Executive Summary
Total Issues: 4 (0 Critical, 1 High, 3 Medium, 0 Low)
New Issues: 4
Recurring Issues: 0
Comparison Base: next-20250725
Test Plan Statistics
Builds: 19 total (19 pass, 0 fail, 0 skip) - 100.0% success rate
Boots: 87 total (70 pass, 0 fail, 3 skip, 14 in progress) - 80.5% success rate (Plan in progress)
Test Suites: 161 total (73 pass, 31 fail, 57 unknown) - 45.3% success rate
Individual Test Cases: 15011 total (12874 pass, 115 fail, 2022 skip) - 85.8% success rate
High Priority Issues (1):
- Build Failure: clang-compiler-test_cachestat_c-warning-label-followed-by-a-declaration-is-a-c-extension on arm64 (x2) [NEW]
Medium Priority Issues (3):
- 3 issues on ampereone
Build Information
Kernel version: 6.16.0
Git Tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git
Git SHA: 0b90c3b6d76ea512dc3dac8fb30215e175b0019a
Git Describe: next-20250728
Test Details: https://qa-reports.linaro.org/lkft/linux-next-master-ampere/build/next-20250728
Architecture Impact Assessment
ampereone: 3 issues (3 new, 0 recurring) - 3 Medium arm64: 1 issues (1 new, 0 recurring) - 1 High
High Priority: Build Regressions (compared to next-20250725)
arm64, log-parser-build-clang
- clang-compiler-test_cachestat_c-warning-label-followed-by-a-declaration-is-a-c-extension (clang-20-lkftconfig-no-kselftest-frag:2) Regression Log 1 (artefacts: Kernel Config, Build Reproducer, Build Log)
Medium Priority: Test Regressions (compared to next-20250725)
ampereone, log-parser-test
- exception-warning-fsfusefile-at-fuse_iomap_writeback_range (gcc-13-lkftconfig-64k_page_size:1) Regression Log 1 (artefacts: Kernel Config, Build Reproducer, Test Reproducer, Test Log)
Medium Priority: Test Regressions (compared to next-20250725)
ampereone, ltp-syscalls
- epoll_pwait03 (gcc-13-lkftconfig) Regression Log 1 (artefacts: Kernel Config, Build Reproducer, Test Reproducer, Test Log)
- shmctl05 (gcc-13-lkftconfig) Regression Log 2 (artefacts: Kernel Config, Build Reproducer, Test Reproducer, Test Log)
Regression Logs
clang-compiler-test_cachestat_c-warning-label-followed-by-a-declaration-is-a-c-extension Regression Log 1 (clang-20-lkftconfig-no-kselftest-frag)
make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/build INSTALL_PATH=/home/tuxbuild/.cache/tuxmake/builds/1/build/kselftest_install ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- 'HOSTCC=sccache clang' 'CC=sccache clang' LLVM=1 LLVM_IAS=1 kselftest-install
make[4]: Entering directory '/builds/linux/tools/testing/selftests/cachestat'
test_cachestat.c:260:3: warning: label followed by a declaration is a C23 extension [-Wc23-extensions]
260 | char *map = mmap(NULL, filesize, PROT_READ | PROT_WRITE,
| ^
exception-warning-fsfusefile-at-fuse_iomap_writeback_range Regression Log 1 (gcc-13-lkftconfig-64k_page_size)
------------[ cut here ]------------
[ 368.190845] WARNING: fs/fuse/file.c:2146 at fuse_iomap_writeback_range+0x478/0x558 [fuse], CPU#87: msync04/149872
[ 368.205726] Modules linked in: tun overlay btrfs blake2b_generic xor xor_neon raid6_pq zstd_compress cdc_ether usbnet sm3_ce nvme sha3_ce nvme_core xhci_pci_renesas arm_cspmu_module arm_spe_pmu ipmi_devintf ipmi_msghandler arm_cmn cppc_cpufreq fuse drm backlight
[ 368.228939] CPU: 87 UID: 0 PID: 149872 Comm: msync04 Not tainted 6.16.0-next-20250728 #1 PREEMPT
[ 368.237800] Hardware name: Inspur NF5280R7/Mitchell MB, BIOS 04.04.00004001 2025-02-04 22:23:30 02/04/2025
