Date: Mon, 06 Jan 2020 11:11:11 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 243126] Assertion fl->ifl_cidx == cidx failed at /usr/src/sys/net/iflib.c:2531 Message-ID: <bug-243126-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D243126 Bug ID: 243126 Summary: Assertion fl->ifl_cidx =3D=3D cidx failed at /usr/src/sys/net/iflib.c:2531 Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: avg@FreeBSD.org This happened with FreeBSD head r351653 and if_em interface in a VMware gue= st. I have a crash dump. This is the stack trace: #11 kdb_enter (why=3D0xffffffff80bdbcb7 "panic", msg=3D0xffffffff80bdbcb7 "= panic") at /usr/src/sys/kern/subr_kdb.c:483 #12 0xffffffff8077cff1 in vpanic (fmt=3D<optimized out>, ap=3D<optimized ou= t>) at /usr/src/sys/kern/kern_shutdown.c:987 #13 0xffffffff8077c2cd in kassert_panic (fmt=3D0xffffffff80b4f01d "Assertio= n %s failed at %s:%d") at /usr/src/sys/kern/kern_shutdown.c:879 #14 0xffffffff808b721e in rxd_frag_to_sd (rxq=3D0xfffffe00003fe000, irf=3D<optimized out>, unload=3D<error reading variable: Cannot access memo= ry at address 0x0>, sd=3D0xfffffe0011a54900, pf_rv=3D0xfffffe0011a549b0, ri=3D0xfffffe0011a54960) at /usr/src/sys/net/iflib.c:2531 #15 0xffffffff808b10e4 in assemble_segments (rxq=3D<optimized out>, ri=3D0x1dd05ea00000000, sd=3D0xfffff80002d1b470, pf_rv=3D0x100000000) at /usr/src/sys/net/iflib.c:2594 #16 iflib_rxd_pkt_get (rxq=3D<optimized out>, ri=3D<optimized out>) at /usr/src/sys/net/iflib.c:2671 #17 iflib_rxeof (rxq=3D<optimized out>, budget=3D16) at /usr/src/sys/net/iflib.c:2803 #18 _task_fn_rx (context=3D<optimized out>) at /usr/src/sys/net/iflib.c:3795 #19 0xffffffff807c72a9 in gtaskqueue_run_locked (queue=3D0xfffff80002922600= ) at /usr/src/sys/kern/subr_gtaskqueue.c:377 #20 0xffffffff807c7028 in gtaskqueue_thread_loop (arg=3D<optimized out>) at /usr/src/sys/kern/subr_gtaskqueue.c:558 #21 0xffffffff8073ce34 in fork_exit (callout=3D0xffffffff807c6fa0 <gtaskqueue_thread_loop>, arg=3D0xfffffe00007f9008, frame=3D0xfffffe0011a54= ac0) at /usr/src/sys/kern/kern_fork.c:1048 I can provide any additional information. Also, I can do some debugging myself, but I need some help with that as I d= on't know iflib code at all. --=20 You are receiving this mail because: You are the assignee for the bug.=
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