[RESOLVED] Win2008R2: STOP 0x27 in mrxsmb20!Smb2ReconnectOpen_Finalize+0x74

Status: Resolved Update 111206: After discussing this with our customer they agreed to accept the workaround of increasing memory for the impacted machines. Update 110823: Finally I found the trigger for this STOP error: memory pressure. Further looking into this now to see if we can indeed trigger the problem this way. Update 110706: We…

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[UNRESOLVED] Win2008SP2 x86: explorer.exe crashes in shell32!CChangeNotify::_MessagePump+0x45

Status: Unresolved Update 111128: The customer decided to stop troubleshooting efforts on this issue, and first bring their environment up-to-date with various updates of various vendors. If the issue then reoccurs, we will continue where we left off. Update 111117: This is still ongoing… in various dumps I see the stack is corrupted. We are in…

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[RESOLVED] Win2008R2 RTM/SP1: STOP 0x27 in rdbss!RxSelectPagingFileObject+9a

Status: Resolved Update 111019: Finally an update on this… KB2584874 will be released in November timeframe (HTP11-11) for this. We’ve come across a couple of customers who have machines hitting a STOP 0x27 with the following stack: 5: kd> knL # Child-SP          RetAddr           Call Site00 fffff880`0aad1590 fffff800`018a1bbb nt!MiCanFileBeTruncatedInternal+0x2e01 fffff880`0aad1610 fffff880`04a035fa nt!MmCanFileBeTruncated+0x2302 fffff880`0aad1650 fffff880`04a23dac rdbss!RxSelectPagingFileObject+0x9a03 fffff880`0aad16a0 fffff880`04a0469c…

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[RESOLVED] Win2003SP2: STOP 0x8E in win32k!xxxRedrawWindow+0x4c

Status: Resolved Note: a workaround to provide relief to your users is to disconnect sessions instead of logging them off. Update 111012: GOOD NEWS! The hotfix for this issue has been rolled up in the QFE version of MS11-077. Install this using /b:sp2qfe. Update 110928: There is no news on a public version of the…

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[RESOLVED] Win2008R2/Win7 RTM/SP1: STOP 0xA in NETIO!RtlCopyMdlToMdlIndirect+e5

Status: Resolved In one of our cases, I came across a dump that shows a known problem that is fixed. The root cause here is an issue in the caching logic of mrxsmb20.sys. This is causing data corruption, eventually leading up to a STOP error. The stack (Win2008R2 SP1); ChildEBP RetAddr  82f78118 8b4e5ac0 nt!memcpy+0x3382f7814c 8b66261b NETIO!RtlCopyMdlToMdlIndirect+0xe582f782ac 8b66fe9e tcpip!TcpSatisfyReceiveRequests+0x27582f78348…

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Holiday is here!

All, I’m off for a short break of a week. During this time I will be 99,9% offline, so no posts will be done. Looking forward to let you know new interesting issues when I return on 27th September!   \Rob

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[RESOLVED] Win7SP1 x86: STOP 0x7F in cng!SHATransformP3+2c

Status: Resolved Update 110930: The KB article for this will be 2592339. Issue resolved, case closed. 😉 Update 110811: Customer confirmed the workaround is working! 🙂 Now we wait for the hotfix… scheduled for HTP11-10. Update 110808: As a workaround, you can set the encryption level for RDP to Low. This way only client ->server…

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Just a short update…

Hello World, 🙂 Just a short update to let you know I’ve been completely swamped with casework lately, which made me unable to work on this blog as much as I wanted to. I’ll be catching up on this next week, enjoying a week holiday thereafter. As always, please do let me know if this…

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[RESOLVED] Win2008R2SP1: STOP 0x44 in srv2!Smb2FreeResponseBufferForAsyncCall+0x1c

Status: Resolved Final Update 110823: The hotfix will be released in the October timeframe (HTP11-10). Update 110815: We will now proceed with building a private hotfix package. As soon as that gets approved, we will release a public hotfix under KB2552033. Stay tuned! Update 110810: Another customer came in with this issue. Other customers confirmed…

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[RESOLVED] Win2008R2 RTM/SP1: STOP 0x44 in mrxsmb!RxCeCompleteConnectRequest+367

Status: Resolved Update 110815: The KB for this STOP error has gone live. You can find it here. Update 110522: I am still trying to replicate the circumstances that triggered this problem to happen so often at one customer, but not for millions of other customers. As soon as we understand the trigger/catalyst, I’ll update…

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