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Date: Tue, 1 Sep 2009 10:05:02 +0300 (EEST)
From: Meelis Roos <mroos@...ux.ee>
To: David Miller <davem@...emloft.net>
cc: sparclinux@...r.kernel.org,
Linux Kernel list <linux-kernel@...r.kernel.org>,
tj@...nel.org
Subject: Re: boot panic after oops from sysfs_new_dirent
> > I powered on my 6-CPU E3000 after a summer pause and tried todays
> > 2.6.31-rc8+git on it. It fails - first it spills lots of warnings about
> > percpu things, then oopses in sysfs_new_dirent and then panics.
Bisecting shows that there may be different crashes, like in
56513ed50cc8a5c184a3f347e81d74c850cc14fa below:
3,0>ERROR: TEST=NVRAM Devices,SUBTEST=M48T59 (TOD) Init ID=8.1
3,0>Component under test: Board 16 Firehose Bus
3,0>TODC battery is low bit set
Detected failed TOD on clock board. Using backup TOD on board in slot 1
fhc ac simm-status environment sram flashprom SUNW,UltraSPARC-II SUNW,UltraSPARC-II
fhc ac simm-status environment sram flashprom SUNW,UltraSPARC-II SUNW,UltraSPARC-II
fhc ac simm-status environment sram flashprom SUNW,UltraSPARC-II SUNW,UltraSPARC-II
Probing UPA Slot at 2,0 sbus fhc ac environment flashprom eeprom sbus-speed counter-timer
Probing UPA Slot at 3,0 sbus counter-timer
Probing /sbus@2,0 at d,0 SUNW,soc
Probing /sbus@2,0 at 1,0 SUNW,socal sf ssd sf ssd
Probing /sbus@2,0 at 2,0 QLGC,isp sd st
Probing /sbus@3,0 at 3,0 SUNW,hme SUNW,fas sd st
Probing /sbus@3,0 at 0,0 SUNW,qfe SUNW,qfe SUNW,qfe SUNW,qfe
4-slot Sun Enterprise 3000, No Keyboard
OpenBoot 3.2.29, 3584 MB memory installed, Serial #8631214.
Copyright 2001 Sun Microsystems, Inc. All rights reserved
Ethernet address 8:0:20:83:b3:ae, Host ID: 8083b3ae.
Boot device: disk File and args:
SILO Version 1.4.13
boot:
Linux LinuxOLD test
hea
boot: test console=ttyS0
Allocated 8 Megs of memory at 0x40000000 for kernel
Uncompressing image...
Loaded kernel version 2.6.30
[ 0.000000] PROMLIB: Sun IEEE Boot Prom 'OBP 3.2.29 2001/06/18 17:28'
[ 0.000000] PROMLIB: Root node compatible:
[ 0.000000] Linux version 2.6.30 (mroos@...del) (gcc version 4.3.4 (Debian 4.3.4-2) ) #12 SMP Mon Aug 31 18:04:20 EEST 2009
[ 0.000000] debug: ignoring loglevel setting.
[ 0.000000] console [earlyprom0] enabled
[ 0.000000] ARCH: SUN4U
[ 0.000000] Ethernet address: 08:00:20:83:b3:ae
[ 0.000000] Kernel: Using 4 locked TLB entries for main kernel image.
[ 0.000000] Remapping the kernel... done.
[ 0.000000] OF stdout device is: /central@1f,0/fhc@0,f8800000/zs@0,902000:a
[ 0.000000] PROM: Built device tree with 70462 bytes of memory.
