From: "Michel Dänzer" <michel@daenzer.net>
To: acrux <acrux_it@libero.it>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: linux-3.3-rc2 and radeon kms failure on ppc32 with Radeon X1650PRO pcie
Date: Tue, 07 Feb 2012 18:32:44 +0100 [thread overview]
Message-ID: <1328635964.2859.25.camel@thor.local> (raw)
In-Reply-To: <20120205003840.698a2b2a.acrux_it@libero.it>
On Son, 2012-02-05 at 00:38 +0100, acrux wrote:
>
> unable to have a working radeon kms framebuffer with linux-3.3-rc2 on ppc
> video card: Radeon X1650PRO PCIE
Is this a regression? If yes, can you bisect?
> [drm] GART: num cpu pages 131072, num gpu pages 131072
The driver detects the CPU page size as 4K, is that correct?
> [drm] radeon: ib pool ready.
> [drm] radeon: 1 quad pipes, 2 z pipes initialized.
> Machine check in kernel mode.
> Data Write PLB Error
> Oops: Machine check, sig: 7 [#1]
> Canyonlands
> Modules linked in:
> NIP: c03a3cd8 LR: c038b380 CTR: c03a3ca0
> REGS: efff7f10 TRAP: 0214 Not tainted (3.3.0-rc2)
> MSR: 00029000 <CE,EE,ME> CR: 447b4628 XER: 00000000
> TASK = ef830000[1] 'swapper' THREAD: ef834000
> GPR00: f5580000 ef835d60 ef830000 ffffffea f5580004 002fb02c 002fb02c 00000000
> GPR08: 800bf41b 00020000 00040000 c06b6cd4 447b4628 8500686f 0fff9038 00000000
> GPR16: 0ffc2388 0ffc2368 0ffc2388 0ffc2368 0fff9038 00000001 c0000010 0000000f
> GPR24: 00000000 ef849060 c06a14c0 000000ff ffffffff ef849000 00000002 ef8ea000
> NIP [c03a3cd8] rv370_pcie_gart_set_page+0x38/0x48
> LR [c038b380] radeon_gart_restore+0x58/0x84
> Call Trace:
> [ef835d60] [ffffffff] 0xffffffff (unreliable)
> [ef835d70] [c03a4c54] rv370_pcie_gart_enable+0x4c/0x230
> [ef835d90] [c03ae288] r520_startup+0xc0/0x188
> [ef835da0] [c03ae5d8] r520_init+0x1d0/0x234
Not sure what exactly 'Data Write PLB Error' means, but it looks like
the problem occurs when the card's VRAM is first accessed for setting a
GART page table entry.
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Debian, X and DRI developer
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next prev parent reply other threads:[~2012-02-07 17:33 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-03 1:56 linux-3.2.2 and radeon kms failure on ppc32 with Radeon X1650PRO pcie acrux
2012-02-04 23:38 ` linux-3.3-rc2 " acrux
2012-02-07 17:32 ` Michel Dänzer [this message]
2012-02-11 20:00 ` acrux
2012-02-12 10:00 ` Michel Dänzer
2012-02-12 10:14 ` Michel Dänzer
2012-02-15 2:23 ` acrux
2012-02-15 2:50 ` Benjamin Herrenschmidt
2012-02-15 7:39 ` Michel Dänzer
2012-02-15 20:28 ` Benjamin Herrenschmidt
2012-02-16 1:05 ` acrux
2012-02-16 7:50 ` Michel Dänzer
2012-02-16 8:02 ` Benjamin Herrenschmidt
2012-02-16 8:26 ` Michel Dänzer
2012-02-16 8:52 ` Benjamin Herrenschmidt
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