Date: Thu, 12 Oct 2023 17:31:17 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 268699] vtnet: page faults under high bandwidth load Message-ID: <bug-268699-227-gyAl9pRsJX@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-268699-227@https.bugs.freebsd.org/bugzilla/> References: <bug-268699-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D268699 Shawn Anastasio <sanastasio@raptorengineering.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |sanastasio@raptorengineerin | |g.com --- Comment #4 from Shawn Anastasio <sanastasio@raptorengineering.com> --- I'm encountering this on powerpc64le as well, on -CURRENT. Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex vtnet0-rx0 (vtnet0-rx0) r =3D 0 (0x8b0d180) locked @ /usr/src/sys/dev/virtio/network/if_vtnet.c:2189 stack backtrace: #0 0xc00000000091a148 at witness_debugger+0x98 #1 0xc00000000091b920 at witness_warn+0x4b0 #2 0xc000000000e4fd1c at trap_pfault+0x26c #3 0xc000000000e4f26c at trap+0x12c #4 0xc000000000e424ac at powerpc_interrupt+0x1cc fatal kernel trap: exception =3D 0x300 (data storage interrupt) virtual address =3D 0xdeadc0dedeadc0e8 dsisr =3D 0x40000000 srr0 =3D 0xc0000000006be608 (0x6be608) srr1 =3D 0x8000000000009033 current msr =3D 0x8000000000009033 lr =3D 0xc0000000006be5a0 (0x6be5a0) frame =3D 0xc00800006f53a240 curthread =3D 0xc00800006e4f7b40 pid =3D 12, comm =3D irq4611: ++ panic: data storage interrupt trap cpuid =3D 5 time =3D 1696974442 KDB: stack backtrace: 0xc00800006f539d30: at kdb_backtrace+0x60 0xc00800006f539e40: at vpanic+0x1b8 0xc00800006f539ef0: at panic+0x44 0xc00800006f539f20: at trap_fatal+0xc4 0xc00800006f539fa0: at trap_pfault+0x280 0xc00800006f53a050: at trap+0x12c 0xc00800006f53a180: at powerpc_interrupt+0x1cc 0xc00800006f53a210: kernel DSI read trap @ 0xdeadc0dedeadc0e8 by vtnet_rxq_eof+0x188: srr1=3D0x8000000000009033 r1=3D0xc00800006f53a4c0 cr=3D0x42400c00 xer=3D0 ctr=3D0xc000000= 00084cfa4 r2=3D0xc000000001735000 sr=3D0x40000000 frame=3D0xc00800006f53a240 0xc00800006f53a4c0: at vtnet_rxq_eof+0x11c 0xc00800006f53a600: at vtnet_rx_vq_process+0xf4 0xc00800006f53a660: at virtqueue_intr+0x2c 0xc00800006f53a690: at vtpci_intx_intr+0x11c 0xc00800006f53a6d0: at ithread_loop+0x3d8 0xc00800006f53a820: at fork_exit+0xc4 0xc00800006f53a8c0: at fork_trampoline+0x18 0xc00800006f53a8f0: at -0x4 KDB: enter: panic [ thread pid 12 tid 100550 ] Stopped at kdb_enter+0x70: ori r0, r0, 0x0 db> --=20 You are receiving this mail because: You are the assignee for the bug.=
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