Commits added to powerpc.git next and master branches
Benjamin Herrenschmidt
benh at kernel.crashing.org
Sun Dec 21 20:32:17 EST 2008
On Sun, 2008-12-21 at 02:07 -0700, Grant Likely wrote:
> Hey Paul,
>
> Top of your -next tree fails with a stack overflow on the MPC5200 when
> attempting to mount an NFS rootfs (log below). I haven't had a chance
> to bisect yet, but I'm posting this in case someone has already seen
> and solved this.
>From the NIP & LR values, it looks like it could be my fault.
MPC5200 is a 603 core right ?
Cheers,
Ben.
> Cheers,
> g.
>
> Linux/PowerPC load: ip=192.168.0.64::192.168.0.1
> nfsroot=192.168.0.200:/home/srv/nfs/gdc/efika-1,tcp rw
> console=ttyPSC0,115200 libata.force=udma2
> Finalizing device tree... using OF tree (promptr=01003ed8)
> OF stdout device is: /failsafe
> command line: ip=192.168.0.64::192.168.0.1
> nfsroot=192.168.0.200:/home/srv/nfs/gdc/efika-1,tcp rw
> console=ttyPSC0,115200 libata.force=udma2
> memory layout at init:
> alloc_bottom : 01ba7000
> alloc_top : 30000000
> alloc_top_hi : f000c000
> rmo_top : 30000000
> ram_top : f000c000
> Looking for displays
> instantiating rtas at 0x07ffb000 ... done
> Applying EFIKA device tree fixups
> Fixing bestcomm interrupts property
> Adding sound interrupts property
> Adding Ethernet MDIO node
> Adding Ethernet PHY node
> copying OF device tree ...
> Building dt strings...
> Building dt structure...
> Device tree strings 0x01ba8000 -> 0x01ba87ae
> Device tree struct 0x01ba9000 -> 0x01bac000
> Calling quiesce ...
> returning from prom_init
> psc_console=fdfe2000
> [ 0.000000] Using Efika machine description
> [ 0.000000] Only using first contiguous memory region<5>Linux
> version 2.6.28-rc8-00225-gf06f0c2 (grant at trillian) (gcc version 4.1.2)
> #57 Sun Dec 21 01:59:34 MST 2008
> [ 0.000000] console [udbg0] enabled
> [ 0.000000] Efika: PCI bus 0 controlled by /pci at 80000000
> [ 0.000000]
> [ 0.000000] PCI host bridge /pci at 80000000 ranges:
> [ 0.000000] IO 0x00000000f8000000..0x00000000f800ffff -> 0x0000000000000000
> [ 0.000000] MEM 0x0000000080000000..0x00000000bfffffff ->
> 0x0000000080000000
> [ 0.000000] Top of RAM: 0x8000000, Total RAM: 0x8000000
> [ 0.000000] Memory hole size: 0MB
> [ 0.000000] Zone PFN ranges:
> [ 0.000000] DMA 0x00000000 -> 0x00008000
> [ 0.000000] Normal 0x00008000 -> 0x00008000
> [ 0.000000] Movable zone start PFN for each node
> [ 0.000000] early_node_map[1] active PFN ranges
> [ 0.000000] 0: 0x00000000 -> 0x00008000
> [ 0.000000] On node 0 totalpages: 32768
> [ 0.000000] free_area_init_node: node 0, pgdat c0379b4c,
> node_mem_map c03a5000
> [ 0.000000] DMA zone: 256 pages used for memmap
> [ 0.000000] DMA zone: 0 pages reserved
> [ 0.000000] DMA zone: 32512 pages, LIFO batch:7
> [ 0.000000] Normal zone: 0 pages used for memmap
> [ 0.000000] Movable zone: 0 pages used for memmap
> [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.
> Total pages: 32512
> [ 0.000000] Kernel command line: ip=192.168.0.64::192.168.0.1
> nfsroot=192.168.0.200:/home/srv/nfs/gdc/efika-1,tcp rw
> console=ttyPSC0,115200 libata.force=udma2
> [ 0.000000] MPC52xx PIC is up and running!
