linux-kernel - Re: kernel-4.7 bug in Intel sound and/or ACPI

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:	Wed, 22 Jun 2016 23:54:39 -0400
From:	okaya@...eaurora.org
To:	wim@....tudelft.nl
Cc:	Bjorn Helgaas <helgaas@...nel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	perex@...ex.cz, linux-pci@...r.kernel.org,
	Takashi Iwai <tiwai@...e.com>, linux-pci-owner@...r.kernel.org
Subject: Re: kernel-4.7 bug in Intel sound and/or ACPI

On 2016-06-21 18:13, Wim Osterholt wrote:
> On Tue, Jun 21, 2016 at 09:40:10AM -0400, Sinan Kaya wrote:
>> 
>> Thanks, It was a guess with no proof.
>> 
>> Let's undo the change above and start adding some print statements to 
>> collect
>> data from your system.
>> 
>> Can you add this to the end of acpi_irq_get_penalty function and then 
>> send
>> the output?
>> 
>> 	pr_info("%s:%d irq = %d penalty = %d\n", __func__, __LINE__, irq,
>> 		penalty);
>> 
> 
> This produced some 60 lines extra. Too much to include here.
> The entire dmesg file is here:
> http://webserver.djo.tudelft.nl/dmesg474+printpenalty

Thanks, let's go back to 4.6 and add a very similar printf to every 
single place where the array is modified and also right before the 
enabled message.

I am trying to find a system with similar characteristics for debug



> 
> 
> Regards, Wim.
> 
> 
> ----- wim@....tudelft.nl -----
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-pci" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html