Date: Sat, 01 Nov 2014 17:09:08 -0600 From: Ian Lepore <ian@FreeBSD.org> To: Mark R V Murray <markm@FreeBSD.org> Cc: "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, Adrian Chadd <adrian@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, Alexander Kabaev <kabaev@gmail.com> Subject: Re: svn commit: r273872 - in head: etc/defaults etc/rc.d libexec/save-entropy share/examples/kld/random_adaptor sys/conf sys/dev/glxsb sys/dev/random sys/kern sys/modules sys/modules/padlock_rng sys/mo... Message-ID: <1414883348.17308.223.camel@revolution.hippie.lan> In-Reply-To: <627C5F71-939A-4579-8A1B-45933662DAED@FreeBSD.org> References: <201410302121.s9ULLsEw055630@svn.freebsd.org> <CAJ-Vmo=3At6wagbo1iqc_KAB3BvCh8cYcvPOD%2BppvNgmg7gXLg@mail.gmail.com> <20141101181536.2b6a5911@kan> <627C5F71-939A-4579-8A1B-45933662DAED@FreeBSD.org>
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On Sat, 2014-11-01 at 22:39 +0000, Mark R V Murray wrote:
> Hi
>=20
> I=92m not sure what you are showing me here?
>=20
> How yo you draw the =93not enough entropy=94 conclusion?
>=20
> The writing happens at shutdown; before you do the shutdown could you p=
lease do a =91sysctl kern.random=92 and post the result?
>=20
> Do you have anything random-related in your rc.conf?
>=20
> Could you please do a verbose boot on a kernel with =93options RANDOM_D=
EBUG=94 set and send me the dmesg output from a failing box.
>=20
> M
Nothing related to random in rc.conf for me. Here's a verbose dmesg:
Type '?' for a list of commands, 'help' for more detailed help.
loader> set boot_verbose=3D1
loader> boot
Using DTB compiled into kernel.
Waiting for Ethernet connection... done.
Kernel entry at 0x100100...
Kernel args: (null)
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2014 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 #1 r273952: Sat Nov 1 16:55:50 MDT 2014
ilepore@revolution.hippie.lan:/local/build/staging/freebsd/rpi/obj/arm.ar=
mv6/local/build/staging/freebsd/rpi/src/sys/RPI-B-serial arm
FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
Preloaded elf kernel "/boot/kernel/kernel" at 0xc066d000.
CPU: ARM1176JZ-S rev 7 (ARM11J core)
Supported features: ARM_ISA THUMB2 JAZELLE ARMv4 Security_Ext
WB enabled LABT branch prediction enabled
16KB/32B 4-way instruction cache
16KB/32B 4-way write-back-locking-C data cache
real memory =3D 134213632 (127 MB)
avail memory =3D 123449344 (117 MB)
Physical memory chunk(s):
0x00001000 - 0x07ffffff, 127 MB ( 32767 pages)
Excluded memory regions:
0x00100000 - 0x007a4fff, 6 MB ( 1701 pages) NoAlloc=20
0x08000000 - 0x0fffffff, 128 MB ( 32768 pages) NoAlloc NoDump
Static device mappings:
0x20000000 - 0x20ffffff mapped at VA 0xfef00000
random device not loaded/active; using insecure pseudo-random number
generator
random: entropy device infrastructure driver
random: random_adaptors_init
random: selecting highest priority adaptor <Dummy>
random: random_adaptor_choose - changing from NULL to Dummy
random: dummy_random_init
openfirm: <Open Firmware control device>
random: SOFT: yarrow init()
random: selecting highest priority adaptor <Yarrow>
random: random_adaptor_choose - changing from Dummy to Yarrow
random: random_harvestq_init
mem: <memory>
nfslock: pseudo-device
null: <full device, null device, zero device>
random: device_attach(): feeding 4 bit(s) of entropy from nexus0
ofwbus0: <Open Firmware Device Tree>
simplebus0: <Flattened device tree simple bus> mem 0x20000000-0x20ffffff
on ofwbus0
random: device_attach(): feeding 4 bit(s) of entropy from simplebus0
random: device_attach(): feeding 4 bit(s) of entropy from ofwbus0
ofwbus0: <cpus> type unknown (no driver attached)
intc0: <BCM2835 Interrupt Controller> mem 0xb200-0xb3ff on simplebus0
random: device_attach(): feeding 4 bit(s) of entropy from intc0
systimer0: <BCM2835 System Timer> mem 0x3000-0x3fff irq 8,9,10,11 on
simplebus0
Event timer "BCM2835 Event Timer 3" frequency 1000000 Hz quality 1000
Timecounter "BCM2835 Timecounter" frequency 1000000 Hz quality 1000
random: device_attach(): feeding 4 bit(s) of entropy from systimer0
simplebus0: <armtimer> mem 0xb400-0xb423 irq 0 compat
broadcom,bcm2835-sp804 (no driver attached)
bcmwd0: <BCM2708/2835 Watchdog> mem 0x10001c-0x100027 on simplebus0
random: device_attach(): feeding 4 bit(s) of entropy from bcmwd0
gpio0: <BCM2708/2835 GPIO controller> mem 0x200000-0x2000af irq
57,59,58,60 on simplebus0
gpio0: read-only pins: 46,47,48,49,50,51,52,53.
