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failing tests on sparc64-ieee1275 target

From: Glenn Washburn
Subject: failing tests on sparc64-ieee1275 target
Date: Sat, 19 Dec 2020 00:29:02 -0600


I'm running the sparc tests and running into some odd failures. Is
anyone running these tests successfully? I've attached the
test-suite.log which shows a bash trace of each failing test. There are
many failing fs tests with hard errors, those can be ignored. The last
4 tests are the pertinent ones. Also included are the qemu output files.
I'll discuss briefly each failing test below in the order which they
appear in the log file.

*** grub_script_expansion
It looks like qemu or the firmware is hitting and exception output. Both
disks and other are the string "Unhandled Exception 0x0000000000000030
PC = 0x00000000ffd0f370 NPC = 0x00000000ffd0f374
Stopping execution". I'm using the firmware from Ubuntu's
openbios-sparc package. Is there a better one? Does this actually work
for anyone?

*** gzcompress_test
This test is failing because the 60 minute timeout for qemu in
grub-shell has run out. The output file shows "error: ELF header
smaller than expected." many times and then goes to the rescue shell
and waits for the time out. An idea what is causing this? I'm guessing
a build issue, but the build completed successfully.

*** grub_func_test
The signature test and sleep tests are failing. I'm guessing for the
sleep that there's an issue with the VM's clock. And for the signature
test, it says "no cmos found". Could this be an issue with the Ubuntu
firmware package?

*** file_filter_test
There's a clear issue with xz decompression because of the error
message "error: xz file corrupted or unsupported block options." Since
this works many other places, what makes sparc different? Could it be
the xz test file is endian specific? A subtler issue is that catting the
gzip file does not show the expected output, but does not show an error
message either. So something seeing to be failing there. The catted lzop
file does show the correct output, so the failures seem to be decoder

What's that is odd is that all of the other grub qemu tests are
successful. Anyone else run in to these issues and know how I might be
able to get these tests working if these aren't genuine bugs?


Attachment: test-suite.log.xz
Description: application/xz

Attachment: file_filter_test.qemu.out
Description: Binary data

Attachment: grub_func_test.qemu.out
Description: Binary data

Attachment: grub_script_expansion.qemu.out
Description: Binary data

Attachment: gzcompress_test.qemu.out
Description: Binary data

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