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gdb/165: GDB doesn't recover gracefully from remote protocol errors.



>Number:         165
>Category:       gdb
>Synopsis:       GDB doesn't recover gracefully from remote protocol errors.
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jul 06 20:28:23 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     ac131313@cygnus.com
>Release:        unknown-1.0
>Organization:
>Environment:

>Description:
GDB doesn't recover gracefully from remote protocol errors.

GDB wasn't checking for NAKs from the remote target.  Instead a NAK is
ignored and a timeout is required before GDB retries.  A pre-cursor to
fixing this this is making GDB's remote protocol packet more robust.

While downloading to a remote protocol target, gdb ignores packet
errors in so far as it will continue to download with chunk N+1 even
if chunk N was not correctly sent.  This causes gdb.base/remote.exp to
take a painfully long time to run.  As a PS that test needs to be
fixed so that it builds on 16 bit machines.
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:


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