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Zynq7 build unstable #1246

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acomodi opened this issue Feb 18, 2020 · 4 comments
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Zynq7 build unstable #1246

acomodi opened this issue Feb 18, 2020 · 4 comments

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@acomodi
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acomodi commented Feb 18, 2020

There are some instabilities regarding the tilegrid fuzzer that should be solved.

For reference, here is an error of a particular run: #1227 (comment)
@acomodi
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acomodi commented Feb 25, 2020

There have been periodic instabilities on the zynq7 build. The ones that did show up for now are the following:

Bit collisions:

Fuzzer failures:

The latter one is most probably already solved by increasing the number of specimens.

@acomodi acomodi changed the title Instability of tilegrid for xc7z020 Zynq7 build unstable Feb 25, 2020
@mkurc-ant
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mkurc-ant commented Apr 28, 2020 •
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Again, instability: #1307 (comment)

@tcal-x
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tcal-x commented Apr 28, 2020

Also, #1313.

@litghost litghost mentioned this issue May 27, 2020
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@mithro
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mithro commented May 27, 2020 

Checking zynq7 database
============================
Checking individual .db...
segbits_*.db: 33 okay
mask_*.db: 39 okay
Checking aggregate dir...
ERROR: 1 collisions
  0042229a_044_27: had INT_R_X69Y22.INT_R.IMUX25.LOGIC_OUTS18, got CLBLM_R_X69Y22.CLBLM_R.SLICEL_X1.BLUT.INIT[16]
Traceback (most recent call last):
  File "utils/checkdb.py", line 190, in <module>
    main()
  File "utils/checkdb.py", line 186, in main
    run(args.db_root, args.part, verbose=args.verbose)
  File "utils/checkdb.py", line 172, in run
    check_tile_overlap(db, verbose=verbose)
  File "utils/checkdb.py", line 148, in check_tile_overlap
    raise ValueError("%s collisions" % len(collisions))
ValueError: 1 collisions
Makefile:172: recipe for target 'db-check-zynq7' failed
make: *** [db-check-zynq7] Error 1

@litghost litghost mentioned this issue Jun 22, 2020
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@kamilrakoczy kamilrakoczy mentioned this issue Aug 11, 2020
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litghost added a commit to litghost/prjxray that referenced this issue Sep 30, 2020
@litghost
Add fix to prevent INT features with 3 bits.
231a8e2 
This may help fix f4pga#1246.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
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@mithro @acomodi @mkurc-ant @tcal-x