linux-kernel - Re: [Adi-buildroot-devel] [Consult] blackfin: About one building break issue for STACKTRACE

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Message-ID: <BLU437-SMTP335115225566F0949207E9B9E10@phx.gbl>
Date:	Sun, 19 Apr 2015 12:58:37 +0800
From:	Chen Gang <xili_gchen_5257@...mail.com>
To:	"Zhang, Sonic" <Sonic.Zhang@...log.com>,
	"realmz6@...il.com" <realmz6@...il.com>,
	Richard Weinberger <richard.weinberger@...il.com>
CC:	"adi-buildroot-devel@...ts.sourceforge.net" 
	<adi-buildroot-devel@...ts.sourceforge.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Adi-buildroot-devel] [Consult] blackfin: About one building
 break	issue for STACKTRACE

On 4/18/15 06:20, Chen Gang wrote:
> On 4/17/15 22:02, Chen Gang wrote:
>> On 4/17/15 11:02, Zhang, Sonic wrote:
>>> Hi Gang,
>>>
>>> Please only use the GCC for Blackfin 2013R1 or 2014R1 from https://sourceforge.net/projects/adi-buildroot/files/ . Upstream GCC5 isn't ported to Blackfin properly.
>>>

For building linux-next with allmodconfig by upstream gcc5, at present, I
found 2 issues totally, and report them to upstream gcc bugzilla:

 - For stacktrace.c issue:

   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65804
   "blackfin: Not support global frame pointer with -fno-omit-frame-pointer"

 - For coredump issues (for duplication reason, only report one, now):

   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65803
   "blackfin: internal compiler error: segment fault linux kernel"

At least, I shall try to fix the coredump issues within this month (
although at present, I guess, I can not send patch v1 for it within
2015-04-20).


Thanks.
-- 
Chen Gang

Open, share, and attitude like air, water, and life which God blessed
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