From: Brian Furtaw (brian++at++sgi.com)
Date: 02/05/2001 09:35:26
Are you running the application as root when this happens on both the
Octane and the Onyx2?
Brian
Paul Brewster wrote:
>
> My program has a bug in it that I was hoping someone could give me some
> tips on tracking it down. I am using a fluxed geoset to dynamically
> manipulate geometry while running. The program works fine for a while,
> then crashes suddenly. On my Onyx2 it gives me the following message:
>
> WARNING: /hw/module/1/slot/n1/node/cpubus/0/a: UCE interrupt on PIO
> access
> NOTICE: /hw/module/1/slot/n1/node/cpubus/0/a: User Data Bus error in
> IO space at physical address 0xec10004 (EPC 0xda5d790)
> [ESP System Information Notification]:WARNING:
> /hw/module/1/slot/n1/node/cpubus/0/a: UCE interrupt on PIO access
> [ESP System Information Notification]:NOTICE:
> /hw/module/1/slot/n1/node/cpubus/0/a: User Data Bus error in IO space
> at physical address 0xec10004 (EPC 0xda5d790)
>
> On my Octane2, it just plain crashes the whole computer, requiring a
> reset.
>
> I used cvd to check out the core file, and found this call stack:
>
> int pass_word_word_word(<stripped>) ["kon_vertarray.c":80,
> 0x0da5d790]
> int __glkonDrawArraysNCTV(<stripped>) ["kon_gvertarray.c":208,
> 0x0db75058]
> int __glkonim_DrawArraysEXT(<stripped>) ["kon_vertarray.c":513,
> 0x0da5dc08]
> int vertArrayGenDrawGSet(<stripped>) ["gsdraw.C":6332, 0x049a9b78]
> int pfGeoSet::draw(<stripped>) ["pfGeoSet.h":613, 0x048d0188]
> int _pfCuller::popQuick(<stripped>) ["pfCuller.C":860, 0x048229b4]
> int _pfCuller::popSort(<stripped>) ["pfCuller.C":1063, 0x0481e1b4]
> int _pfCuller::popXform(<stripped>) ["pfCuller.C":640, 0x0481db78]
> int pfSCS::nb_cull(<stripped>) ["pfSCS.C":359, 0x047e86f4]
> int pfScene::nb_cull(<stripped>) ["pfScene.C":293, 0x047eb3b0]
> int _pfCuller::nb_cull(<stripped>) ["pfCuller.C":208, 0x0481d364]
> int pfDraw() ["pfProcess.C":6460, 0x04845858]
> int pfCAVEDrawCallback(<stripped>) ["pfcave.c":465, 0x1018ec60]
> int pfChannel::pf_callDrawFunc() ["pfChannel.C":2326, 0x047fe930]
> int pfFrame(<stripped>) ["pfProcess.C":6367, 0x04840084]
> int main(int argc = 2, unsigned char ** argv = 0x7fff2f04)
> ["tunnel.c":83, 0x100729a8]
> int __start(<stripped>) ["crt1text.s":177, 0x100475f8]
>
> I suppose the bug is just a bad pointer, but I can't find it. I was
> hoping someone could give me a hint on where to look.
>
> Thanks for the help.
>
> Paul Brewster
> NASA Langley Research Center
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--
----oOOo---- ----oOOo---- ----oOOo---- ----oOOo----
Brian Furtaw (brian++at++sgi.com)
Graphics Guru Office:(301)572-3293 Fax: (603)250-0370
12200-G Plum Orchard Drive OpenGL/Performer/OpenInventor/ImageVision
Silver Spring, Maryland 20904 Volumizer/Optimizer/React/PCI Device
Drivers
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