Full Build Summary: https://kernelci.org/build/next/branch/master/kernel/next-20220414/ |
Tree: next |
Branch: master |
Git Describe: next-20220414 |
Git Commit: 40354149f4d738dc3492d9998e45b3f02950369a |
Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git |
Built: 7 unique architectures |
Build Failure Detected:
arm: | |
rpc_defconfig (gcc-10) | FAIL |
Errors and Warnings Detected:
Errors summary: | |
---|---|
2 | cc1: error: ‘-mloongson-mmi’ must be used with ‘-mhard-float’ |
1 | arch/arm/kernel/head.S:319: Error: missing expression -- `ldr r7,=0x' |
1 | arch/arm/kernel/head.S:319: Error: missing expression -- `ldr r3,=0x' |
Warnings summary: | |
---|---|
22 | clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
10 | clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
2 | arch/mips/boot/dts/img/boston.dts:128.19-178.5: Warning (pci_device_reg): /pci@14000000/pci2_root@0,0,0: PCI unit address format error, expected "0,0" |
1 | lib/strnlen_user.o: warning: objtool: strnlen_user()+0x59: call to do_strnlen_user() with UACCESS enabled |
1 | lib/strncpy_from_user.o: warning: objtool: strncpy_from_user()+0x86: call to do_strncpy_from_user() with UACCESS enabled |
1 | cc1: warning: result of ‘-117440512 << 16’ requires 44 bits to represent, but ‘int’ only has 32 bits [-Wshift-overflow=] |
Detailed per-defconfig build reports:
32r2el_defconfig (mips, gcc-10) — PASS, 0 errors, 1 warning, 0 section mismatches
Warnings: |
---|
arch/mips/boot/dts/img/boston.dts:128.19-178.5: Warning (pci_device_reg): /pci@14000000/pci2_root@0,0,0: PCI unit address format error, expected "0,0" |
32r2el_defconfig+debug (mips, gcc-10) — PASS, 0 errors, 1 warning, 0 section mismatches
Warnings: |
---|
arch/mips/boot/dts/img/boston.dts:128.19-178.5: Warning (pci_device_reg): /pci@14000000/pci2_root@0,0,0: PCI unit address format error, expected "0,0" |
allnoconfig (arc, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
allnoconfig (i386, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
allnoconfig (x86_64, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches
allnoconfig (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
am200epdkit_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
ar7_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
aspeed_g5_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
aspeed_g5_defconfig (arm, clang-14) — PASS, 0 errors, 10 warnings, 0 section mismatches
Warnings: |
---|
clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv6k' [-Wunused-command-line-argument] |
assabet_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
at91_dt_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
ath25_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
axm55xx_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
axs103_smp_defconfig (arc, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
badge4_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
bcm47xx_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
bigsur_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
bmips_be_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
bmips_stb_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
cavium_octeon_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
cerfcube_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
cm_x300_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
colibri_pxa270_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
colibri_pxa300_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
collie_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
cros://chromeos-5.10/arm64/chromiumos-arm64.flavour.config (arm64, clang-13) — PASS, 0 errors, 0 warnings, 0 section mismatches
cros://chromeos-5.10/arm64/chromiumos-arm64.flavour.config+arm64-chromebook (arm64, clang-13) — PASS, 0 errors, 0 warnings, 0 section mismatches
cros://chromeos-5.10/arm64/chromiumos-mediatek.flavour.config+arm64-chromebook (arm64, clang-13) — PASS, 0 errors, 0 warnings, 0 section mismatches
cros://chromeos-5.10/arm64/chromiumos-qualcomm.flavour.config+arm64-chromebook (arm64, clang-13) — PASS, 0 errors, 0 warnings, 0 section mismatches
cros://chromeos-5.10/armel/chromiumos-arm.flavour.config (arm, clang-13) — PASS, 0 errors, 6 warnings, 0 section mismatches
Warnings: |
---|
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
cros://chromeos-5.10/armel/chromiumos-rockchip.flavour.config (arm, clang-13) — PASS, 0 errors, 6 warnings, 0 section mismatches
Warnings: |
---|
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
cros://chromeos-5.10/x86_64/chromeos-amd-stoneyridge.flavour.config+x86-chromebook (x86_64, clang-13) — PASS, 0 errors, 0 warnings, 0 section mismatches
cros://chromeos-5.10/x86_64/chromeos-intel-denverton.flavour.config+x86-chromebook (x86_64, clang-13) — PASS, 0 errors, 0 warnings, 0 section mismatches
cros://chromeos-5.10/x86_64/chromiumos-x86_64.flavour.config (x86_64, clang-13) — PASS, 0 errors, 0 warnings, 0 section mismatches
cros://chromeos-5.10/x86_64/chromiumos-x86_64.flavour.config+x86-chromebook (x86_64, clang-13) — PASS, 0 errors, 0 warnings, 0 section mismatches
cu1000-neo_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
davinci_all_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
decstation_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
decstation_r4k_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig (arm64, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+CONFIG_ARM64_16K_PAGES=y (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+CONFIG_ARM64_64K_PAGES=y (arm64, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+CONFIG_ARM64_64K_PAGES=y (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+CONFIG_EFI=n (riscv, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+CONFIG_RANDOMIZE_BASE=y (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+arm64-chromebook (arm64, clang-13) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+arm64-chromebook+kselftest (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+crypto (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+debug (riscv, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+debug (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+kselftest (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
defconfig+kselftest (riscv, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
e55_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
exynos_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
ezx_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
gcw0_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
gpr_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
h3600_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
hackkit_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
haps_hs_defconfig (arc, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
hisi_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
hsdk_defconfig (arc, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
i386_defconfig (i386, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