[ 0.000000] Top of RAM: 0xdfd14000, Total RAM: 0xdf960000
[ 0.000000] Memory hole size: 3MB
[ 0.000000] [0000000200000000-fffff80001400000] page_structs=131072 node=0 entry=0/0
[ 0.000000] [0000000200000000-fffff80001800000] page_structs=131072 node=0 entry=1/0
[ 0.000000] [0000000200000000-fffff80001c00000] page_structs=131072 node=0 entry=2/0
[ 0.000000] [0000000200c00000-fffff80002000000] page_structs=131072 node=0 entry=3/0
[ 0.000000] [0000000200c00000-fffff80002400000] page_structs=131072 node=0 entry=4/0
[ 0.000000] [0000000200c00000-fffff80002800000] page_structs=131072 node=0 entry=5/0
[ 0.000000] [0000000201800000-fffff80002c00000] page_structs=131072 node=0 entry=6/0
[ 0.000000] [0000000201800000-fffff80003000000] page_structs=131072 node=0 entry=7/0
[ 0.000000] [0000000201800000-fffff80003400000] page_structs=131072 node=0 entry=8/0
[ 0.000000] [0000000202400000-fffff80003800000] page_structs=131072 node=0 entry=9/0
[ 0.000000] [0000000202400000-fffff80003c00000] page_structs=131072 node=0 entry=10/0
[ 0.000000] [0000000202400000-fffff80004000000] page_structs=131072 node=0 entry=11/0
[ 0.000000] Zone PFN ranges:
[ 0.000000] Normal 0x00000000 -> 0x0006fe8a
[ 0.000000] Movable zone start PFN for each node
[ 0.000000] early_node_map[3] active PFN ranges
[ 0.000000] 0: 0x00000000 -> 0x0006fc27
[ 0.000000] 0: 0x0006fe00 -> 0x0006fe7f
[ 0.000000] 0: 0x0006fe80 -> 0x0006fe8a
[ 0.000000] On node 0 totalpages: 457904
[ 0.000000] Normal zone: 5372 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 452532 pages, LIFO batch:15
[ 0.000000] Booting Linux...
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 452532
[ 0.000000] Kernel command line: root=/dev/sda2 ro debug ignore_loglevel console=ttyS0
[ 0.000000] PID hash table entries: 4096 (order: 12, 32768 bytes)
[ 0.000000] Dentry cache hash table entries: 524288 (order: 9, 4194304 bytes)
[ 0.000000] Inode-cache hash table entries: 262144 (order: 8, 2097152 bytes)
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] WARNING: at kernel/lockdep.c:2282 lockdep_trace_alloc+0xb8/0x100()
[ 0.000000] Modules linked in:
[ 0.000000] Call Trace:
[ 0.000000] [000000000045ec50] warn_slowpath_common+0x50/0xa0
[ 0.000000] [000000000045ecbc] warn_slowpath_null+0x1c/0x40
[ 0.000000] [0000000000488cb8] lockdep_trace_alloc+0xb8/0x100
[ 0.000000] [00000000004a7334] __alloc_pages_internal+0x34/0x4a0
[ 0.000000] [00000000008438bc] mem_init+0x244/0x32c
[ 0.000000] [000000000083e7b4] start_kernel+0x18c/0x334
[ 0.000000] [00000000006c2204] tlb_fixup_done+0xa0/0xbc
[ 0.000000] [0000000000000000] (null)
[ 0.000000] ---[ end trace 139ce121c98e96c9 ]---
[ 0.000000] Memory: 3593504k available (2888k kernel code, 1392k data, 152k init) [fffff80000000000,00000000dfd14000]
[ 0.000000] SLUB: Genslabs=14, HWalign=32, Order=0-3, MinObjects=0, CPUs=16, Nodes=1
[ 0.000000] RCU-based detection of stalled CPUs is enabled.