gpio0: reserved pins: 48,49,50,51,52,53.
gpioc0: <GPIO controller> on gpio0
random: device_attach(): feeding 4 bit(s) of entropy from gpioc0
gpiobus0: <OFW GPIO bus> on gpio0
gpioled0: <GPIO led> at pin(s) 16 on gpiobus0
random: device_attach(): feeding 4 bit(s) of entropy from gpioled0
random: device_attach(): feeding 4 bit(s) of entropy from gpiobus0
random: device_attach(): feeding 4 bit(s) of entropy from gpio0
simplebus0: <bsc0> mem 0x205000-0x20501f irq 61 compat
broadcom,bcm2835-bsc (no driver attached)
simplebus0: <bsc1> mem 0x804000-0x80401f irq 61 compat
broadcom,bcm2835-bsc (no driver attached)
simplebus0: <spi0> mem 0x204000-0x20401f irq 62 compat
broadcom,bcm2835-spi (no driver attached)
bcm_dma0: <BCM2835 DMA Controller> mem 0x7000-0x7fff,0xe05000-0xe05fff
irq 24,25,26,27,28,29,30,31,32,33,34,35,36 on simplebus0
random: device_attach(): feeding 4 bit(s) of entropy from bcm_dma0
mbox0: <BCM2835 VideoCore Mailbox> mem 0xb880-0xb8bf irq 1 on simplebus0
random: device_attach(): feeding 4 bit(s) of entropy from mbox0
sdhci_bcm0: <Broadcom 2708 SDHCI controller> mem 0x300000-0x3000ff irq
70 on simplebus0
sdhci_bcm0-slot0: 50MHz HS 4bits 3.3V 1.8V PIO
sdhci_bcm0-slot0: =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D REGISTER DUM=
P =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
sdhci_bcm0-slot0: Sys addr: 0x00000000 | Version: 0x00009902
sdhci_bcm0-slot0: Blk size: 0x00000000 | Blk cnt: 0x00000000
sdhci_bcm0-slot0: Argument: 0x00000000 | Trn mode: 0x00000000
sdhci_bcm0-slot0: Present: 0x01ff0000 | Host ctl: 0x00000000
sdhci_bcm0-slot0: Power: 0x00000000 | Blk gap: 0x00000000
sdhci_bcm0-slot0: Wake-up: 0x00000000 | Clock: 0x00000000
sdhci_bcm0-slot0: Timeout: 0x00000000 | Int stat: 0x00000000
sdhci_bcm0-slot0: Int enab: 0x01ff00fb | Sig enab: 0x01ff00fb
sdhci_bcm0-slot0: AC12 err: 0x00000000 | Slot int: 0x00000000
sdhci_bcm0-slot0: Caps: 0x00000000 | Max curr: 0x00000001
sdhci_bcm0-slot0: =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
mmc0: <MMC/SD bus> on sdhci_bcm0
random: device_attach(): feeding 4 bit(s) of entropy from mmc0
random: device_attach(): feeding 4 bit(s) of entropy from sdhci_bcm0
uart0: <PrimeCell UART (PL011)> mem 0x201000-0x201fff irq 65 on
simplebus0
uart0: console (115200,n,8,1)
uart0: fast interrupt
random: device_attach(): feeding 4 bit(s) of entropy from uart0
simplebus0: <vchiq> mem 0xb800-0xb84f irq 2 compat
broadcom,bcm2835-vchiq (no driver attached)
dwcotg0: <DWC OTG 2.0 integrated USB controller> mem 0x980000-0x99ffff
irq 17 on simplebus0
usbus0 on dwcotg0
dwcotg0: usbpf: Attached
random: device_attach(): feeding 4 bit(s) of entropy from usbus0
random: device_attach(): feeding 4 bit(s) of entropy from dwcotg0
ofwbus0: <system> type unknown (no driver attached)
ofwbus0: <display> type unknown (no driver attached)
ofwbus0: <leds> type unknown (no driver attached)
ofwbus0: <regulator> type unknown (no driver attached)
Timecounters tick every 10.000 msec
tcp_init: net.inet.tcp.tcbhashsize auto tuned to 1024
lo0: bpf attached
sdhci_bcm0-slot0: Divider 63 for freq 396825 (max 50000000)
mmc0: Probing bus
usbus0: 480Mbps High Speed USB v2.0
mmc0: SD 2.0 interface conditions: OK
mmc0: SD probe: OK (OCR: 0x00ff8000)
