Re: Looks like the kyua zfs tests likely are not used on aarch64 or other contexts with unsigned char

From: Mark Millard <marklmi_at_yahoo.com>
Date: Mon, 11 Sep 2023 07:03:48 UTC
On Sep 10, 2023, at 23:57, Dag-Erling Smørgrav <des@FreeBSD.org> wrote:

> Mark Millard <marklmi@yahoo.com> writes:
>> I'm not aware of there being other documentation for what
>> is appropriate for setting up such for kyua runs.
> 
> https://github.com/freebsd/freebsd-ci/blob/master/scripts/build/build-test_image-head.sh#L69-L84
> 

Thanks for the reference that does not involve looking at
CI log files. Filed away for future references.


Side note . . .

Turns out that tcptestsuite does not build for aarch64
do to alignment problems via packing in net/packetdrill :

In file included from run_packet.c:45:
In file included from ./tcp_options_iterator.h:31:
./tcp_options.h:108:2: error: field  within 'struct tcp_option' is less aligned than 'union tcp_option::(anonymous at ./tcp_options.h:108:2)' and is usually due to 'struct tcp_option' being packed, which can lead to unaligned accesses [-Werror,-Wunaligned-access]
       union {
       ^
--- sctp_iterator.o ---
cc  -O2 -pipe -mcpu=cortex-a7  -Wno-deprecated -g -fstack-protector-strong -fno-strict-aliasing  -mcpu=cortex-a7 -Wall -Werror -g -c sctp_iterator.c -o sctp_iterator.o
--- tcp_options.o ---
cc  -O2 -pipe -mcpu=cortex-a7  -Wno-deprecated -g -fstack-protector-strong -fno-strict-aliasing  -mcpu=cortex-a7 -Wall -Werror -g -c tcp_options.c -o tcp_options.o
--- run_packet.o ---
1 error generated.
*** [run_packet.o] Error code 1

make[1]: stopped in /wrkdirs/usr/ports/net/packetdrill/work/packetdrill-aebdc35/gtests/net/packetdrill
--- tcp_options.o ---
In file included from tcp_options.c:25:
./tcp_options.h:108:2: error: field  within 'struct tcp_option' is less aligned than 'union tcp_option::(anonymous at ./tcp_options.h:108:2)' and is usually due to 'struct tcp_option' being packed, which can lead to unaligned accesses [-Werror,-Wunaligned-access]
       union {
       ^
1 error generated.
*** [tcp_options.o] Error code 1

make[1]: stopped in /wrkdirs/usr/ports/net/packetdrill/work/packetdrill-aebdc35/gtests/net/packetdrill
2 errors


===
Mark Millard
marklmi at yahoo.com