svn commit: r278977 - in head/sys: dev/cxgb dev/cxgb/sys dev/cxgb/ulp/tom dev/xen/netfront sys

Thu Feb 19 18:47:22 UTC 2015

El 19/02/15 a les 2.19, Gleb Smirnoff ha escrit:
> Author: glebius
> Date: Thu Feb 19 01:19:42 2015
> New Revision: 278977
> URL: https://svnweb.freebsd.org/changeset/base/278977
> 
> Log:
>   Provide a set of inline functions to manage simple mbuf(9) queues, based
>   on queue(3)'s STAILQ.  Utilize them in cxgb(4) and Xen, deleting home
>   grown implementations.
>   
>   Sponsored by:	Netflix
>   Sponsored by:	Nginx, Inc.

Have you tested this commit on Xen? I'm getting the following:

xn0: <Virtual Network Interface> at device/vif/0 on xenbusb_front0
xn0: Ethernet address: 00:16:3e:51:85:e3
xenbusb_back0: <Xen Backend Devices> on xenstore0
xbd0: Back-end specified ring-pages of 15 is not a power of 2. Limited to 8.
xn0: backend features: feature-sg feature-gso-tcp4
panic: no mbufs processed
cpuid = 0
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe007adc3920
vpanic() at vpanic+0x189/frame 0xfffffe007adc39a0
kassert_panic() at kassert_panic+0x132/frame 0xfffffe007adc3a10
network_alloc_rx_buffers() at network_alloc_rx_buffers+0x439/frame 0xfffffe007adc3ac0
network_connect() at network_connect+0xac1/frame 0xfffffe007adc3b50
netfront_backend_changed() at netfront_backend_changed+0xed/frame 0xfffffe007adc3b90
xenwatch_thread() at xenwatch_thread+0x1a2/frame 0xfffffe007adc3bb0
fork_exit() at fork_exit+0x84/frame 0xfffffe007adc3bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe007adc3bf0
--- trap 0, rip = 0, rsp = 0xfffffe007adc3cb0, rbp = 0 ---
KDB: enter: panic
[ thread pid 15 tid 100038 ]
Stopped at      kdb_enter+0x3e: movq    $0,kdb_why

Full boot dmesg attached below.

