linux-kernel - [GIT BISECT -next] mem.c: could not login on console of fedora 10

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Message-ID: <4AADEA82.8000500@np.css.fujitsu.com>
Date:	Mon, 14 Sep 2009 16:02:26 +0900
From:	Jin Dongming <jin.dongming@...css.fujitsu.com>
To:	Jiri Kosina <jkosina@...e.cz>, gregkh <gregkh@...e.de>
Cc:	LKLM <linux-kernel@...r.kernel.org>,
	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
Subject: [GIT BISECT -next] mem.c: could not login on console of fedora 10

When I build and boot -next on fedora 10, I can not login anymore.
When I input the user name and password, the system does not output
any message and requires user to input the user name and password
again and again.

I find the patch which caused this problem with "GIT BISECT" command.
And the patch is
    commit 7c4b7daa1878972ed0137c95f23569124bd6e2b1
    "mem_class: use minor as index instead of searching the array".

Though I don't know the real reason why user could not login, I
confirmed the patch I made as following could resolve the problem on
fedora 10.

Signed-off-by: Jin Dongming <jin.dongming@...css.fujitsu.com>
---
 drivers/char/mem.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index bed3503..0491cdf 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -878,8 +878,8 @@ static const struct memdev {
 	[ 4] = { "port", &port_fops, NULL },
 #endif
 	[ 5] = { "zero", &zero_fops, &zero_bdi },
-	[ 6] = { "full", &full_fops, NULL },
-	[ 7] = { "random", &random_fops, NULL },
+	[ 7] = { "full", &full_fops, NULL },
+	[ 8] = { "random", &random_fops, NULL },
 	[ 9] = { "urandom", &urandom_fops, NULL },
 	[11] = { "kmsg", &kmsg_fops, NULL },
 #ifdef CONFIG_CRASH_DUMP
-- 
1.6.2.2
--
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