Windows update vs. cygrunsrv

Jason Pyeron jpyeron@pdinc.us
Tue Oct 18 16:56:00 GMT 2005


Updating cygwin seemd to fix it, a client just called and indicated that 
her computer was "slow".

On Thu, 13 Oct 2005, Pavel Tsekov wrote:

> On Wed, 12 Oct 2005, Brian Dessent wrote:
>
>> Eric Blake wrote:
>>
>>> I don't know it this was unique to my machine, but am
>>> reporting it in case anyone else runs into the same
>>> issue.  When running Microsoft update today, on Win2k,
>>> the patch for Security Update for DirectX 9 for Windows
>>> 2000 (KB904706) hung during installation, with an
>>> instance of cygrunsrv hogging 100% CPU, until I had
>>> stopped every last one of my cygrunsrv processes.  I
>>> don't know what the Microsoft update was trying to do
>>> to running services during the update, but it obviously
>>> didn't interact very well with cygrunsrv.
>
> I've just installed this update too. cygrunsrv was using about 80 %
> of the CPU while CSRSS.EXE was using what was left. Here are backtraces
> from cygrunsrv and cygserver at the time the hang occured - both look
> pretty strange, both indicate that the programs are stuck in NTDLL.DLL.
>
> [cygrunsrv]
>
> (gdb) thread 1
> [Switching to thread 1 (thread 700.0x2b8)]#0  0x77f82926 in HT_Get8BPPMaskPalette () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82926 in HT_Get8BPPMaskPalette () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x7c5862e9 in ReadFile () from /mnt/c/WINNT/system32/KERNEL32.DLL
> #2  0x000000f0 in ?? ()
> #3  0x00000000 in ?? () from
>
> (gdb) thread 2
> [Switching to thread 2 (thread 700.0x2c4)]#0  0x77f82926 in HT_Get8BPPMaskPalette () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82926 in HT_Get8BPPMaskPalette () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x7c5862e9 in ReadFile () from /mnt/c/WINNT/system32/KERNEL32.DLL
> #2  0x000000e8 in ?? ()
> #3  0x00000000 in ?? () from
>
> (gdb) thread 3
> [Switching to thread 3 (thread 700.0x2c8)]#0  0x77f8287e in HT_Get8BPPMaskPalette () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f8287e in HT_Get8BPPMaskPalette () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x7c59a1af in WaitForMultipleObjectsEx () from /mnt/c/WINNT/system32/KERNEL32.DLL
> #2  0x00000001 in ?? ()
> #3  0x18bfed58 in ?? ()
> #4  0x00000001 in ?? ()
> #5  0x00000000 in ?? () from
>
> [Switching to thread 4 (thread 700.0x2f0)]#0  0x77f82926 in HT_Get8BPPMaskPalette () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82926 in HT_Get8BPPMaskPalette () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x7c5862e9 in ReadFile () from /mnt/c/WINNT/system32/KERNEL32.DLL
> #2  0x0000012c in ?? ()
> #3  0x00000000 in ?? () from
>
> (gdb) thread 5
> [Switching to thread 5 (thread 700.0x780)]#0  0x77f813b2 in HT_Get8BPPMaskPalette () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f813b2 in HT_Get8BPPMaskPalette () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x7c57fe8f in KERNEL32!DebugActiveProcess () from /mnt/c/WINNT/system32/KERNEL32.DLL
> #2  0x7c57fe66 in KERNEL32!DebugActiveProcess () from /mnt/c/WINNT/system32/KERNEL32.DLL
> #3  0xffffffff in ?? ()
> #4  0x192dffb4 in ?? ()
> #5  0x61004055 in _cygtls::call2 (func=0, arg=0x0, buf=0x192deff0) at ../../../../src/winsup/cygwin/cygtls.cc:96
> #6  0x00000000 in ?? () from
>
>
> [cygserver]
>
> Load new symbol table from "/usr/sbin/cygserver.exe"? (y or n) y
> Reading symbols from /usr/sbin/cygserver.exe...done.
> [Switching to thread 764.0x6fc]
> (gdb) bt
> #0  0x77f813b2 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0xffffffff in ?? ()
> #2  0x1a7cffb4 in ?? ()
> #3  0x61004055 in _cygtls::call2 (func=0, arg=0x0, buf=0x1a7ceff0) at ../../../../src/winsup/cygwin/cygtls.cc:96
> #4  0x00000000 in ?? () from
> (gdb) thread 2
> [Switching to thread 2 (thread 764.0x2e8)]#0  0x77f82926 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82926 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x00000000 in ?? () from
> (gdb) thread 3
> [Switching to thread 3 (thread 764.0x2f4)]#0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x00000000 in ?? () from
> (gdb) thread 4
> [Switching to thread 4 (thread 764.0x300)]#0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x00000000 in ?? () from
> (gdb) thread 5
> [Switching to thread 5 (thread 764.0x304)]#0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x00000000 in ?? () from
> (gdb) thread 6
> [Switching to thread 6 (thread 764.0x308)]#0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x00000000 in ?? () from
> (gdb) thread 6
> [Switching to thread 6 (thread 764.0x308)]#0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x00000000 in ?? () from
> (gdb) thread 8
> [Switching to thread 8 (thread 764.0x310)]#0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x00000000 in ?? () from
> (gdb) thread 9
> [Switching to thread 9 (thread 764.0x314)]#0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x00000000 in ?? () from
> (gdb) thread 10
> [Switching to thread 10 (thread 764.0x318)]#0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> (gdb) bt
> #0  0x77f82870 in RpcSsDontSerializeContext () from /mnt/c/WINNT/system32/NTDLL.DLL
> #1  0x00000000 in ?? () from
>
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