i386_defconfig (i386, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches
i386_defconfig+debug (i386, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
imx_v6_v7_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
integrator_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
ip22_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
ip28_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
jazz_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
jornada720_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
lart_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
loongson1b_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
loongson2k_defconfig (mips, gcc-10) — PASS, 1 error, 0 warnings, 0 section mismatches
Errors: |
---|
cc1: error: ‘-mloongson-mmi’ must be used with ‘-mhard-float’ |
loongson3_defconfig (mips, gcc-10) — PASS, 1 error, 0 warnings, 0 section mismatches
Errors: |
---|
cc1: error: ‘-mloongson-mmi’ must be used with ‘-mhard-float’ |
lpc32xx_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
lpd270_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
magician_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
mainstone_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
malta_qemu_32r6_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
maltaaprp_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
maltasmvp_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
maltasmvp_eva_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
maltaup_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
milbeaut_m10v_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
mmp2_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
moxart_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
mpc30x_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
mtx1_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
multi_v4t_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
multi_v5_defconfig (arm, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches
multi_v7_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
multi_v7_defconfig (arm, clang-14) — PASS, 0 errors, 10 warnings, 0 section mismatches
Warnings: |
---|
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
clang: warning: argument unused during compilation: '-march=armv7-a' [-Wunused-command-line-argument] |
multi_v7_defconfig+CONFIG_CPU_BIG_ENDIAN=y (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
multi_v7_defconfig+CONFIG_SMP=n (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
multi_v7_defconfig+CONFIG_THUMB2_KERNEL=y (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
multi_v7_defconfig+debug (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
multi_v7_defconfig+kselftest (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
mvebu_v5_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
nhk8815_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
nommu_k210_defconfig (riscv, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
nommu_k210_sdcard_defconfig (riscv, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
nsimosci_hs_defconfig (arc, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
omap1_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
omap2plus_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
omega2p_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
orion5x_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
palmz72_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
pcm027_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
pxa255-idp_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
pxa910_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
pxa_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
qcom_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
qi_lb60_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
rb532_defconfig (mips, gcc-10) — PASS, 0 errors, 1 warning, 0 section mismatches
Warnings: |
---|
cc1: warning: result of ‘-117440512 << 16’ requires 44 bits to represent, but ‘int’ only has 32 bits [-Wshift-overflow=] |
rbtx49xx_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
realview_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
rpc_defconfig (arm, gcc-10) — FAIL, 2 errors, 0 warnings, 0 section mismatches
Errors: |
---|
arch/arm/kernel/head.S:319: Error: missing expression -- `ldr r7,=0x' |
arch/arm/kernel/head.S:319: Error: missing expression -- `ldr r3,=0x' |
rv32_defconfig (riscv, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
s3c2410_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
sama7_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
sb1250_swarm_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
shmobile_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
simpad_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
spear3xx_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
spitz_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
sunxi_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
tb0219_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
tb0226_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
tb0287_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
tegra_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
tinyconfig (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
tinyconfig (arc, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
tinyconfig (i386, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
trizeps4_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
u8500_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
vdk_hs38_defconfig (arc, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
versatile_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
viper_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
vt8500_v6_v7_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
workpad_defconfig (mips, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
x86_64_defconfig (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
x86_64_defconfig (x86_64, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches
x86_64_defconfig+crypto (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
x86_64_defconfig+debug (x86_64, gcc-10) — PASS, 0 errors, 2 warnings, 0 section mismatches
Warnings: |
---|
lib/strncpy_from_user.o: warning: objtool: strncpy_from_user()+0x86: call to do_strncpy_from_user() with UACCESS enabled |
lib/strnlen_user.o: warning: objtool: strnlen_user()+0x59: call to do_strnlen_user() with UACCESS enabled |
x86_64_defconfig+ima (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
x86_64_defconfig+kselftest (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
x86_64_defconfig+x86-chromebook (x86_64, clang-13) — PASS, 0 errors, 0 warnings, 0 section mismatches
x86_64_defconfig+x86-chromebook+amdgpu (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
x86_64_defconfig+x86-chromebook+kselftest (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
xcep_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches
zeus_defconfig (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches