[0]: 0000000000000000 Parameter[1]: ffffffffffffffff Attempt to read from address ffffffffffffffff CONTEXT: fffffade5ba94260 -- (.cxr 0xfffffade5ba94260) rax=0000000000000002 rbx=fffffade6e560d00 rcx=49393a6c31acd401 rdx=fffffade6f0964e0 rsi=fffffade6e560d00 rdi=fffffade6f0964b0 rip=fffffade5ae31578 rsp=fffffade5ba94a78 rbp=00000000ffffff00 r8=0000000000000000 r9=5bcdee3822000000 r10=5bcdee3823300001 r11=fffffade5ba94ad8 r12=fffffade6e560d10 r13=0000000000000001 r14=0000000000000002 r15=0000000000000000 iopl=0 nv up ei pl zr na po cy cs=0010 ss=0018 ds=002b es=002b fs=0053 gs=002b efl=00010247 NDIS!ndisReturnNetBufferListFromPacket+0x8: fffffade`5ae31578 488b4110 mov rax,qword ptr [rcx+10h] ds:002b:49393a6c`31acd411=???????????????? Resetting default scope DEFAULT_BUCKET_ID: DRIVER_FAULT PROCESS_NAME: System CURRENT_IRQL: 2 ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s. READ_ADDRESS: ffffffffffffffff BUGCHECK_STR: 0x7E LAST_CONTROL_TRANSFER: from fffffade5ae741e8 to fffffade5ae31578 STACK_TEXT: fffffade`5ba94a78 fffffade`5ae741e8 : fffffade`6dd57640 fffffade`58eb7141 fffffade`58e07e10 fffff800`01033284 : NDIS!ndisReturnNetBufferListFromPacket+0x8 fffffade`5ba94a80 fffffade`598f422d : fffffade`6e560d00 00000000`ffffffff fffffade`6e560d00 fffffade`6f71c110 : NDIS!NdisReturnPackets+0x68 fffffade`5ba94ae0 fffffade`598f9871 : fffffade`6e560d00 fffffade`6e46a600 fffffade`6f71c040 fffffade`6f71c110 : VMNetSrv+0x222d fffffade`5ba94b30 fffffade`5ae73957 : 00000000`00000000 00000000`00000000 fffffade`70b23000 00000000`00000004 : VMNetSrv+0x7871 fffffade`5ba94b60 fffffade`58e10cd1 : fffffade`6c088d90 fffffade`6e46a600 fffffade`58e07e10 fffffade`6b4b82e8 : NDIS!NdisReturnPackets+0x15a fffffade`5ba94bc0 fffffade`58e1753c : fffffade`6b4b82a0 00000000`00000000 fffffade`6c2ad020 fffffade`6b4b82e8 : afd!AfdReturnBuffer+0x179 fffffade`5ba94bf0 fffffade`58e2e0ab : fffffade`00000002 fffffade`6b4b82a0 fffffade`6b4b82a0 fffffade`6b4b8350 : afd!AfdFreeNPConnectionResources+0x12a fffffade`5ba94c20 fffffade`58e2e143 : fffffade`6b4b82a0 fffffade`58dfc200 fffffade`58e07e10 fffff800`01024e30 : afd!AfdFreeConnectionResources+0x63 fffffade`5ba94c60 fffffade`58dfb4f2 : fffffade`70af9bf0 fffff800`011b0180 fffffade`58e2dfb0 fffffade`58dfc200 : afd!AfdFreeConnection+0x80 fffffade`5ba94c90 fffff800`0128e1f8 : 00000000`00000001 fffffade`6ec773c0 fffffade`6ec5b2b0 fffff800`0128e1e0 : afd!AfdDoWork+0x86 fffffade`5ba94cd0 fffff800`010375ca : 00000000`00000000 fffffade`6ec77301 00000000`00000000 fffffade`6ec773c0 : nt!IopProcessWorkItem+0x17 fffffade`5ba94d00 fffff800`0124a972 : fffffade`70af9bf0 00000000`00000080 fffffade`70af9bf0 fffffade`5b693680 : nt!ExpWorkerThread+0x13b fffffade`5ba94d70 fffff800`01020226 : fffffade`5b68b180 fffffade`70af9bf0 fffffade`5b693680 fffff800`011b4dc0 : nt!PspSystemThreadStartup+0x3e fffffade`5ba94dd0 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KxStartSystemThread+0x16 FOLLOWUP_IP: VMNetSrv+222d fffffade`598f422d 418384249c00000001 add dword ptr [r12+9Ch],1 SYMBOL_STACK_INDEX: 2 SYMBOL_NAME: VMNetSrv+222d FOLLOWUP_NAME: MachineOwner MODULE_NAME: VMNetSrv IMAGE_NAME: VMNetSrv.sys DEBUG_FLR_IMAGE_TIMESTAMP: 4639dc14 STACK_COMMAND: .cxr 0xfffffade5ba94260 ; kb FAILURE_BUCKET_ID: X64_0x7E_VMNetSrv+222d BUCKET_ID: X64_0x7E_VMNetSrv+222d Followup: MachineOwner --------- 0: kd> .exr 0xfffffade5ba94850 ExceptionAddress: fffffade5ae31578 (NDIS!ndisReturnNetBufferListFromPacket+0x0000000000000008) ExceptionCode: c0000005 (Access