[ 0.000000] NR_IRQS:255
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] WARNING: at mm/bootmem.c:535 alloc_arch_preferred_bootmem+0x48/0x5c()
[ 0.000000] Modules linked in:
[ 0.000000] Call Trace:
[ 0.000000] [000000000045ec50] warn_slowpath_common+0x50/0xa0
[ 0.000000] [000000000045ecbc] warn_slowpath_null+0x1c/0x40
[ 0.000000] [0000000000846ff0] alloc_arch_preferred_bootmem+0x48/0x5c
[ 0.000000] [000000000084781c] ___alloc_bootmem_nopanic+0x20/0xcc
[ 0.000000] [00000000008479ac] ___alloc_bootmem+0x10/0x44
[ 0.000000] [0000000000847b70] __alloc_bootmem+0x10/0x20
[ 0.000000] [000000000083f5bc] init_IRQ+0xc0/0x2b0
[ 0.000000] [000000000083e7f0] start_kernel+0x1c8/0x334
[ 0.000000] [00000000006c2204] tlb_fixup_done+0xa0/0xbc
[ 0.000000] [0000000000000000] (null)
[ 0.000000] ---[ end trace 139ce121c98e96ca ]---
[ 0.000000] clocksource: mult[40842] shift[16]
[ 0.000000] clockevent: mult[3f7ced91] shift[32]
[ 125.625114] Console: colour dummy device 80x25
[ 125.678129] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 125.770812] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 125.819774] ... MAX_LOCK_DEPTH: 48
[ 125.869784] ... MAX_LOCKDEP_KEYS: 8191
[ 125.921874] ... CLASSHASH_SIZE: 4096
[ 125.973966] ... MAX_LOCKDEP_ENTRIES: 16384
[ 126.027100] ... MAX_LOCKDEP_CHAINS: 32768
[ 126.080233] ... CHAINHASH_SIZE: 16384
[ 126.133367] memory used by lock dependency info: 5695 kB
[ 126.197958] per task-struct memory footprint: 1920 bytes
[ 126.412806] Calibrating delay using timer specific routine.. 498.27 BogoMIPS (lpj=2491393)
[ 126.511769] ------------[ cut here ]------------
[ 126.566062] WARNING: at mm/vmalloc.c:106 vmap_page_range_noflush+0x228/0x280()
[ 126.652505] Modules linked in:
[ 126.688929] Call Trace:
[ 126.718168] [000000000045ec50] warn_slowpath_common+0x50/0xa0
[ 126.787961] [000000000045ecbc] warn_slowpath_null+0x1c/0x40
[ 126.855677] [00000000004c3a08] vmap_page_range_noflush+0x228/0x280
[ 126.930690] [00000000004c401c] map_kernel_range_noflush+0x1c/0x40
[ 127.004660] [00000000004d3fbc] pcpu_map+0xbc/0x100
[ 127.062999] [00000000004d5064] pcpu_alloc+0x3e4/0x4e0
[ 127.124467] [00000000004d51b8] __alloc_percpu+0x18/0x40
[ 127.188020] [00000000005af40c] __percpu_counter_init+0x4c/0xc0
[ 127.258870] [000000000084b2d8] files_init+0x68/0x78
[ 127.318247] [000000000084b474] vfs_caches_init+0xa0/0x150
[ 127.383888] [000000000083e8f0] start_kernel+0x2c8/0x334
[ 127.447436] [00000000006c2204] tlb_fixup_done+0xa0/0xbc
[ 127.510971] [0000000000000000] (null)
[ 127.555772] ---[ end trace 139ce121c98e96cb ]---
[ 127.611597] Mount-cache hash table entries: 512
[ 127.665366] ------------[ cut here ]------------
[ 127.720400] WARNING: at mm/vmalloc.c:106 vmap_page_range_noflush+0x228/0x280()
[ 127.806845] Modules linked in:
[ 127.843271] Call Trace:
[ 127.872505] [000000000045ec50] warn_slowpath_common+0x50/0xa0
[ 127.942305] [000000000045ecbc] warn_slowpath_null+0x1c/0x40
[ 128.010019] [00000000004c3a08] vmap_page_range_noflush+0x228/0x280
[ 128.085033] [00000000004c401c] map_kernel_range_noflush+0x1c/0x40
[ 128.158998] [00000000004d3fbc] pcpu_map+0xbc/0x100
[ 128.217341] [00000000004d5064] pcpu_alloc+0x3e4/0x4e0
[ 128.278809] [00000000004d51b8] __alloc_percpu+0x18/0x40
[ 128.342360] [00000000005af40c] __percpu_counter_init+0x4c/0xc0
[ 128.413215] [00000000004b5170] bdi_init+0x50/0xc0
[ 128.470512] [000000000084c958] sysfs_inode_init+0x8/0x1c
[ 128.535098] [000000000084c99c] sysfs_init+0x30/0xac