> [ 0.000000] PID hash table entries: 512 (order: 9, 2048 bytes)
> [ 0.000000] time_init: decrementer frequency = 33.000000 MHz
> [ 0.000000] time_init: processor frequency = 396.000000 MHz
> [ 0.000000] clocksource: timebase mult[79364d9] shift[22] registered
> [ 0.000000] clockevent: decrementer mult[872] shift[16] cpu[0]
> [ 0.012342] Console: colour dummy device 80x25
> [ 0.022389] console handover: boot [udbg0] -> real [ttyPSC0]
> [ 0.022903] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
> [ 0.035946] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
> [ 0.061939] Memory: 125980k/131072k available (3420k kernel code,
> 4932k reserved, 144k data, 122k bss, 184k init)
> [ 0.072632] SLUB: Genslabs=12, HWalign=32, Order=0-3, MinObjects=0,
> CPUs=1, Nodes=1
> [ 0.080527] Calibrating delay loop... 65.79 BogoMIPS (lpj=131584)
> [ 0.175504] Mount-cache hash table entries: 512
> [ 0.185228] net_namespace: 288 bytes
> [ 0.189594] NET: Registered protocol family 16
> [ 0.205009] PCI: Probing PCI hardware
> [ 0.209622] pci 0000:00:18.0: reg 10 io port: [0x1000-0x107f]
> [ 0.215597] pci 0000:00:18.0: reg 14 32bit mmio: [0x80000000-0x8000007f]
> [ 0.222715] pci 0000:00:18.0: reg 30 32bit mmio: [0x80020000-0x8003ffff]
> [ 0.229673] pci 0000:00:18.0: supports D1 D2
> [ 0.234086] pci 0000:00:18.0: PME# supported from D0 D1 D2 D3hot D3cold
> [ 0.240899] pci 0000:00:18.0: PME# disabled
> [ 0.246731] bus: 00 index 0 io port: [0xfdfd0000-0xfdfdffff]
> [ 0.252580] bus: 00 index 1 mmio: [0x80000000-0xbfffffff]
> [ 0.258277] DMA: MPC52xx BestComm driver
> [ 0.262509] DMA: MPC52xx BestComm engine @f0001200 ok !
> [ 0.295488] SCSI subsystem initialized
> [ 0.299714] libata version 3.00 loaded.
> [ 0.323846] Switched to high resolution mode on CPU 0
> [ 0.330777] NET: Registered protocol family 2
> [ 0.376005] IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
> [ 0.383536] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
> [ 0.391093] TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
> [ 0.397898] TCP: Hash tables configured (established 4096 bind 4096)
> [ 0.404450] TCP reno registered
> [ 0.416069] NET: Registered protocol family 1
> [ 0.459008] msgmni has been set to 246
> [ 0.464366] alg: No test for stdrng (krng)
> [ 0.468759] io scheduler noop registered
> [ 0.472902] io scheduler anticipatory registered (default)
> [ 0.478563] io scheduler deadline registered
> [ 0.483162] io scheduler cfq registered
> [ 1.001144] Generic RTC Driver v1.07
> [ 1.005815] Serial: MPC52xx PSC UART driver
> [ 1.010416] f0002000.serial: ttyPSC0 at MMIO 0xf0002000 (irq = 129)
> is a MPC52xx PSC
> [ 1.036995] brd: module loaded
> [ 1.048974] loop: module loaded
> [ 1.056105] mpc52xx MII bus: probed
> [ 1.061429] net eth0: Using PHY at MDIO address 16
> [ 1.067254] Driver 'sd' needs updating - please use bus_type methods
> [ 1.074314] ata: MPC52xx IDE/ATA libata driver
> [ 1.079598] scsi0 : mpc52xx_ata
> [ 1.083744] ata1: PATA max PIO4 ata_regs 0xf0003a00 irq 135
> [ 1.252244] ata1.00: ATA-4: TRANSCEND, 20070418, max UDMA/66
> [ 1.258098] ata1.00: 994896 sectors, multi 0: LBA
> [ 1.263139] ata1.00: FORCE: xfer_mask set to udma2
> [ 1.284181] ata1.00: configured for UDMA/33
> [ 1.289209] scsi 0:0:0:0: Direct-Access ATA TRANSCEND
> 2007 PQ: 0 ANSI: 5
> [ 1.299207] sd 0:0:0:0: [sda] 994896 512-byte hardware sectors:
> (509 MB/485 MiB)
> [ 1.307048] sd 0:0:0:0: [sda] Write Protect is off
> [ 1.312027] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> [ 1.317653] sd 0:0:0:0: [sda] Write cache: disabled, read cache:
> enabled, doesn't support DPO or FUA
> [ 1.327702] sd 0:0:0:0: [sda] 994896 512-byte hardware sectors:
> (509 MB/485 MiB)
> [ 1.335536] sd 0:0:0:0: [sda] Write Protect is off
> [ 1.340507] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> [ 1.346099] sd 0:0:0:0: [sda] Write cache: disabled, read cache:
> enabled, doesn't support DPO or FUA
> [ 1.355506] sda: sda1
> [ 1.360460] sd 0:0:0:0: [sda] Attached SCSI disk
> [ 1.368173] mice: PS/2 mouse device common for all mice
> [ 1.374670] i2c /dev entries driver
> [ 1.381619] TCP cubic registered
> [ 1.385040] NET: Registered protocol family 17
> [ 1.391136] RPC: Registered udp transport module.
> [ 1.396025] RPC: Registered tcp transport module.
