From: "Michel Dänzer" <michel@daenzer.net>
To: Meelis Roos <mroos@linux.ee>, David Miller <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org, oftedal@gmail.com,
dri-devel@lists.freedesktop.org
Subject: Re: PCI Radeon RV100 detection hang on sparc64
Date: Tue, 26 Aug 2014 11:46:52 +0900 [thread overview]
Message-ID: <53FBF51C.1090503@daenzer.net> (raw)
In-Reply-To: <alpine.SOC.1.00.1408201517210.57@math.ut.ee>
On 25.08.2014 23:48, Meelis Roos wrote:
>> r100 init hangs in a different place. Original dmesg first, then my
>> instrumented dmesg (seems to get further):
>
> The instrumented dmesg had a couple of my local test changes and was
> bad now that I had ROM. Reverted them exept my readb changes (instead
> of direct dereferences of iomapped space) and redid
> logging to be more precise.
>
>> [drm] radeon kernel modesetting enabled.
>> PCI: Enabling device: (0000:02:02.0), cmd 82
>> [drm] initializing kernel modesetting (RV100 0x1002:0x5159 0x1002:0x0908).
>> [drm] register mmio base: 0x10000000
>> [drm] register mmio size: 32768
>> [drm:radeon_device_init] *ERROR* Unable to find PCI I/O BAR
>
> This was still the unchanged kernel hanging.
>
> Below is a new debug log to pinpoint the hang. It seems to hang in
> r100_gfx_get_rptr but not on first try.
It's most likely hanging in readl() in r100_mm_rreg() then.
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Mesa and X developer
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next prev parent reply other threads:[~2014-08-26 2:47 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-06 14:41 PCI Radeon RV100 detection hang on sparc64 Meelis Roos
2012-09-06 16:51 ` Adam Jackson
2012-09-06 18:15 ` David Miller
2012-09-06 16:55 ` Michel Dänzer
2012-09-06 18:18 ` David Miller
2012-09-07 7:18 ` Dave Airlie
2012-09-19 7:51 ` mroos
2013-09-23 13:48 ` mroos
2013-09-23 19:06 ` Kjetil Oftedal
2013-09-23 20:36 ` David Miller
2013-09-23 21:14 ` mroos
2013-09-23 21:33 ` David Miller
2013-09-24 11:06 ` Meelis Roos
2013-09-25 23:26 ` Meelis Roos
2013-10-01 8:43 ` Meelis Roos
2014-04-04 20:52 ` David Miller
2014-08-13 6:30 ` David Miller
2014-08-19 11:17 ` Meelis Roos
2014-08-25 14:48 ` Meelis Roos
2014-08-26 2:46 ` Michel Dänzer [this message]
2014-08-26 7:07 ` Meelis Roos
2014-08-27 2:24 ` Michel Dänzer
2014-08-30 19:20 ` Kjetil Oftedal
2014-08-31 5:59 ` Meelis Roos
2013-09-23 21:18 ` Meelis Roos
2013-10-10 11:51 ` [PATCH] only try to find radeon IGP ROM on X86 Meelis Roos
2013-10-10 14:38 ` Alex Deucher
2013-10-10 15:26 ` Meelis Roos
2013-10-10 17:02 ` David Miller
2013-10-10 17:10 ` Alex Deucher
2012-09-06 18:08 ` PCI Radeon RV100 detection hang on sparc64 David Miller
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