[RESOLVED] Win2008R2 SP1: STOP 0xAB with tag Gdbr (nt!MiCheckSessionPoolAllocations+0x13f)

Status: Resolved Update 121122: Finally! After many rounds of instrumentation we nailed this nasty bug as well! 😀 It’s now resolved in KB2786447, to be released in January 2013 (REL13-01). Update 120417: We currently have a new round of instrumentation running… fingers crossed! Update 120323: After opening an RFC for this we got new dumps with…

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[RESOLVED] Win2012 – STOP 0xD1 in NETIO!RtlCopyMdlToMdlIndirect+0x32

Status: Resolved, external. This was the first STOP I saw on Win2012 from one of my customers. The problem here was confirmed by HP to be in the NIC driver. Have a look at the stack below, and contact HP support if you encounter the same issue. 00 fffff802`80eb6058 fffff802`7f47a069 nt!KeBugCheckEx01 fffff802`80eb6060 fffff802`7f4788e0 nt!KiBugCheckDispatch+0x6902 fffff802`80eb61a0…

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[RESOLVED] Win2008SP2: 0xc0000005 in wsxica!GetAutologonCredentials3+ab1

Status: Resolved, external. Update 121122: Shame on me for not updating this yet… Citrix eventually resolved this issue, please contact them when you encounter the issue below. At the moment we are working together with Citrix on an issue where the Terminal Service svchost.exe process crashes in wsxica!GetAutologonCredentials3+ab1. This looks to be caused by heap…

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[UNRESOLVED] Win2008R2 SP1: Machines freeze (rdbss!RxLowIoSubmit+0x2c3)

Status: Unresolved, workaround provided. Update 121122: Closing the loop… this was never actually resolved, and our customer agreed to use the workaround of disabling scardhook.dll. Update 110818: Citrix found that it’s likely that a cryptographic service provider (CSP) installed on the machine is not functioning as it should. We have asked the customer to engage…

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[UNRESOLVED] Win2008R2 SP1: STOP 0x3B in RDPDD!CAutoDrvCheck::CAutoDrvCheck+5d

Status: Unresolved, workaround provided. Update 121122: Closing the loop on this one… we have also seen a slight variation on this with “RDPDD!CAutoDrvCheck::CAutoDrvCheck+0x5e” instead of offset 0x5d as shown below. A hotfix request for this was rejected, and also on Windows Server 2012 this problem can occur. It only happens when having two or more…

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[RESOLVED] Win2008R2 SP1: STOP X64_0x44_rdpdr!CVCChannel::OnClose+146

Status: Resolved   Update 121122: Not 100% conclusive, but I came across KB2780102, released in December, that seems very likely to resolve this STOP as well. If not, do let me know! Hi All, just came across error X64_0x44_rdpdr!CVCChannel::OnClose+146 with the following stack: 00 fffff880`110db7f8 fffff800`01e6ce40 nt!KeBugCheckEx01 fffff880`110db800 fffff880`0bf102b6 nt! ?? ::FNODOBFM::`string’+0x4195202 fffff880`110db8f0 fffff880`0bf0de46 rdpdr!CVCChannel::OnClose+0x14603…

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[RESOLVED] Win2008R2SP1 – STOP X64_0x50_win32k!vFreeKernelSectionForUserMapping+22

Status: Resolved Hello All,   For quite some time now we have been working on the STOP X64_0x50_win32k!vFreeKernelSectionForUserMapping+22. It’s now resolved and the hotfix for it will be released in December, under KB2781406. The stack: 00 fffff880`11b9aa28 fffff960`002382d2 nt!KeBugCheckEx01 fffff880`11b9aa30 fffff960`000c66e0 win32k!vFreeKernelSectionForUserMapping+0x2202 fffff880`11b9aa70 fffff960`000c697c win32k!SURFACE::bDeleteSurface+0x47c03 fffff880`11b9abc0 fffff960`002124bc win32k!bDeleteSurface+0x3404 fffff880`11b9abf0 fffff800`018cc453 win32k!NtGdiEngDeleteSurface+0x5805 fffff880`11b9ac20 000007fe`feeb6f3a nt!KiSystemServiceCopyEnd+0x13 I…

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DiP is alive again!

Hello All,   Finally! I’ve found the time to start working on this blog again… sorry for having not updated it for a few months. :$ I am aiming to at least weekly provide some update here one way or another. I hope you will still find it useful. As always, please do send feedback…

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