violation) ExceptionFlags: 00000000 NumberParameters: 2 Parameter[0]: 0000000000000000 Parameter[1]: ffffffffffffffff Attempt to read from address ffffffffffffffff 0: kd> lmvm VMNetSrv start end module name fffffade`598f2000 fffffade`59907000 VMNetSrv (no symbols) Loaded symbol image file: VMNetSrv.sys Image path: \SystemRoot\system32\DRIVERS\VMNetSrv.sys Image name: VMNetSrv.sys Timestamp: Thu May 03 08:56:52 2007 (4639DC14) CheckSum: 0001A3A8 ImageSize: 00015000 Translations: 0000.04b0 0000.04e0 0409.04b0 0409.04e0 -- -Steven Berkovitz MBC Computer Solutions Ltd. http://www.mbccs.com |
| My System Specs |
| 06-11-2008 | #2 | |
| | Re: STOP 0x0000007E - VMNetSrv Make sure you have the latest driver for your NIC's for one thing. Virtual Server doesn't really support teaming, so it's one of those may or may not work type things, but newer drivers usually help... -- Bob Comer <Microsoft MVP Windows - Virtual Machine> On Wed, 11 Jun 2008 13:54:09 -0700, Steven Berkovitz <mbcdev@xxxxxx> wrote: Quote:
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| My System Specs |
| 06-11-2008 | #3 | ||
| | Re: STOP 0x0000007E - VMNetSrv Hi Robert, Thanks for the speedy reply. All of the drivers are up-to-date. As well, TOE & Chimney have been disabled. We've even gone as far as to replace the LOM Broadcom NIC's with 2 Intel PRO/1000 PT NIC's. Do you think this issue is directly related to the teaming? Is there any documentation, official or unofficial, that says teaming is not supported? -- -Steven Berkovitz MBC Computer Solutions Ltd. http://www.mbccs.com "Robert Comer" wrote: Quote:
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| My System Specs |
| 06-11-2008 | #4 | |
| | Re: STOP 0x0000007E - VMNetSrv I haven't been able to find anything about support or no support right now, it's possible that has changed. But anyway, it sure seems to cause problems on some setups. The way to figure out if that's your problem would be to turn off teaming temporarily to see if that makes any difference... -- Bob Comer On Wed, 11 Jun 2008 14:21:00 -0700, Steven Berkovitz <mbcdev@xxxxxx> wrote: Quote:
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| My System Specs |
| 06-11-2008 | #5 | ||
| | Re: STOP 0x0000007E - VMNetSrv When the Broadcom NIC's were in use we disabled teaming but still experience the loss of network connectivity, although we never saw the BSOD. -- -Steven Berkovitz MBC Computer Solutions Ltd. http://www.mbccs.com "Robert Comer" wrote: Quote:
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| My System Specs |
| 06-12-2008 | #6 | |
| | Re: STOP 0x0000007E - VMNetSrv Hmm, maybe it's a hardware or BIOS issue of some kind. If the server has HW Virtualization, you might try turning that off to see if it makes any difference. If you're running Windows guests and they have additions, it shouldn't make much, if any, performance differences. (Installing new guests would be slower.) -- Bob Comer On Wed, 11 Jun 2008 20:49:01 -0700, Steven Berkovitz <mbcdev@xxxxxx> wrote: Quote:
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| My System Specs |
| 06-12-2008 | #7 | ||
| | Re: STOP 0x0000007E - VMNetSrv We've actually replaced the motherboard as well as all the RAM, so I think it's unlikely to be hardware related. -- -Steven Berkovitz MBC Computer Solutions Ltd. http://www.mbccs.com "Robert Comer" wrote: Quote:
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| My System Specs |
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