[ 128.594483] [000000000084b9d4] mnt_init+0x90/0x1ec
[ 128.652827] [000000000084b47c] vfs_caches_init+0xa8/0x150
[ 128.718464] [000000000083e8f0] start_kernel+0x2c8/0x334
[ 128.782012] [00000000006c2204] tlb_fixup_done+0xa0/0xbc
[ 128.845550] [0000000000000000] (null)
[ 128.890346] ---[ end trace 139ce121c98e96cc ]---
[ 128.946007] Unable to handle kernel NULL pointer dereference
[ 129.013245] tsk->{mm,active_mm}->context = 0000000000000000
[ 129.079919] tsk->{mm,active_mm}->pgd = fffff80000867934
[ 129.142432] \|/ ____ \|/
[ 129.142447] "@'/ .. \`@"
[ 129.142461] /_| \__/ |_\
[ 129.142474] \__U_/
[ 129.318502] swapper(0): Oops [#1]
[ 129.358101] TSTATE: 0000000080e01600 TPC: 00000000004d46b4 TNPC: 00000000004d46b8 Y: 00000000 Tainted: G W
[ 129.485202] TPC: <free_percpu+0x74/0x180>
[ 129.533120] g0: 0000000000000008 g1: e000000004402036 g2: 0000000000000000 g3: fffff80000000000
[ 129.637301] g4: 00000000007d2458 g5: 0000000100fa0000 g6: 0000000000830000 g7: 0000000000200200
[ 129.741483] o0: 0000000000000000 o1: 00000000008339a0 o2: 0000000000830000 o3: 0000000000000000
[ 129.845666] o4: 0000000000000002 o5: 0000000000000000 sp: 0000000000833111 ret_pc: 00000000004d46ac
[ 129.954021] RPC: <free_percpu+0x6c/0x180>
[ 130.001942] l0: fffff800058181c0 l1: 0000000000000000 l2: 00000000007e2c00 l3: 0000000000784000
[ 130.106121] l4: 00000000008339a0 l5: 000000000087eaa0 l6: 0000000000000000 l7: 0000000000000000
[ 130.210306] i0: 0000000101802004 i1: 0000000000000000 i2: 000000000106b330 i3: 0000000000000000
[ 130.314489] i4: 0000000000000066 i5: 00000000007fdad0 i6: 00000000008331d1 i7: 00000000005af394
[ 130.418676] I7: <percpu_counter_destroy+0x54/0x80>
[ 130.475979] Caller[00000000005af394]: percpu_counter_destroy+0x54/0x80
[ 130.554119] Caller[00000000004b51bc]: bdi_init+0x9c/0xc0
[ 130.617671] Caller[000000000084c958]: sysfs_inode_init+0x8/0x1c
[ 130.688512] Caller[000000000084c99c]: sysfs_init+0x30/0xac
[ 130.754147] Caller[000000000084b9d4]: mnt_init+0x90/0x1ec
[ 130.818740] Caller[000000000084b47c]: vfs_caches_init+0xa8/0x150
[ 130.890629] Caller[000000000083e8f0]: start_kernel+0x2c8/0x334
[ 130.960430] Caller[00000000006c2204]: tlb_fixup_done+0xa0/0xbc
[ 131.030219] Caller[0000000000000000]: (null)
[ 131.081264] Instruction DUMP: 050041b0 7fffb605 90100018 <e05a2040> c25c2018 d0586008 92260008 90100010 7fffff4e
[ 131.210457] Kernel panic - not syncing: Attempted to kill the idle task!
[ 131.290670] Call Trace:
[ 131.319860] [00000000006d0818] panic+0x5c/0x1a0
[ 131.375075] [0000000000462eac] do_exit+0x62c/0x6a0
[ 131.433419] [0000000000427e54] die_if_kernel+0xf4/0x300
[ 131.496986] [0000000000447c0c] unhandled_fault+0x6c/0xc0
[ 131.561563] [0000000000447d40] do_sparc64_fault+0xe0/0x6a0
[ 131.628240] [0000000000407ac4] sparc64_realfault_common+0x10/0x20
[ 131.702207] [00000000004d46b4] free_percpu+0x74/0x180
[ 131.763673] [00000000005af394] percpu_counter_destroy+0x54/0x80
[ 131.835563] [00000000004b51bc] bdi_init+0x9c/0xc0
[ 131.892866] [000000000084c958] sysfs_inode_init+0x8/0x1c
[ 131.957456] [000000000084c99c] sysfs_init+0x30/0xac
[ 132.016837] [000000000084b9d4] mnt_init+0x90/0x1ec
[ 132.075182] [000000000084b47c] vfs_caches_init+0xa8/0x150
[ 132.140816] [000000000083e8f0] start_kernel+0x2c8/0x334
[ 132.204367] [00000000006c2204] tlb_fixup_done+0xa0/0xbc
[ 132.267905] [0000000000000000] (null)
[ 132.312705] Press Stop-A (L1-A) to return to the boot prom
--
Meelis Roos (mroos@...ux.ee)
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