[ 368.247441] pstate: 03400009 (nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[ 368.254392] pc : fuse_iomap_writeback_range+0x478/0x558 [fuse]
[ 368.260225] lr : iomap_writeback_folio+0x158/0x618
[ 368.265014] sp : ffff8000f0e8f8d0
[ 368.268317] x29: ffff8000f0e8f8d0 x28: fff00001415e8000 x27: 0000000000000000
[ 368.275443] x26: fff0000386f90000 x25: 0000000000000000 x24: 0000000000000000
[ 368.282569] x23: 0000000000000000 x22: fffffc1fc0f53540 x21: 0000000000001000
[ 368.289694] x20: ffff8000f0e8fa00 x19: 0000000000000000 x18: 0000000000000000
[ 368.296819] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[ 368.303944] x14: ffffbf2e3c9d63b8 x13: 0000ffff939effff x12: 0000000000000000
[ 368.311070] x11: 1ffe0000355cd941 x10: fff00001aae6ca0c x9 : ffffbf2e3b0849f8
[ 368.318195] x8 : ffff8000f0e8f788 x7 : ffffbf2e379c0b90 x6 : ffffbf2e3d7c9000
[ 368.325320] x5 : 0000000000000000 x4 : 000000000000000a x3 : 0000000000001000
[ 368.332445] x2 : fff0000109a51700 x1 : 000000000000ffff x0 : 0bfffe000000400b
[ 368.339570] Call trace:
[ 368.342005] fuse_iomap_writeback_range+0x478/0x558 [fuse] (P)
[ 368.347838] iomap_writeback_folio+0x158/0x618
[ 368.352273] iomap_writepages+0x70/0x108
[ 368.356187] fuse_writepages+0xa0/0xe8 [fuse]
[ 368.360545] do_writepages+0xb0/0x1a0
[ 368.364201] filemap_fdatawrite_wbc+0x74/0xa0
[ 368.368552] __filemap_fdatawrite_range+0x6c/0xa8
[ 368.373248] file_write_and_wait_range+0x70/0xe8
[ 368.377856] fuse_fsync+0x6c/0x138 [fuse]
[ 368.381864] vfs_fsync_range+0x3c/0x90
[ 368.385610] __arm64_sys_msync+0x1d4/0x2e0
[ 368.389704] invoke_syscall.constprop.0+0x58/0xf8
[ 368.394405] do_el0_svc+0x48/0xd8
[ 368.397711] el0_svc+0x44/0x190
[ 368.400847] el0t_64_sync_handler+0xa0/0xe8
[ 368.405021] el0t_64_sync+0x198/0x1a0
[ 368.408674] ---[ end trace 0000000000000000 ]---
epoll_pwait03 Regression Log 1 (gcc-13-lkftconfig)
tst_test.c:1774: TINFO: Overall timeout per run is 0h 21m 36s
epoll_pwait_var.h:38: TINFO: Test epoll_pwait()
tst_timer_test.c:357: TINFO: CLOCK_MONOTONIC resolution 1ns
tst_timer_test.c:369: TINFO: prctl(PR_GET_TIMERSLACK) = 50us
tst_test.c:1795: TINFO: Updating runtime to 0h 00m 09s
tst_test.c:1774: TINFO: Overall timeout per run is 0h 21m 45s
tst_timer_test.c:263: TINFO: do_epoll_pwait() sleeping for 1000us 500 iterations, threshold 450.01us
tst_timer_test.c:305: TINFO: min 1026us, max 1117us, median 1070us, trunc mean 1069.64us (discarded 25)
tst_timer_test.c:326: TPASS: Measured times are within thresholds
tst_timer_test.c:263: TINFO: do_epoll_pwait() sleeping for 2000us 500 iterations, threshold 450.01us
tst_timer_test.c:305: TINFO: min 2023us, max 11711us, median 2071us, trunc mean 2070.19us (discarded 25)
tst_timer_test.c:326: TPASS: Measured times are within thresholds
tst_timer_test.c:263: TINFO: do_epoll_pwait() sleeping for 5000us 300 iterations, threshold 450.04us
tst_timer_test.c:305: TINFO: min 5059us, max 15230us, median 5073us, trunc mean 5703.52us (discarded 15)
tst_timer_test.c:314: TFAIL: do_epoll_pwait() slept for too long
Time: us | Frequency
--------------------------------------------------------------------------------
5059 | ********************************************************************
5595 | +
6131 | **+
6667 | **
7203 | ***-
7739 | *+
8275 | *
8811 | **
9347 | +
9883 | ***+
10419 | +
10955 | -
11491 | -
12027 | -
12563 | +
13099 | +
13635 |
14171 | +
14707 | +
--------------------------------------------------------------------------------
536us | 1 sample = 0.30222 '*', 0.60444 '+', 1.20889 '-', non-zero '.'
