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From: Keith Owens <kaos@sgi.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>,
	linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org
Subject: Re: KDB blindly reads keyboard port
Date: Fri, 10 Nov 2006 06:15:57 +0000	[thread overview]
Message-ID: <16089.1163139357@kao2.melbourne.sgi.com> (raw)
In-Reply-To: Your message of "Thu, 09 Nov 2006 21:28:03 PDT." <20061110042803.GU16952@parisc-linux.org>
In-Reply-To: <200609261354.30722.bjorn.helgaas@hp.com>

Matthew Wilcox (on Thu, 9 Nov 2006 21:28:03 -0700) wrote:
>On Fri, Nov 10, 2006 at 03:23:20PM +1100, Keith Owens wrote:
>> Bjron, could you try kdb-v4.4-2.6.19-rc5-{common,ia64}-2 on your
>> problem system?  I changed kdb so it only uses the keyboard if at least
>> one console matches the pattern /^tty[0-9]*$/.  IOW, if the user
>> specifies an i8042 style console on the command line (or uses the
>> default with CONFIG_VT=y) then kdb will attempt to use that keyboard.
>> Otherwise kdb ignores a VT style console, even when the kernel is
>> compiled with CONFIG_VT=y.
>
>If I'm using an HP Integrity system with a USB keyboard, won't I still
>have a console that matches ^tty[0-9]*$ ?

Good point.  How about the console list must include /^tty[0-9]*$/
_and_ there must be an interrupt registered with a name of "i8042"
before KDB will attempt to access i8042 ports?


WARNING: multiple messages have this Message-ID (diff)
From: Keith Owens <kaos@sgi.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>,
	linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org
Subject: Re: KDB blindly reads keyboard port
Date: Fri, 10 Nov 2006 17:15:57 +1100	[thread overview]
Message-ID: <16089.1163139357@kao2.melbourne.sgi.com> (raw)
In-Reply-To: Your message of "Thu, 09 Nov 2006 21:28:03 PDT." <20061110042803.GU16952@parisc-linux.org>

Matthew Wilcox (on Thu, 9 Nov 2006 21:28:03 -0700) wrote:
>On Fri, Nov 10, 2006 at 03:23:20PM +1100, Keith Owens wrote:
>> Bjron, could you try kdb-v4.4-2.6.19-rc5-{common,ia64}-2 on your
>> problem system?  I changed kdb so it only uses the keyboard if at least
>> one console matches the pattern /^tty[0-9]*$/.  IOW, if the user
>> specifies an i8042 style console on the command line (or uses the
>> default with CONFIG_VT=y) then kdb will attempt to use that keyboard.
>> Otherwise kdb ignores a VT style console, even when the kernel is
>> compiled with CONFIG_VT=y.
>
>If I'm using an HP Integrity system with a USB keyboard, won't I still
>have a console that matches ^tty[0-9]*$ ?

Good point.  How about the console list must include /^tty[0-9]*$/
_and_ there must be an interrupt registered with a name of "i8042"
before KDB will attempt to access i8042 ports?


  parent reply	other threads:[~2006-11-10  6:15 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-26 19:54 KDB blindly reads keyboard port Bjorn Helgaas
2006-09-26 19:54 ` Bjorn Helgaas
2006-09-27  2:45 ` Keith Owens
2006-09-27  2:45   ` Keith Owens
2006-09-27 11:57   ` Matthew Wilcox
2006-09-27 11:57     ` Matthew Wilcox
2006-09-27 22:11   ` Bjorn Helgaas
2006-09-27 22:11     ` Bjorn Helgaas
2006-09-29  2:18 ` Keith Owens
2006-09-29  2:18   ` Keith Owens
2006-09-29 16:57   ` Bjorn Helgaas
2006-09-29 16:57     ` Bjorn Helgaas
2006-09-29 18:01     ` Luck, Tony
2006-09-29 18:01       ` Luck, Tony
2006-09-29 18:58       ` Bjorn Helgaas
2006-09-29 18:58         ` Bjorn Helgaas
2006-11-10  4:23 ` Keith Owens
2006-11-10  4:23   ` Keith Owens
2006-11-10  4:28   ` Matthew Wilcox
2006-11-10  4:28     ` Matthew Wilcox
2006-11-10  6:15 ` Keith Owens [this message]
2006-11-10  6:15   ` Keith Owens
2006-11-16  4:02 ` Keith Owens
2006-11-16  4:02   ` Keith Owens
2006-11-16 16:28   ` Bjorn Helgaas
2006-11-16 16:28     ` Bjorn Helgaas

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