From: Christian Borntraeger <kernel@borntraeger.net>
To: dan carpenter <error27@email.com>, Bart Samwel <bart@samwel.tk>,
linux-kernel@vger.kernel.org
Subject: Re: ide-scsi scheduling while atomic in linux-2.6.0-test11
Date: Wed, 10 Dec 2003 08:03:29 +0100 [thread overview]
Message-ID: <200312100803.29578.kernel@borntraeger.net> (raw)
In-Reply-To: <200312092120.18367.error27@email.com>
dan carpenter wrote:
> > ide-scsi scheduling while atomic in linux-2.6.0-test11
>
> You don't need ide-cd to burn cds in 2.6 so the easiest fix is to just
> stop using ide-cd. Anyway, here is the buggy code that causes the
> problem:
ide-scsi....ide-cd is working.
>
> drivers/scsi/ide-scsi.c
> 895: spin_lock_irqsave(&ide_lock, flags);
> 896: while (HWGROUP(drive)->handler) {
> 897: HWGROUP(drive)->handler = NULL;
> 898: schedule_timeout(1);
> 899: }
>
> The fix is quite complicated and I don't know how to do it correctly. :/
First idea I have is to replace the spinlocks with semaphores.
cheers
CHristian
next prev parent reply other threads:[~2003-12-10 7:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-10 5:30 ide-scsi scheduling while atomic in linux-2.6.0-test11 Bart Samwel
2003-12-10 5:20 ` dan carpenter
2003-12-10 7:03 ` Christian Borntraeger [this message]
2003-12-11 0:53 ` bill davidsen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200312100803.29578.kernel@borntraeger.net \
--to=kernel@borntraeger.net \
--cc=bart@samwel.tk \
--cc=error27@email.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.