https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286819
--- Comment #2 from Haresh <[email protected]> --- Hi Mark, We still the KMSAN issue after applying the patch proposed. Below is the log trace: panic: MSan: uninitialized variable in 0xffffffff81232959 cpuid = 48 time = 1747376573 KDB: stack backtrace: #0 0xffffffff8351df86 at kdb_backtrace+0x166 #1 0xffffffff8334563f at vpanic+0x66f #2 0xffffffff83344fcd at panic+0x1dd #3 0xffffffff8352d849 at __msan_warning+0x219 #4 0xffffffff81232959 at em_newitr+0x1549 #5 0xffffffff812723b2 at em_msix_que+0x172 #6 0xffffffff83ac4a57 at iflib_fast_intr_rxtx+0xe7 #7 0xffffffff831c6c44 at intr_event_handle+0x3e4 #8 0xffffffff84fbf04b at intr_execute_handlers+0x1bb #9 0xffffffff8551fbd0 at lapic_handle_intr+0x190 #10 0xffffffff85000a61 at Xapic_isr1+0xe1 #11 0xffffffff84fb01c5 at cpu_idle_acpi+0xf5 #12 0xffffffff84fb04d7 at cpu_idle+0x2d7 #13 0xffffffff83480a5a at sched_idletd+0x62a #14 0xffffffff831b4116 at fork_exit+0x266 #15 0xffffffff8500077e at fork_trampoline+0xe kgdb backtrace: (kgdb) bt #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57 #1 doadump (textdump=<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:405 #2 0xffffffff83343a0a in kern_reboot (howto=howto@entry=260) at /usr/src/sys/kern/kern_shutdown.c:523 #3 0xffffffff83345877 in vpanic (fmt=fmt@entry=0xffffffff85688718 "MSan: uninitialized variable in %p", ap=ap@entry=0xfffffe0472120450) at /usr/src/sys/kern/kern_shutdown.c:967 #4 0xffffffff83344fcd in panic (fmt=0xffffffff85688718 "MSan: uninitialized variable in %p") at /usr/src/sys/kern/kern_shutdown.c:891 #5 0xffffffff8352d849 in kmsan_report_inline (orig=0, pc=18446744071581149529) at /usr/src/sys/kern/subr_msan.c:246 #6 __msan_warning (origin=0) at /usr/src/sys/kern/subr_msan.c:711 #7 0xffffffff81232959 in em_newitr (sc=sc@entry=0xfffffe01a9bf8000, que=que@entry=0xfffffe01abe00000, txr=txr@entry=0xfffffe01abf8a018, rxr=rxr@entry=0xfffffe01abe00018) at /usr/src/sys/dev/e1000/if_em.c:1713 #8 0xffffffff812723b2 in em_msix_que (arg=arg@entry=0xfffffe01abe00000) at /usr/src/sys/dev/e1000/if_em.c:1909 #9 0xffffffff83ac4a57 in iflib_fast_intr_rxtx (arg=<optimized out>) at /usr/src/sys/net/iflib.c:1598 #10 0xffffffff831c6c44 in intr_event_handle (ie=ie@entry=0xfffffe01a9add200, frame=frame@entry=0xfffffe0472120ab0) at /usr/src/sys/kern/kern_intr.c:1389 #11 0xffffffff84fbf04b in intr_execute_handlers (isrc=0xfffffe01abfb6880, frame=frame@entry=0xfffffe0472120ab0) at /usr/src/sys/x86/x86/intr_machdep.c:354 #12 0xffffffff8551fbd0 in lapic_handle_intr (vector=49, frame=0xfffffe0472120ab0) at /usr/src/sys/x86/x86/local_apic.c:1287 #13 <signal handler called> #14 0xffffffff80b14671 in acpi_cpu_idle (sbt=sbt@entry=4169159518) at /usr/src/sys/dev/acpica/acpi_cpu.c:1167 #15 0xffffffff84fb01c5 in cpu_idle_acpi (sbt=sbt@entry=4169159518) at /usr/src/sys/x86/x86/cpu_machdep.c:590 #16 0xffffffff84fb04d7 in cpu_idle (busy=busy@entry=0) at /usr/src/sys/x86/x86/cpu_machdep.c:679 #17 0xffffffff83480a5a in sched_idletd (dummy=<optimized out>) at /usr/src/sys/kern/sched_ule.c:3061 #18 0xffffffff831b4116 in fork_exit (callout=0xffffffff83480430 <sched_idletd>, arg=0x0, frame=0xfffffe0472120f40) at /usr/src/sys/kern/kern_fork.c:1153 #19 <signal handler called> (kgdb) list *0xffffffff81232959 0xffffffff81232959 is in em_newitr (/usr/src/sys/dev/e1000/if_em.c:1713). 1708 else if ((packets < 10) || 1709 (bytes_per_packet > 1200)) 1710 nextlatency = itr_latency_bulk; 1711 else if (packets > 35) 1712 nextlatency = itr_latency_lowest; 1713 } else if (bytes_per_packet > 2000) { 1714 nextlatency = itr_latency_bulk; 1715 } else if (packets < 3 && bytes < 512) { 1716 nextlatency = itr_latency_lowest; 1717 } -- You are receiving this mail because: You are the assignee for the bug.
