Description of problem: DTR/DSR flow control is not implemented in the serial driver in the Linux kernel. Version-Release number of selected component (if applicable): kernel-2.6.18-84.el5 Additional info: DTR/DSR is often used for serial printers and other serial hardware (with the exception of modems).
*** This bug has been marked as a duplicate of 445215 ***
bug 445215 for kernel component bug 445213 for coreutils component
Created attachment 308359 [details] first test patch (latest git based) made some tests between a Windows box and a machine running this patch, both sides using a custom application.
Created attachment 308360 [details] first test patch gah, forgot to remove the debug crap.
Created attachment 309219 [details] test case test case written using the sample code found on https://bugzilla.redhat.com/attachment.cgi?id=309183 (BZ#445215, comment 23)
Created attachment 309849 [details] updated test case updated test case
Any results from the tests?
Created attachment 315299 [details] [1/2] backport termiox support
Created attachment 315300 [details] [2/2] add support for DTR/DSR flow control
Created attachment 315301 [details] updated test case
in kernel-2.6.18-110.el5 You can download this test kernel from http://people.redhat.com/dzickus/el5
Patch wasn't complete and was missing a mutex lock. Moving to POST state to pick up for next kernel spin.
in kernel-2.6.18-118.el5 You can download this test kernel from http://people.redhat.com/dzickus/el5
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2009-0225.html