Date: Thu, 9 May 2013 04:09:24 +0300 From: Petko Bordjukov <bordjukov@gmail.com> To: svn-src-head@freebsd.org Subject: svn commit: r250385 - head/sys/mips/conf Message-ID: <CAAgmp6u9RNwAhiDWwc6S%2B_2onH9sdcuR7ehYOtimQGw78so=sQ@mail.gmail.com>
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Hello,
This commit leads to a TLB miss at device_get_parent on boot on the RS.
RedBoot> load -p 6969 kernel/kernel
Using default protocol (TFTP)
Entry point: 0x80050100, address range: 0x80050000-0x8056ae38
RedBoot> exec
Now booting linux kernel:
Base address 0x80050000 Entry 0x80050100
Cmdline : console=ttyS0,115200 init=/init
CPU platform: Atheros AR7161 rev 2
CPU Frequency=680 MHz
CPU DDR Frequency=170 MHz
CPU AHB Frequency=85 MHz
platform frequency: 680000000
CPU reference clock: 40 MHz
arguments:
a0 = 00000002
a1 = 80050028
a2 = 80050000
a3 = 0000001b
Cmd line: console=ttyS0,115200 init=/init
Environment:
memsize = 0x04000000
modetty0 = 0,n,8,1,hw
ethaddr = ommitted
board = Ubiquiti AR71xx-based board
Cache info:
picache_stride = 4096
picache_loopcount = 16
pdcache_stride = 4096
pdcache_loopcount = 8
cpu0: MIPS Technologies processor v116.147
MMU: Standard TLB, 16 entries
L1 i-cache: 4 ways of 512 sets, 32 bytes per line
L1 d-cache: 4 ways of 256 sets, 32 bytes per line
Config1=0x9ee3519e<PerfCount,WatchRegs,MIPS16,EJTAG>
Config3=0x20
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2013 The FreeBSD Project.
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FreeBSD 10.0-CURRENT #1 r250385: Thu May 9 04:04:12 EEST 2013
root@virtbsd10:/usr/obj/mips.mips/usr/src/sys/ROUTERSTATION mips
gcc version 4.2.1 20070831 patched [FreeBSD]
WARNING: WITNESS option enabled, expect reduced performance.
MEMGUARD DEBUGGING ALLOCATOR INITIALIZED:
MEMGUARD map base: 0xc0400000
MEMGUARD map limit: 0xc6a67000
MEMGUARD map size: 104860 KBytes
real memory = 67108864 (65536K bytes)
avail memory = 56496128 (53MB)
random device not loaded; using insecure entropy
nexus0: <MIPS32 root nexus>
clock0: <Generic MIPS32 ticker> on nexus0
Timecounter "MIPS32" frequency 340000000 Hz quality 800
Event timer "MIPS32" frequency 340000000 Hz quality 800
apb0 at irq 4 on nexus0
uart0: <16550 or compatible> on apb0
uart0: console (115200,n,8,1)
gpio0: <Atheros AR71XX GPIO driver> on apb0
gpio0: [GIANT-LOCKED]
gpio0: gpio pinmask=0x0
gpioc0: <GPIO controller> on gpio0
gpiobus0: <GPIO bus> on gpio0
gpioled0: <GPIO led> at pin(s) 2 on gpiobus0
ehci0: <AR71XX Integrated USB 2.0 controller> at mem 0x1b000000-0x1bffffff
irq 1 on nexus0
usbus0: set host controller mode
usbus0: EHCI version 1.0
usbus0: set host controller mode
usbus0 on ehci0
pcib0 at irq 0 on nexus0
pcib0: ar71xx_pci_attach: missing hint 'baseslot', default to
AR71XX_PCI_BASE_SLOT
pci0: <PCI bus> on pcib0
ath0: <Atheros 2413> irq 1 at device 18.0 on pci0
ath0: AR2413 mac 7.8 RF2413 phy 4.5
ath0: 2GHz radio: 0x0000; 5GHz radio: 0x0056
ath1: <Atheros 9220> irq 2 at device 19.0 on pci0
ath1: [HT] enabling HT modes
ath1: [HT] 1 stream STBC receive enabled
ath1: [HT] 1 stream STBC transmit enabled
ath1: [HT] 2 RX streams; 2 TX streams
ath1: AR9220 mac 128.2 RF5133 phy 13.0
ath1: 2GHz radio: 0x0000; 5GHz radio: 0x00c0
arge0: <Atheros AR71xx built-in ethernet interface> at mem
0x19000000-0x19000fff irq 2 on nexus0
miiproxy0: <MII/MDIO proxy, MII side> on arge0
arge0: can't attach proxy
arge0: finishing attachment, phymask 100000, proxy null
arge0: unable to attach PHY 20: 6
device_attach: arge0 attach returned 6
arge1: <Atheros AR71xx built-in ethernet interface> at mem
0x1a000000-0x1a000fff irq 3 on nexus0
miiproxy1: <MII/MDIO proxy, MII side> on arge1
Trap cause = 2 (TLB miss (load or instr. fetch) - kernel mode)
[ thread pid 0 tid 100000 ]
Stopped at device_get_parent: jr ra
db> where
Tracing pid 0 tid 100000 td 0x80570170
db_trace_thread+30 (?,?,?,?) ra 807057b800000018 sp 0 sz 0
8007b19c+114 (0,?,ffffffff,?) ra 807057d000000020 sp 100000000 sz 1
8007a4e4+388 (?,?,?,?) ra 807057f0000000a8 sp 0 sz 0
db_command_loop+70 (?,?,?,?) ra 8070589800000018 sp 0 sz 0
8007cfe0+f4 (?,?,?,?) ra 807058b0000001a8 sp 0 sz 0
kdb_trap+110 (?,?,?,?) ra 80705a5800000030 sp 0 sz 0
trap+f18 (?,?,?,?) ra 80705a88000000b8 sp 0 sz 0
MipsKernGenException+134 (0,8100d880,8049ece8,fa) ra 80705b40000000c8 sp
100000001 sz 1
device_get_parent+0 (?,?,?,?) ra 80705c0800000000 sp 0 sz 0
pid 0
db>
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