linux-kernel - Re: [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory error trace event

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Date:	Thu, 15 Aug 2013 21:43:09 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	"Luck, Tony" <tony.luck@...el.com>
Cc:	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	"bhelgaas@...gle.com" <bhelgaas@...gle.com>,
	"rostedt@...dmis.org" <rostedt@...dmis.org>,
	"rjw@...k.pl" <rjw@...k.pl>,
	"lance.ortiz@...com" <lance.ortiz@...com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory error
 trace event

On Thu, Aug 15, 2013 at 07:14:34PM +0000, Luck, Tony wrote:
> Yes - but the serial port is too slow to log everything that you might
> conceivably need to debug your problem. Imagine trying to log every
> interrupt and every pagefault on every processor down a single 115200
> baud connection. Thus my earlier comments about guessing what to log.

Right, but a normally sized dmesg usually gets through ok. Selecting
what to log could be a very tedious and error-prone process...

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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