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From: Tony Lindgren <tony@atomide.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH 4/5] arm: Fix init_atags_procfs() to check tag->hdr.size
Date: Sat, 19 Dec 2009 10:44:18 -0800	[thread overview]
Message-ID: <20091219184418.GD11397@atomide.com> (raw)
In-Reply-To: <20091219174428.GA11397@atomide.com>

* Tony Lindgren <tony@atomide.com> [091219 09:43]:
> * Russell King - ARM Linux <linux@arm.linux.org.uk> [091219 01:02]:
> > On Fri, Dec 18, 2009 at 07:46:30PM -0800, Tony Lindgren wrote:
> > > The tag->hdr.size cannot be larger than XXX.
> > > Otherwise we can getsomething similar during boot:
> > > 
> > > Unable to handle kernel paging request at virtual address 61a05020
> > > ...
> > 
> > NAK.
> > 
> > Why can't people get the simple ATAG setup right?  Fix the boot loader.
> 
> In this case why can't the kernel get ATAG setup right?
> 
> This only happens when kexec rebooting multiple times in a row.
> 
> Sounds like something is not memset/kzalloc'd somewhere?

Heh. I can't reproduce this any longer. I bet it was caused by
the bug in my earlier reboot script that kept appending another
root= to the cmdline every reboot :)

Tony


WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/5] arm: Fix init_atags_procfs() to check tag->hdr.size
Date: Sat, 19 Dec 2009 10:44:18 -0800	[thread overview]
Message-ID: <20091219184418.GD11397@atomide.com> (raw)
In-Reply-To: <20091219174428.GA11397@atomide.com>

* Tony Lindgren <tony@atomide.com> [091219 09:43]:
> * Russell King - ARM Linux <linux@arm.linux.org.uk> [091219 01:02]:
> > On Fri, Dec 18, 2009 at 07:46:30PM -0800, Tony Lindgren wrote:
> > > The tag->hdr.size cannot be larger than XXX.
> > > Otherwise we can getsomething similar during boot:
> > > 
> > > Unable to handle kernel paging request at virtual address 61a05020
> > > ...
> > 
> > NAK.
> > 
> > Why can't people get the simple ATAG setup right?  Fix the boot loader.
> 
> In this case why can't the kernel get ATAG setup right?
> 
> This only happens when kexec rebooting multiple times in a row.
> 
> Sounds like something is not memset/kzalloc'd somewhere?

Heh. I can't reproduce this any longer. I bet it was caused by
the bug in my earlier reboot script that kept appending another
root= to the cmdline every reboot :)

Tony

  reply	other threads:[~2009-12-19 18:44 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-19  3:45 [PATCH 0/5] V7/Cortex/omap34xx fixes for 2.6.33-rc1: DCC, kexec, atags Tony Lindgren
2009-12-19  3:45 ` Tony Lindgren
2009-12-19  3:45 ` [PATCH 1/5] arm: Fix DCC console for v7 Tony Lindgren
2009-12-19  3:45   ` Tony Lindgren
2009-12-19  3:46 ` [PATCH 2/5] arm: Fix cpu_proc_fin() for proc-v7.S and make kexec work Tony Lindgren
2009-12-19  3:46   ` Tony Lindgren
2009-12-19  3:46 ` [PATCH 3/5] arm: Flush TLB entries in setup_mm_for_reboot() Tony Lindgren
2009-12-19  3:46   ` Tony Lindgren
2009-12-19  9:06   ` Russell King - ARM Linux
2009-12-19  9:06     ` Russell King - ARM Linux
2009-12-19 17:54     ` Tony Lindgren
2009-12-19 17:54       ` Tony Lindgren
2009-12-19 18:10       ` Tony Lindgren
2009-12-19 18:10         ` Tony Lindgren
2009-12-19  3:46 ` [PATCH 4/5] arm: Fix init_atags_procfs() to check tag->hdr.size Tony Lindgren
2009-12-19  3:46   ` Tony Lindgren
2009-12-19  9:03   ` Russell King - ARM Linux
2009-12-19  9:03     ` Russell King - ARM Linux
2009-12-19 17:44     ` Tony Lindgren
2009-12-19 17:44       ` Tony Lindgren
2009-12-19 18:44       ` Tony Lindgren [this message]
2009-12-19 18:44         ` Tony Lindgren
2009-12-19  3:46 ` [PATCH 5/5] arm: Fix typo in cacheflush.h and remove unnecessary comments Tony Lindgren
2009-12-19  3:46   ` Tony Lindgren
2009-12-19  5:07 ` [PATCH 0/5] V7/Cortex/omap34xx fixes for 2.6.33-rc1: DCC, kexec, atags Tony Lindgren
2009-12-19  5:07   ` Tony Lindgren
2009-12-28  5:55 ` Magnus Damm
2009-12-28  5:55   ` Magnus Damm
2009-12-29 22:07   ` Tony Lindgren
2009-12-29 22:07     ` Tony Lindgren
2010-01-05  9:24     ` Magnus Damm
2010-01-05  9:24       ` Magnus Damm
2010-01-05 11:36     ` Mika Westerberg
2010-01-05 11:36       ` Mika Westerberg
2010-01-05 17:14       ` Tony Lindgren
2010-01-05 17:14         ` Tony Lindgren
2010-01-05 17:54     ` Paul Walmsley
2010-01-05 17:54       ` Paul Walmsley
2010-01-05 20:43       ` Tony Lindgren
2010-01-05 20:43         ` Tony Lindgren
2010-01-08 22:32       ` Woodruff, Richard
2010-01-08 22:32         ` Woodruff, Richard

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