mmc0: Current OCR: 0x00ff8000
ugen0.1: <DWCOTG> at usbus0
uhub0: <DWCOTG OTG Root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus0
mmc0: Probing cards
mmc0: New card detected (CID 02544d5341303847049cce24e3009a00)
mmc0: New card detected (CSD 400e00325b5900003b677f800a400000)
mmc0: Card at relative address 0x1234 added:
mmc0: card: SDHC SA08G 0.4 SN 9CCE24E3 MFG 10/2009 by 2 TM
mmc0: bus: 4bit, 50MHz, high speed timing
mmc0: memory: 15572992 blocks, erase sector 8192 blocks
mmc0: setting transfer rate to 50.000MHz (high speed timing)
sdhci_bcm0-slot0: Divider 0 for freq 50000000 (max 50000000)
mmcsd0: 8GB <SDHC SA08G 0.4 SN 9CCE24E3 MFG 10/2009 by 2 TM> at mmc0
50.0MHz/4bit/65535-block
random: device_attach(): feeding 4 bit(s) of entropy from mmcsd0
bootpc_init: wired to interface 'ue0'
GEOM: new disk mmcsd0
mmc0: setting bus width to 4 bits
mmcsd0: Error indicated: 2 Bad CRC
uhub_attach: Turning port 1 power on
uhub0: 1 port with 1 removable, self powered
random: device_attach(): feeding 4 bit(s) of entropy from uhub0
ugen0.2: <vendor 0x0424> at usbus0
uhub1: <vendor 0x0424 product 0x9512, class 9/0, rev 2.00/2.00, addr 2>
on usbus0
uhub1: MTT enabled
uhub_attach: Turning port 1 power on
uhub_attach: Turning port 2 power on
uhub_attach: Turning port 3 power on
uhub1: 3 ports with 2 removable, self powered
random: device_attach(): feeding 4 bit(s) of entropy from uhub1
ugen0.3: <vendor 0x0424> at usbus0
smsc0: <vendor 0x0424 product 0xec00, rev 2.00/2.00, addr 3> on usbus0
random: device_attach(): feeding 4 bit(s) of entropy from smsc0
smsc0: chip 0xec00, rev. 0002
miibus0: <MII bus> on smsc0
ukphy0: <Generic IEEE 802.3u media interface> PHY 1 on miibus0
ukphy0: OUI 0x00800f, model 0x000c, rev. 3
ukphy0: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
random: device_attach(): feeding 4 bit(s) of entropy from ukphy0
random: device_attach(): feeding 4 bit(s) of entropy from miibus0
ue0: <USB Ethernet> on smsc0
ue0: bpf attached
ue0: Ethernet address: f6:00:e5:4b:c0:fb
smsc0: chip 0xec00, rev. 0002
ue0: link state changed to DOWN
Sending DHCP Discover packet from interface ue0 (f6:00:e5:4b:c0:fb)
ue0: link state changed to UP
Received DHCP Offer packet on ue0 from 0.0.0.0 (accepted)
Sending DHCP Request packet from interface ue0 (f6:00:e5:4b:c0:fb)
Received DHCP Ack packet on ue0 from 0.0.0.0 (accepted)
ue0 at 172.22.42.29 server 0.0.0.0
subnet mask 255.255.255.0 router 172.22.42.254 rootfs
172.22.42.240:/rpi=20
Adjusted interface ue0
Trying to mount root from nfs:172.22.42.240:/rpi [ro,noatime]...
NFS ROOT: 172.22.42.240:/rpi
warning: no time-of-day clock registered, system time will not be set
accurately
warning: no time-of-day clock registered, system time will not be set
accurately
start_init: trying /sbin/init
Interface ue0 IP-Address 172.22.42.29 Broadcast 172.22.42.255=20
Setting hostuuid: 1d295353-1dd2-11b2-9f30-653cd80a9fc4.
Setting hostid: 0x2896f513.
No suitable dump device was found.
Starting file system checks:
mount_nfs: can't update /var/db/mounttab for 172.22.42.240:/rpi
Mounting local file systems:.
Writing entropy file:
It hangs forever here. If I break into the debugger it's in cpu_idle().
-- Ian
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