/boot/kernel/kernel text=0x1026770 data=0x12cb20+0x3faf70 syms=[0x8+0x147270+0x8+0x162fd8]
Booting...
GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2015 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 11.0-CURRENT #0: Thu Feb 19 19:14:10 CET 2015
    root@:/usr/obj/usr/src/sys/GENERIC amd64
FreeBSD clang version 3.5.1 (tags/RELEASE_351/final 225668) 20150115
WARNING: WITNESS option enabled, expect reduced performance.
VT: running with driver "vga".
XEN: Hypervisor version 4.6 detected.
CPU: Intel(R) Xeon(R) CPU           W3550  @ 3.07GHz (3066.84-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x106a5  Family=0x6  Model=0x1a  Stepping=5
  Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x81b82201<SSE3,SSSE3,CX16,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,HV>
  AMD Features=0x20100800<SYSCALL,NX,LM>
  AMD Features2=0x1<LAHF>
Hypervisor: Origin = "XenVMMXenVMM"
real memory  = 2139095040 (2040 MB)
avail memory = 2031947776 (1937 MB)
Event timer "LAPIC" quality 400
ACPI APIC Table: <Xen HVM>
FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
FreeBSD/SMP: 1 package(s) x 8 core(s)
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  2
 cpu2 (AP): APIC ID:  4
 cpu3 (AP): APIC ID:  6
 cpu4 (AP): APIC ID:  8
 cpu5 (AP): APIC ID: 10
 cpu6 (AP): APIC ID: 12
 cpu7 (AP): APIC ID: 14
ioapic0: Changing APIC ID to 1
MADT: Forcing active-low polarity and level trigger for SCI
ioapic0 <Version 1.1> irqs 0-47 on motherboard
random: entropy device infrastructure driver
random: selecting highest priority adaptor <Dummy>
kbd1 at kbdmux0
netmap: loaded module
random: SOFT: yarrow init()
random: selecting highest priority adaptor <Yarrow>
module_register_init: MOD_LOAD (vesa, 0xffffffff80dde720, 0) error 19
vtvga0: <VT VGA driver> on motherboard
xenpv0: <Xen PV bus> on motherboard
granttable0: <Xen Grant-table Device> on xenpv0
xen_et0: <Xen PV Clock> on xenpv0
Event timer "XENTIMER" frequency 1000000000 Hz quality 950
Timecounter "XENTIMER" frequency 1000000000 Hz quality 950
xenstore0: <XenStore> on xenpv0
evtchn0: <Xen event channel user-space device> on xenpv0
privcmd0: <Xen privileged interface user-space device> on xenpv0
isa0: <ISA bus> on xenpv0
acpi0: <Xen> on motherboard
acpi0: Power Button (fixed)
acpi0: Sleep Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
cpu4: <ACPI CPU> on acpi0
cpu5: <ACPI CPU> on acpi0
cpu6: <ACPI CPU> on acpi0
cpu7: <ACPI CPU> on acpi0
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 62500000 Hz quality 950
attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
Event timer "RTC" frequency 32768 Hz quality 0
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <32-bit timer at 3.579545MHz> port 0xb008-0xb00b on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
isab0: <PCI-ISA bridge> at device 1.0 on pci0
device_attach: isab0 attach returned 6
atapci0: <Intel PIIX3 WDMA2 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xc200-0xc20f at device 1.1 on pci0
ata0: <ATA channel> at channel 0 on atapci0
ata1: <ATA channel> at channel 1 on atapci0
pci0: <bridge> at device 1.3 (no driver attached)
xenpci0: <Xen Platform Device> port 0xc000-0xc0ff mem 0xf2000000-0xf2ffffff irq 24 at device 2.0 on pci0
vgapci0: <VGA-compatible display> mem 0xf0000000-0xf1ffffff,0xf3050000-0xf3050fff at device 3.0 on pci0
vgapci0: Boot video device
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model IntelliMouse Explorer, device ID 4
fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: does not respond
device_attach: fdc0 attach returned 6
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
uart0: console (115200,n,8,1)
qpi0: <QPI system bus> on motherboard
orm0: <ISA Option ROM> at iomem 0xef000-0xeffff on isa0
vga0: <Generic ISA VGA> at port 0x3b0-0x3bb iomem 0xb0000-0xb7fff on isa0
fdc0: No FDOUT register!
ppc0: cannot reserve I/O port range
Timecounters tick every 1.000 msec
xenballoon0: <Xen Balloon Device> on xenstore0
xctrl0: <Xen Control Device> on xenstore0
xs_dev0: <Xenstore user-space device> on xenstore0
xenbusb_front0: <Xen Frontend Devices> on xenstore0
xenbusb_add_device: Device device/suspend/event-channel ignored. State 6
xn0: <Virtual Network Interface> at device/vif/0 on xenbusb_front0
xn0: Ethernet address: 00:16:3e:51:85:e3
xenbusb_back0: <Xen Backend Devices> on xenstore0
xbd0: Back-end specified ring-pages of 15 is not a power of 2. Limited to 8.
xn0: backend features: feature-sg feature-gso-tcp4
panic: no mbufs processed
cpuid = 0
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe007adc3920
vpanic() at vpanic+0x189/frame 0xfffffe007adc39a0
kassert_panic() at kassert_panic+0x132/frame 0xfffffe007adc3a10
network_alloc_rx_buffers() at network_alloc_rx_buffers+0x439/frame 0xfffffe007adc3ac0
network_connect() at network_connect+0xac1/frame 0xfffffe007adc3b50
netfront_backend_changed() at netfront_backend_changed+0xed/frame 0xfffffe007adc3b90
xenwatch_thread() at xenwatch_thread+0x1a2/frame 0xfffffe007adc3bb0
fork_exit() at fork_exit+0x84/frame 0xfffffe007adc3bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe007adc3bf0
--- trap 0, rip = 0, rsp = 0xfffffe007adc3cb0, rbp = 0 ---
KDB: enter: panic
[ thread pid 15 tid 100038 ]
Stopped at      kdb_enter+0x3e: movq    $0,kdb_why