tst_timer_test.c:263: TINFO: do_epoll_pwait() sleeping for 10000us 100 iterations, threshold 450.33us
tst_timer_test.c:305: TINFO: min 10072us, max 10235us, median 10078us, trunc mean 10083.92us (discarded 5)
tst_timer_test.c:326: TPASS: Measured times are within thresholds
tst_timer_test.c:263: TINFO: do_epoll_pwait() sleeping for 25000us 50 iterations, threshold 451.29us
tst_timer_test.c:305: TINFO: min 25075us, max 25128us, median 25080us, trunc mean 25086.23us (discarded 2)
tst_timer_test.c:326: TPASS: Measured times are within thresholds
tst_timer_test.c:263: TINFO: do_epoll_pwait() sleeping for 100000us 10 iterations, threshold 537.00us
tst_timer_test.c:305: TINFO: min 100085us, max 100170us, median 100136us, trunc mean 100136.44us (discarded 1)
tst_timer_test.c:326: TPASS: Measured times are within thresholds
tst_timer_test.c:263: TINFO: do_epoll_pwait() sleeping for 1000000us 2 iterations, threshold 4400.00us
tst_timer_test.c:305: TINFO: min 1001111us, max 1002598us, median 1001111us, trunc mean 1001111.00us (discarded 1)
tst_timer_test.c:326: TPASS: Measured times are within thresholds
epoll_pwait_var.h:41: TINFO: Test epoll_pwait2()
tst_timer_test.c:357: TINFO: CLOCK_MONOTONIC resolution 1ns
tst_timer_test.c:369: TINFO: prctl(PR_GET_TIMERSLACK) = 50us
tst_test.c:1795: TINFO: Updating runtime to 0h 00m 09s
tst_test.c:1774: TINFO: Overall timeout per run is 0h 21m 45s
tst_timer_test.c:263: TINFO: do_epoll_pwait() sleeping for 1000us 500 iterations, threshold 450.01us
tst_timer_test.c:305: TINFO: min 1006us, max 9220us, median 1061us, trunc mean 1217.74us (discarded 25)
tst_timer_test.c:326: TPASS: Measured times are within thresholds
tst_timer_test.c:263: TINFO: do_epoll_pwait() sleeping for 2000us 500 iterations, thre[ 1499.839057] <LAVA_SIGNAL_ENDTC epoll_pwait03>
shold 450.01us
epoll_pwait03 epoll_pwait03
epoll_pwait03 (652/662): [1;31mfail[0m (17.441s)
shmctl05 Regression Log 2 (gcc-13-lkftconfig)
shmctl05 shmctl05
shmctl05 (505/662): [1;36mbroken[0m (5.580s)
shmctl05.c:38: TBROK: shmget(61455, 4096, 3c0) failed: ENOSPC (28)