linux-kernel - Re: PCIe Hotplug: NFG unless I boot with card already inserted.

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]

Message-ID: <47150982.6050102@rtr.ca>
Date:	Tue, 16 Oct 2007 14:57:06 -0400
From:	Mark Lord <lkml@....ca>
To:	Kristen Carlson Accardi <kristen.c.accardi@...el.com>
Cc:	pcihpd-discuss@...ts.sourceforge.net,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: PCIe Hotplug:  NFG unless I boot with card already inserted.

Kristen Carlson Accardi wrote:
> On Tue, 16 Oct 2007 14:39:33 -0400
> Mark Lord <lkml@....ca> wrote:
> 
>> I also checked my modprobe.d/ options, and I am using pciehp_force=1.
>> Without that flag, none of this ever works.
> 
> OK - I suspected something like this.  Most Dell computers don't support
> ExpressCard hotplug using Native PCIe -- in fact, I've not seen a single
> one, they explicitly disable it because they have not validated it or
> they have and something didn't work right.  I'll take a look at what you've
> got, but be aware that you are forcing pciehp to load and operate on a system
> where they've certainly either not tested it, or tested it and something
> bad happened.

Perhaps.  But this one works perfectly, except for two driver bugs:

1. Driver does not notice already-inserted cards after modprobe.
2. Driver fails to function after suspend/resume until reloaded.

Both of those are fixable in the kernel.

Cheers
-
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/