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[Bug 1000703] New: CL CS8900A driver: assertion fail in 8-bit mode
- From: bugzilla-daemon at ecoscentric dot com
- To: ecos-bugs at ecos dot sourceware dot org
- Date: Sat, 28 Feb 2009 22:15:39 +0000
- Subject: [Bug 1000703] New: CL CS8900A driver: assertion fail in 8-bit mode
http://bugs.ecos.sourceware.org/show_bug.cgi?id=1000703
Summary: CL CS8900A driver: assertion fail in 8-bit mode
Product: eCos
Version: 3.0beta1
Platform: Other (please specify)
OS/Version: All
Status: UNCONFIRMED
Severity: normal
Priority: normal
Component: Ethernet
AssignedTo: gary@mlbassoc.com
ReportedBy: sergei.gavrikov@gmail.com
QAContact: ecos-bugs@ecos.sourceware.org
Class: ---
Created an attachment (id=653)
--> (http://bugs.ecos.sourceware.org/attachment.cgi?id=653)
A patch to fix a problem
The 'bug' can be reproduced 1) only on Olimex LPC-E2294 target (this is only
one target which uses CL CS8900A Ethernet controller in 8-bit non-interrupt
driven mode) and 2) when tracing is enabling only. See attached gdb.txt for
details.
I'm sorry that I never build eCos 'net' template with tracing enabling. Today I
found that one assertion fails in if_cs8900a.c: cs8900a_init(). The 'bug' is an
order of an initializing the Ethernet delivery hooks (interrupt vs. thread).
Assertion occurs on cyg_interrupt_attach call, but this call shouldn't be
invoked for the target.
A patch is attached (diff has been done against ecos-v3_0-branch). The patched
ecos-3.0b1 sources were retested with 'net' template and with tracing on/off.
The patch can be applied and against CVS HEAD too.
Sergei
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