[Bug 10699] New: Serial read fails on USB serial ports

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=10699

           Summary: Serial read fails on USB serial ports
           Product: Wine
           Version: 0.9.23.
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: wine-kernel
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: fmgrotepass at yahoo.co.uk


Regression test resolved to the following

d990c0d8e50c5eaabac8b855b9511cbc42d783bd is first bad commit
commit d990c0d8e50c5eaabac8b855b9511cbc42d783bd
Author: Eric Pouech <eric.pouech at wanadoo.fr>
Date:   Sat Sep 30 21:20:41 2006 +0200

ntdll-kernel32: WaitCommEvent.

- implemented IOCTL_SERIAL_WAIT_ON_MASK for DeviceIoControl on serial lines in
ntdll
- now using thread pool (instead of simple thread) for the background
operations (this should help some high load situations)
- used this to implement WaitCommEvent on top NtDll functions
- in kernel32, removed now the no longer used termios/ioctls...
for comm devices

 :040000 040000
 81c8f4005d4d3815961dfe1823f5df3f385c9fa9
 4403c1cfbc8bd44971780af3a0280b79c59285c1
 M     dlls

In the vesions before this one, the serial communications worked fine with USB
to RS232 converters. From this version onwards, they failed to read properly.

Hardware used
Standard Dell Optiplex GX620

Gentoo x86 system using 2.6.23 kernel. Also tested system with stock kernel
2.6.17
USB converters tested:
VSCom 8 port USB converter using the USB_SERIAL_FTDI_SIO module
Keyspan singleport USA-19QW using the USB_SERIAL_KEYSPAN_USA19QW module


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