From: "Chris Down" <chris@alcor•co.uk>
To: "'Joakim Tjernlund'" <joakim.tjernlund@transmode•se>,
<linuxppc-embedded@ozlabs•org>
Subject: RE: Badness in 2.6.15-rc1 on 8xx
Date: Mon, 28 Nov 2005 11:33:44 -0000 [thread overview]
Message-ID: <003a01c5f40f$971ceff0$0101a8c0@sirius> (raw)
In-Reply-To: <F6AD7E21CDF4E145A44F61F43EE6D9393FE1C7@tmnt04.transmode.se>
-----Original Message-----
From: Joakim Tjernlund [mailto:joakim.tjernlund@transmode•se]
Sent: 28 November 2005 10:53
To: Chris Down; linuxppc-embedded@ozlabs•org
Subject: RE: Badness in 2.6.15-rc1 on 8xx
> Anyone seen this when booting 2.6.15-rc1 on 8xx?
> Mount-cache hash table entries: 512
> Badness in dma_alloc_init at arch/ppc/kernel/dma-mapping.c:346
> Call trace:
> [c00039e8] check_bug_trap+0x80/0xa8
> [c0003c1c] program_check_exception+0x20c/0x480
> [c00031e0] ret_from_except_full+0x0/0x4c
> [c01b86b8] dma_alloc_init+0x40/0xcc
> [c000225c] init+0x8c/0x288
> [c00050ac] kernel_thread+0x44/0x60
> NET: Registered protocol family 16
> The kernel boots just fine into user space so it seems harmless, but I
> suspect it will bite me later.
>
>
> I am currently working with 2.6.15-rc1 on MPC852 and I am
> seeing a similar
> problem.
>
> Badness in dma_alloc_init at arch/ppc/kernel/dma-mapping.c:346
> Call trace:
> [c00036f8] check_bug_trap+0xa4/0xb8
> [c0003f9c] program_check_exception+0x2f0/0x4c4
> [c0003320] ret_from_except_full+0x0/0x4c
> [c024c530] dma_alloc_init+0x3c/0xbc
> [c0002280] init+0xbc/0x25c
> [c000538c] kernel_thread+0x44/0x60
>
> Have not had time to look at it yet, however I was not getting this on
> 2.6.11.
>
> Chris
Let me guess you have IMAP_ADDR set to 0xff000000? Then you need to
change
CONSISTENT_START to something else(like 0xffa00000). Its somwhere in the
Advanced setup.
Jocke
You are correct I do have IMAP_ADDR set to 0xff000000 and setting
CONSISTENT_START to 0xffa00000 solves the problem.
Chris
next prev parent reply other threads:[~2005-11-28 11:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-28 10:52 Badness in 2.6.15-rc1 on 8xx Joakim Tjernlund
2005-11-28 11:33 ` Chris Down [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-11-25 21:41 Joakim Tjernlund
2005-11-28 10:08 ` Ingo Hornberger
2005-11-28 10:57 ` Ingo Hornberger
2005-11-25 14:21 Demke Torsten-atd012
2005-11-25 13:28 Joakim Tjernlund
2005-11-28 10:01 ` Chris Down
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