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From: Jiri Slaby <jirislaby@gmail.com>
To: "Justin P. Mattock" <justinmattock@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	linux-video@atrey.karlin.mff.cuni.cz
Subject: Re: BUG kmalloc-4096: Poison overwritten
Date: Sun, 06 Jun 2010 08:27:43 +0200	[thread overview]
Message-ID: <4C0B3FDF.6080303@gmail.com> (raw)
In-Reply-To: <4C0B3C5B.5040703@gmail.com>

On 06/06/2010 08:12 AM, Justin P. Mattock wrote:
> =============================================================================
> 
> [    0.002046] BUG kmalloc-4096: Poison overwritten
> [    0.002051]
> -----------------------------------------------------------------------------
> 
> [    0.002052]
> [    0.002063] INFO: 0xffff88003ec09e00-0xffff88003ec09e9f. First byte
> 0x20 instead of 0x6b
> [    0.002073] INFO: Slab 0xffffea0000dba1c0 objects=7 used=1
> fp=0xffff88003ec09048 flags=0x40000000000040c3
> [    0.002082] INFO: Object 0xffff88003ec09048 @offset=4168
> fp=0xffff88003ec0a090
> [    0.002083]
> [    0.002093] Bytes b4 0xffff88003ec09038:  00 00 00 00 00 00 00 00 5a
> 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ
> [    0.002114]   Object 0xffff88003ec09048:  6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
...
> 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
> [    0.002999]   Object 0xffff88003ec09df8:  6b 6b 6b 6b 6b 6b 6b 6b 20
> 07 20 07 20 07 20 07 kkkkkkkk........
> [    0.002999]   Object 0xffff88003ec09e08:  20 07 20 07 20 07 20 07 20
> 07 20 07 20 07 20 07 ................
> [    0.002999]   Object 0xffff88003ec09e18:  20 07 20 07 20 07 20 07 20
> 07 20 07 20 07 20 07 ................
> [    0.002999]   Object 0xffff88003ec09e28:  20 07 20 07 20 07 20 07 20
> 07 20 07 20 07 20 07 ................
> [    0.002999]   Object 0xffff88003ec09e38:  20 07 20 07 20 07 20 07 20
> 07 20 07 20 07 20 07 ................
> [    0.002999]   Object 0xffff88003ec09e48:  20 07 20 07 20 07 20 07 20
> 07 20 07 20 07 20 07 ................
> [    0.002999]   Object 0xffff88003ec09e58:  20 07 20 07 20 07 20 07 20
> 07 20 07 20 07 20 07 ................
> [    0.002999]   Object 0xffff88003ec09e68:  20 07 20 07 20 07 20 07 20
> 07 20 07 20 07 20 07 ................
> [    0.002999]   Object 0xffff88003ec09e78:  20 07 20 07 20 07 20 07 20
> 07 20 07 20 07 20 07 ................
> [    0.002999]   Object 0xffff88003ec09e88:  20 07 20 07 20 07 20 07 20
> 07 20 07 20 07 20 07 ................
> [    0.002999]   Object 0xffff88003ec09e98:  20 07 20 07 20 07 20 07 6b
> 6b 6b 6b 6b 6b 6b 6b ........kkkkkkkk
> [    0.002999]   Object 0xffff88003ec09ea8:  6b 6b 6b 6b 6b 6b 6b 6b 6b

Just guessing, grey spaces which should go to video ram?

-- 
js

  reply	other threads:[~2010-06-06  6:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-06  6:12 BUG kmalloc-4096: Poison overwritten Justin P. Mattock
2010-06-06  6:27 ` Jiri Slaby [this message]
2010-06-06  6:41   ` Justin P. Mattock
2010-06-06 21:06   ` Justin P. Mattock
2010-06-06 21:33     ` BUG kmalloc-4096: Poison overwritten (2.6.35-rc2) Jiri Slaby
2010-06-06 22:05       ` Justin P. Mattock
2010-06-07  2:16       ` Frank Pan
2010-06-07  3:25       ` Dave Airlie
2010-06-07  3:55         ` Linus Torvalds

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