> [ 1.912532] net eth0: attached phy 16 to driver Generic PHY
> [ 2.919875] IP-Config: Guessing netmask 255.255.255.0
> [ 2.925414] IP-Config: Complete:
> [ 2.928599] device=eth0, addr=192.168.0.64,
> mask=255.255.255.0, gw=192.168.0.1,
> [ 2.936518] host=192.168.0.64, domain=, nis-domain=(none),
> [ 2.942608] bootserver=255.255.255.255,
> rootserver=192.168.0.200, rootpath=
> [ 2.950769] Looking up port of RPC 100003/2 on 192.168.0.200
> [ 3.912011] PHY: f0003000:10 - Link is Up - 100/Full
> [ 4.258019] Looking up port of RPC 100005/1 on 192.168.0.200
> [ 9.286978] VFS: Mounted root (nfs filesystem).
> [ 9.291906] Freeing unused kernel memory: 184k init
> [ 9.315799] Kernel stack overflow in process c7828000, r1=c7825b60
> [ 9.322122] NIP: c0018028 LR: c0018064 CTR: 00000226
> [ 9.327192] REGS: c7825ab0 TRAP: 0901 Not tainted
> (2.6.28-rc8-00225-gf06f0c2)
> [ 9.334740] MSR: 00009032 <EE,ME,IR,DR> CR: 48002022 XER: 00000000
> [ 9.341245] TASK = c7828000[1] 'init' THREAD: c7826000
> [ 9.346309] GPR00: 00000000 c7825b60 c7828000 c78ad520 c01da000
> c0000000 c0000000 00000315
> [ 9.354853] GPR08: 00356795 c0380000 c7a24000 00000001 c7826000
> [ 9.361197] NIP [c0018028] _tlbia+0x14/0x20
> [ 9.365470] LR [c0018064] tlb_flush+0x30/0x40
> [ 9.369911] Call Trace:
> [ 9.372399] Instruction dump:
> [ 9.375424] 4185ffe4 7d400124 4c00012c 4e800020 7c001a64 7c0004ac
> 4e800020 7c0004ac
> [ 9.383344] 38800400 7c8903a6 3c80c000 7c002264 <38841000> 4200fff8
> 7c0004ac 9421fff0
> [ 9.391445] Kernel panic - not syncing: kernel stack overflow
> [ 9.397309] Rebooting in 180 seconds..
>
>
> On Sat, Dec 20, 2008 at 11:37 PM, Paul Mackerras <paulus at samba.org> wrote:
> > Anton Vorontsov (3):
> > of: Minor simplification for the of_parse_phandles_with_args()
> > of: of_parse_phandles_with_args() learns to differentiate 'hole' cells
> > of/gpio: Implement of_gpio_count()
> >
> > Benjamin Herrenschmidt (10):
> > powerpc/4xx: Extended DCR support v2
> > powerpc/mm: Split mmu_context handling
> > powerpc/mm: Rework context management for CPUs with no hash table
> > powerpc/mm: Introduce MMU features
> > powerpc/mm: Add SMP support to no-hash TLB handling
> > powerpc/mm: Split low level tlb invalidate for nohash processors
> > powerpc/44x: No need to mask MSR:CE, ME or DE in _tlbil_va on 440
> > powerpc/mm: Runtime allocation of mmu context maps for nohash CPUs
> > powerpc/mm: Rework usage of _PAGE_COHERENT/NO_CACHE/GUARDED
> > powerpc/44x: 44x TLB doesn't need "Guarded" set for all pages
> >
> > Brian King (2):
> > powerpc: Disable Collaborative Memory Manager for kdump
> > powerpc: Add reboot notifier to Collaborative Memory Manager
> >
> > David Howells (1):
> > powerpc: Rename struct vm_region to avoid conflict with NOMMU
> >
> > Grant Erickson (1):
> > powerpc: Const-qualify Device Node Argument to DCR Resource Extent API
> >
> > Hendrik Brueckner (1):
> > hvc_console: Escape magic sysrq key
> >
> > Nathan Lynch (3):
> > powerpc: Add of_find_next_cache_node()
> > powerpc: Convert cpu_to_l2cache() to of_find_next_cache_node()
> > powerpc: Convert sysfs cache code to of_find_next_cache_node()
> >
> > Scott Wood (1):
> > powerpc/bootwrapper: Use the child-bus #address-cells to decide which range entry to use
> >
> > Stephen Rothwell (1):
> > powerpc/iseries: viodasd needs to depend on CONFIG_BLOCK
> >
> > Tony Breeds (2):
> > powerpc: Protect against NULL pointer deref in phyp-dump code
> > powerpc: Pass a valid token to rtas_call() in phyp-dump code
> >
> > _______________________________________________
> > Linuxppc-dev mailing list
> > Linuxppc-dev at ozlabs.org
> > https://ozlabs.org/mailman/listinfo/linuxppc-dev
> >
>
>
>
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