Article ID: 193659
Article Last Modified on 10/27/2006
APPLIES TO
- Microsoft SNA Server 3.0 Service Pack 4
- Microsoft SNA Server 4.0
- Microsoft SNA Server 3.0 Service Pack 2
- Microsoft SNA Server 3.0 Service Pack 3
- Microsoft SNA Server 4.0
- Microsoft SNA Server 4.0 Service Pack 1
This article was previously published under Q193659
SYMPTOMS
While supporting a large number of concurrent APPC or CPIC allocation requests, the SNA Server service may terminate unexpectedly with an access violation. This failure will cause SNA Server to log the following event:
Source: SNA Server Event: 624 Creating dump file SNADUMP.LOG for snaservr.exe
If Drwtsn32.exe is the default debugger, the Drwtsn32.log file will indicate an access violation fault in s1prfrcb(), s1puc62() or s1prssbd().
The following Knowledge Base article describes other symptoms this problem may generate:
Article ID: 195996 Title: SNA Server Incorrectly Handles Cancelled Allocate Requests
CAUSE
This problem is due to an internal error within the SNA Server service.
RESOLUTION
SNA Server 3.0
To resolve this problem, obtain the latest service pack for SNA Server version 3.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
184307 How to Obtain the Latest SNA Server Version 3.0 Service Pack
SNA Server 4.0
This problem was corrected in the latest SNA Server version 4.0 U.S. Service Pack. For information on obtaining this Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):
S E R V P A C K
STATUS
Microsoft has confirmed that this is a problem in SNA Server version 3.0(through SP3) and SNA Server 4.0 (through SP1). This problem was first corrected in SNA Server 3.0 Service Pack 4.
MORE INFORMATION
Here's an example of how this failure may appear in the Drwtsn32.log file.
Application exception occurred:
App: exe\snaservr.dbg (pid=197)
When: 9/23/1998 @ 8:52:14.78
Exception number: c0000005 (access violation)
[ data omitted ]
State Dump for Thread Id 0x4d
eax=00000001 ebx=0117ff3c ecx=00000000 edx=003a3530 esi=0c140230
edi=003a3320
eip=0101cc92 esp=0117ff08 ebp=0117ff14 iopl=0 nv up ei pl nz na pe nc
cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000
efl=00000202
function: s1prfrcb
0101cc73 6685c9 test cx,cx
0101cc76 7464 jz s1prfrcb+0xab
(0101ccdc)
0101cc78 0fbfc1 movsx eax,cx
0101cc7b 8b348540780b01 mov esi,[s1scb+0x4e20
(010b7840)+eax*4]
0101cc82 33c0 xor eax,eax
0101cc84 6639460c cmp [esi+0xc],ax
0101cc88 0f94c0 sete al
0101cc8b 84c0 test al,al
0101cc8d 7443 jz s1prfrcb+0xa1
(0101ccd2)
0101cc8f 8b4e38 mov ecx,[esi+0x38]
FAULT ->0101cc92 8b4904 mov ecx,[ecx+0x4]
0101cc95 8a5123 mov dl,[ecx+0x23]
Keywords: kbbug kbfix KB193659
