Hi, On Mon, Jan 08, 2024 at 03:57:06PM -0800, Charlie Jenkins wrote: > Supplement existing checksum tests with tests for csum_ipv6_magic and > ip_fast_csum. > > Signed-off-by: Charlie Jenkins <charlie@xxxxxxxxxxxx> > --- With this patch in the tree, the arm:mps2-an385 qemu emulation gets a bad hiccup. [ 1.839556] Unhandled exception: IPSR = 00000006 LR = fffffff1 [ 1.839804] CPU: 0 PID: 164 Comm: kunit_try_catch Tainted: G N 6.8.0-rc1 #1 [ 1.839948] Hardware name: Generic DT based system [ 1.840062] PC is at __csum_ipv6_magic+0x8/0xb4 [ 1.840408] LR is at test_csum_ipv6_magic+0x3d/0xa4 [ 1.840493] pc : [<21212f34>] lr : [<21117fd5>] psr: 0100020b [ 1.840586] sp : 2180bebc ip : 46c7f0d2 fp : 21275b38 [ 1.840664] r10: 21276b60 r9 : 21275b28 r8 : 21465cfc [ 1.840751] r7 : 00003085 r6 : 21275b4e r5 : 2138702c r4 : 00000001 [ 1.840847] r3 : 2c000000 r2 : 1ac7f0d2 r1 : 21275b39 r0 : 21275b29 [ 1.840942] xPSR: 0100020b This translates to: PC is at __csum_ipv6_magic (arch/arm/lib/csumipv6.S:15) LR is at test_csum_ipv6_magic (./arch/arm/include/asm/checksum.h:60 ./arch/arm/include/asm/checksum.h:163 lib/checksum_kunit.c:617) Obviously I can not say if this is a problem with qemu or a problem with the Linux kernel. Given that, and the presumably low interest in running mps2-an385 with Linux, I'll simply disable that test. Just take it as a heads up that there _may_ be a problem with this on arm nommu systems. Thanks, Guenter
