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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 02:46:52 +0000	[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

WARNING: multiple messages have this Message-ID (diff)
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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  reply	other threads:[~2014-08-26  2:46 UTC|newest]

Thread overview: 62+ 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 14:41 ` Meelis Roos
2012-09-06 16:51 ` Adam Jackson
2012-09-06 16:51   ` Adam Jackson
2012-09-06 18:15   ` David Miller
2012-09-06 18:15     ` David Miller
2012-09-06 16:55 ` Michel Dänzer
2012-09-06 16:55   ` Michel Dänzer
2012-09-06 18:18   ` David Miller
2012-09-06 18:18     ` David Miller
2012-09-07  7:18     ` Dave Airlie
2012-09-07  7:18       ` Dave Airlie
2012-09-19  7:51       ` mroos
2012-09-19  7:51         ` mroos
2013-09-23 13:48       ` mroos
2013-09-23 13:48         ` mroos
2013-09-23 19:06         ` Kjetil Oftedal
2013-09-23 19:06           ` Kjetil Oftedal
2013-09-23 20:36           ` David Miller
2013-09-23 20:36             ` David Miller
2013-09-23 21:14             ` mroos
2013-09-23 21:14               ` mroos
2013-09-23 21:33               ` David Miller
2013-09-23 21:33                 ` David Miller
2013-09-24 11:06                 ` Meelis Roos
2013-09-24 11:06                   ` Meelis Roos
2013-09-25 23:26                   ` Meelis Roos
2013-09-25 23:26                     ` Meelis Roos
2013-10-01  8:43               ` Meelis Roos
2013-10-01  8:43                 ` Meelis Roos
2014-04-04 20:52                 ` David Miller
2014-04-04 20:52                   ` David Miller
2014-08-13  6:30                   ` David Miller
2014-08-13  6:30                     ` David Miller
2014-08-19 11:17                     ` Meelis Roos
2014-08-19 11:17                       ` Meelis Roos
2014-08-25 14:48                       ` Meelis Roos
2014-08-25 14:48                         ` Meelis Roos
2014-08-26  2:46                         ` Michel Dänzer [this message]
2014-08-26  2:46                           ` Michel Dänzer
2014-08-26  7:07                           ` Meelis Roos
2014-08-26  7:07                             ` Meelis Roos
2014-08-27  2:24                             ` Michel Dänzer
2014-08-27  2:24                               ` Michel Dänzer
2014-08-30 19:20                               ` Kjetil Oftedal
2014-08-30 19:20                                 ` Kjetil Oftedal
2014-08-31  5:59                                 ` Meelis Roos
2014-08-31  5:59                                   ` Meelis Roos
2013-09-23 21:18           ` 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 11:51             ` Meelis Roos
2013-10-10 14:38             ` Alex Deucher
2013-10-10 14:38               ` Alex Deucher
2013-10-10 15:26               ` Meelis Roos
2013-10-10 15:26                 ` Meelis Roos
2013-10-10 17:02                 ` David Miller
2013-10-10 17:02                   ` David Miller
2013-10-10 17:10                 ` Alex Deucher
2013-10-10 17:10                   ` Alex Deucher
2012-09-06 18:08 ` PCI Radeon RV100 detection hang on sparc64 David Miller
2012-09-06 18:08   ` David Miller

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