From: Jeff Garzik <jgarzik@pobox.com>
To: Matheus Izvekov <izvekov@lps.ele.puc-rio.br>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
linux-kernel@vger.kernel.org,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>
Subject: Re: libata sata_sil broken on 2.6.13.1
Date: Wed, 21 Sep 2005 22:46:49 -0400 [thread overview]
Message-ID: <43321B19.7000302@pobox.com> (raw)
In-Reply-To: <60542.200.141.101.221.1126908642.squirrel@correio.lps.ele.puc-rio.br>
Matheus Izvekov wrote:
>>Essentially that is what happened. Albert's patch simply fixed it
>>another way.
>>
>>ATA is a bit annoying in that, we try to "know" when an interrupt is
>>expected. There is no 100% solution that simply allows us to check for
>>pending interrupts, without side effects.
>>
>>Thus the explosion when unexpected interrupts are received.
>>
>
>
> What do you think would be proper fix, this patch from Albert, or maybe
Albert's patch should be the proper fix.
> just trapping the interrupts (plus not have the IRQ shared with other
> devices?). Also, what keeps Albert's patch from making into mainline, it
> just needs more testing or are there any known problems?
Albert's patch needs to be fleshed out a bit more. No fundamental
problems, just the stuff I mentioned, plus a final review.
It also needs to be tested on EVERY controller that we support, since
this is a fundamental change in how ALL sata devices are probed.
Jeff
prev parent reply other threads:[~2005-09-22 2:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <61637.200.141.106.169.1126660632.squirrel@correio.lps.ele.puc-rio.br>
[not found] ` <60519.200.141.106.169.1126727337.squirrel@correio.lps.ele.puc-rio.br>
[not found] ` <43290893.7070207@pobox.com>
[not found] ` <1126790860.19133.75.camel@localhost.localdomain>
[not found] ` <61929.200.141.106.169.1126815191.squirrel@correio.lps.ele.puc-rio.br>
[not found] ` <1126823405.7034.14.camel@localhost.localdomain>
[not found] ` <61375.200.141.106.169.1126842173.squirrel@correio.lps.ele.puc-rio.br>
2005-09-16 6:41 ` libata sata_sil broken on 2.6.13.1 Jeff Garzik
2005-09-16 22:10 ` Matheus Izvekov
2005-09-22 2:46 ` Jeff Garzik [this message]
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=43321B19.7000302@pobox.com \
--to=jgarzik@pobox.com \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=izvekov@lps.ele.puc-rio.br \
--cc=linux-ide@vger.kernel.org \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).