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9QVPkE2w9uniekiytFJSzaeiyAZrpyMS3Xrf0sW7ozb2GLE3LyBbmcLaCgc/yc9srswmXGpLnF7lD/DzI0uDv1MiWmxLtDgYIn+FEqfumlfD8KXJOzhDNDlYD7EjEx9kgc9szpfqtrb/BIZXcivLWDbCyKh7d5V5YnnbHFZ+yYAUkAXbgPw3OCZQg0sjLx+iTe2Wy2dcDOfGPIvAlbGZMDMtCHjGDwKE1FRHG/MCuFl4iJJHgFxqTPIAvkkO2OJLdJYRx8qXhGKGSonjE4gVeO2gwFUUY44PdPazBiq1qC+t4sd4iP9p6nCvkXvuvFyZOw7CClDNmPVqytq6/irEF4IagwiX/yS9i6ScG/+o0i5Z7KlZzQBEHSBEZe5PEnvVFSs3d4a32yxhM59OnIErcEYUbZA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sat, Oct 07, 2023 at 11:36:26AM +0200, Uros Bizjak wrote: > On Sat, Oct 7, 2023 at 8:16 AM kernel test robot wrote: > > > > > > > > Hello, > > > > kernel test robot noticed "BUG:kernel_failed_in_early-boot_stage,last_printk:Booting_the_kernel(entry_offset:#)" on: > > > > commit: ca4256348660cb2162668ec3d13d1f921d05374a ("x86/percpu: Use C for percpu read/write accessors") > > https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git x86/percpu > > > > [test failed on linux-next/master 0f0fe5040de5e5fd9b040672e37725b046e312f0] > > > > in testcase: boot > > > > compiler: gcc-12 > > test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G > > > > (please refer to attached dmesg/kmsg for entire log/backtrace) > > > > > > +--------------------------------------------------------------------------------------+------------+------------+ > > | | 9a462b9eaf | ca42563486 | > > +--------------------------------------------------------------------------------------+------------+------------+ > > | boot_successes | 13 | 0 | > > | boot_failures | 0 | 13 | > > | BUG:kernel_failed_in_early-boot_stage,last_printk:Booting_the_kernel(entry_offset:#) | 0 | 13 | > > +--------------------------------------------------------------------------------------+------------+------------+ > > Since this is a randconfig (x86_64-randconfig-006-20231006), does it > mean that all other configs worked OK: Thanks Uros. The previous report you receive are for build/compling test, which means for these tested kconfigs, the kernel are built successfully. For this report, we have found a possible boot issue on the reported kconfig as compared to the parent commit. You can kindly do a check. Thanks > > i386 allmodconfig gcc > i386 allnoconfig gcc > i386 allyesconfig gcc > i386 buildonly-randconfig-001-20231005 gcc > i386 buildonly-randconfig-002-20231005 gcc > i386 buildonly-randconfig-003-20231005 gcc > i386 buildonly-randconfig-004-20231005 gcc > i386 buildonly-randconfig-005-20231005 gcc > i386 buildonly-randconfig-006-20231005 gcc > i386 debian-10.3 gcc > i386 defconfig gcc > i386 randconfig-001-20231005 gcc > i386 randconfig-002-20231005 gcc > i386 randconfig-003-20231005 gcc > i386 randconfig-004-20231005 gcc > i386 randconfig-005-20231005 gcc > i386 randconfig-006-20231005 gcc > > and > > x86_64 allnoconfig gcc > x86_64 allyesconfig gcc > x86_64 defconfig gcc > x86_64 randconfig-001-20231005 gcc > x86_64 randconfig-002-20231005 gcc > x86_64 randconfig-003-20231005 gcc > x86_64 randconfig-004-20231005 gcc > x86_64 randconfig-005-20231005 gcc > x86_64 randconfig-006-20231005 gcc > x86_64 rhel-8.3-rust clang > x86_64 rhel-8.3 gcc > > are of interest to me. Assuming they are built with gcc-12, I wouldn't > immediately blame the compiler for the failure. Due to the nature of > the change, perhaps a weakness in the kernel has been found with some > obscure config setting. As said, my default Fedora 39 kernel (6.5.5), > built with gcc-13 works without any problems. > > Also, does a successful report from yesterday [1] mean everything was OK? > > [1] https://lore.kernel.org/lkml/202310060322.yeZgaj6Q-lkp@intel.com/ > > Uros. >