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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][DRMTIP] igt@tools_test@tools_test - fail - Failed assertion: igt_system_quiet("./intel_reg dump") == 0"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111534#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][DRMTIP] igt@tools_test@tools_test - fail - Failed assertion: igt_system_quiet("./intel_reg dump") == 0"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111534">bug 111534</a>
from <span class="vcard"><a class="email" href="mailto:arkadiusz.hiler@intel.com" title="Arek Hiler <arkadiusz.hiler@intel.com>"> <span class="fn">Arek Hiler</span></a>
</span></b>
<pre>This is a regression caused by
commit d38950f2c0ca846816c9b0e6601181cc7e1982de
Author: Daniel Mrzyglod <<a href="mailto:daniel.t.mrzyglod@intel.com">daniel.t.mrzyglod@intel.com</a>>
Date: Thu Aug 29 15:10:37 2019 +0200
lib/intel_mmio: add additional api for multiple devices
Library was limited for reading registers for only
one device at a time in igt tests.
Changes in this patch give as oportunity to test multiple devices in
the same time.
v8: pack and rename structure, remove unnecessary field
v7: remove unnecessary code
v6: Reword patch. Cosmetic changes.
Cc: Antonio Argenziano <<a href="mailto:antonio.argenziano@intel.com">antonio.argenziano@intel.com</a>>
Cc: Daniele Spurio Ceraolo <<a href="mailto:daniele.ceraolospurio@intel.com">daniele.ceraolospurio@intel.com</a>>
Cc: Katarzyna Dec <<a href="mailto:katarzyna.dec@intel.com">katarzyna.dec@intel.com</a>>
Cc: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Cc: Petri Latvala <<a href="mailto:petri.latvala@intel.com">petri.latvala@intel.com</a>>
Cc: Zbigniew KempczyĆski <<a href="mailto:zbigniew.kempczynski@intel.com">zbigniew.kempczynski@intel.com</a>>
Cc: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
Signed-off-by: Daniel Mrzyglod <<a href="mailto:daniel.t.mrzyglod@intel.com">daniel.t.mrzyglod@intel.com</a>>
Reviewed-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
The hang:
AUD_CONFIG_DEFAULT2_REG_PORTB (0x00180000:0x00062f88): 0x00000000
AUD_CONFIG_DEFAULT2_REG_PORTC (0x00180000:0x00062f8c): 0x00000000
AUD_CONFIG_DEFAULT2_REG_PORTD (0x00180000:0x00062f90): 0x00000000
AUD_MCTSA (0x00180000:0x00062f94): 0x00000000
AUD_MCTSB (0x00180000:0x00062f98): 0x00000000
AUD_MCTSC (0x00180000:0x00062f9c): 0x00000000
Segmentation fault
(gdb) bt
#0 0x00007f8d0e6b6379 in ioread32 (reg=<optimized out>, mmio=<error reading
variable: Cannot access memory at address 0x7f8d020d1000>) at
../lib/intel_io.h:77
#1 intel_register_read (mmio_data=0x7f8d020d1000, reg=reg@entry=1581312) at
../lib/intel_mmio.c:266
#2 0x00007f8d0e6c9097 in vlv_sideband_rw (mmio_data=0x7ffc27d20e18,
port=<optimized out>, opcode=opcode@entry=6 '\006', addr=32768,
val=val@entry=0x7ffc27d20d34) at ../lib/intel_iosf.c:52
#3 0x00007f8d0e6c9355 in intel_iosf_sb_read (mmio_data=<optimized out>,
port=<optimized out>, reg=<optimized out>) at ../lib/intel_iosf.c:190
#4 0x0000564ef49c9862 in read_register (config=0x7ffc27d20e10,
reg=0x564ef4c317c0, valp=0x7ffc27d20d84) at ../tools/intel_reg.c:391
#5 0x0000564ef49ca0e6 in dump_register (config=0x7ffc27d20e10,
reg=0x564ef4c317c0) at ../tools/intel_reg.c:408
#6 0x0000564ef49ca173 in intel_reg_dump (config=0x7ffc27d20e10,
argc=<optimized out>, argv=<optimized out>) at ../tools/intel_reg.c:635
#7 0x0000564ef49c8c06 in main (argc=1, argv=0x7ffc27d20fb0) at
../tools/intel_reg.c:1048</pre>
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