From: "rain.wang" <rain.wang@mic.com.tw>
To: Jens Axboe <axboe@suse.de>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [rfc][patch]: fix handler race in HDIO_DRIVE_RESET path for 2.5.67-ac1
Date: Thu, 10 Apr 2003 11:37:14 +0800 [thread overview]
Message-ID: <3E94E6EA.5CF533A2@mic.com.tw> (raw)
In-Reply-To: 3E8BF293.2CC30C1F@mic.com.tw
[-- Attachment #1: Type: text/plain, Size: 170 bytes --]
Hi,
I found there's another 50 msec wait needed after the
first reset poll handler return to avoid the handler race.
but I can't find out reason why.
regards
rain.w
[-- Attachment #2: ide.c.diff.2 --]
[-- Type: text/plain, Size: 354 bytes --]
--- /usr/src/linux-2.5.67-ac1/drivers/ide/ide.c Wed Apr 9 11:31:40 2003
+++ ide.c Wed Apr 9 13:31:18 2003
@@ -1608,6 +1608,10 @@
HWGROUP(drive)->busy = 1;
spin_unlock_irqrestore(&ide_lock, flags);
(void) ide_do_reset(drive);
+
+ /* wait for another 50ms */
+ mdelay(50);
+
if (drive->suspend_reset) {
/*
* APM WAKE UP todo !!
next prev parent reply other threads:[~2003-04-10 3:25 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-22 14:03 2.5.65-ac2 -- hda/ide trouble on ICH4 Dominik Brodowski
2003-03-22 16:35 ` Alan Cox
2003-03-22 16:25 ` Dominik Brodowski
2003-03-22 17:42 ` Alan Cox
2003-03-22 16:39 ` Jan Dittmer
2003-03-23 1:03 ` Dominik Brodowski
2003-03-23 15:47 ` Alan Cox
2003-03-23 14:59 ` Dominik Brodowski
2003-03-23 18:41 ` Alan Cox
2003-03-23 18:15 ` Dominik Brodowski
2003-03-23 18:25 ` ide: indeed, using list_for_each_entry_safe removes endless looping / hang [Was: Re: 2.5.65-ac2 -- hda/ide trouble on ICH4] Dominik Brodowski
2003-03-23 22:16 ` Jan Dittmer
2003-03-24 11:08 ` PROBLEM: linux-2.5.65-ac3 does not boot whith IDE-drivers Norbert Wolff
2003-03-24 13:54 ` Alan Cox
2003-03-24 9:55 ` ide: indeed, using list_for_each_entry_safe removes endless looping / hang [Was: Re: 2.5.65-ac2 -- hda/ide trouble on ICH4] Alexander Atanasov
2003-03-24 13:59 ` Alan Cox
2003-03-24 16:01 ` Alexander Atanasov
2003-03-24 17:40 ` Alan Cox
2003-03-24 17:24 ` Alexander Atanasov
2003-03-25 4:16 ` Andre Hedrick
2003-03-25 13:59 ` Alan Cox
2003-03-25 20:05 ` Bartlomiej Zolnierkiewicz
2003-03-25 20:24 ` Bartlomiej Zolnierkiewicz
2003-04-03 7:00 ` PATCH:ide_do_reset() fix for 2.5.66 rain.wang
2003-04-03 7:16 ` Jens Axboe
2003-04-03 8:36 ` PATCH RFC :ide_do_reset() " rain.wang
2003-04-10 3:37 ` rain.wang [this message]
2003-03-22 22:03 ` [PATCH] Re: 2.5.65-ac2 -- hda/ide trouble on ICH4 Bartlomiej Zolnierkiewicz
2003-03-22 23:27 ` Alan Cox
2003-03-22 22:33 ` Bartlomiej Zolnierkiewicz
2003-03-23 9:11 ` Dominik Brodowski
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