linux-kernel - Re: 2.6.29 regression: ATA bus errors on resume

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 26 May 2009 13:58:54 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Niel Lambrechts <niel.lambrechts@...il.com>,
	"linux.kernel" <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.29 regression: ATA bus errors on resume

Alan Cox wrote:
>> something to the cdrom which is attached to ata2.  Something very
>> fishy is going on there.  Sounds like an electric or some sort of
>> interference problem but I'm not sure.  :-(
> 
> I'm just wondering what happens on a resume if a phy change event is seen
> by the phy before or during the time registers (such as the port mappings
> on an ICH) are being restored (or not restored even). That seems to be one
> way you could get an event on the wrong port.

It doesn't really matter.  Before the ports are resumed, all such
events are ignored.

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/