Re: notifier chain problem? (was Re: 2.6.17-rc1 did break XFS)

From: Herbert Poetzl
Date: Thu Apr 13 2006 - 13:53:55 EST

On Thu, Apr 13, 2006 at 04:21:18PM +0200, Jan Engelhardt wrote:
> >>
> >> Looks strange, the faulting address is in the same region as the
> >> eip. I am not that strong on x86 layouts, so I am not sure whether
> >> 0x78xxxxxx is the kernel's mapping or it's module space. Almost looks
> >> like something else had registered a notifier and then gone away
> >> without unregistering it.
> >
> >sorry, the essential data I didn't provide here is
> >probably that I configured the 2G/2G split, which for
> >unknown reasons actually is a 2.125/1.875 split and
> >starts at 0x78000000 (instead of 0x80000000)
>
> That's how it is coded in arch/i386/Kconfig. It says 78 rather than 80.
> Maybe Con has an idea?

here is the same oops with 3/1 split and the bootup log

best,
Herbert


[42949372.960000] BIOS-provided physical RAM map:
[42949372.960000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
[42949372.960000] BIOS-e820: 0000000000100000 - 0000000010000000 (usable)
[42949372.960000] 256MB LOWMEM available.
[42949372.960000] DMI not present or invalid.
[42949372.960000] Allocating PCI resources starting at 20000000 (gap: 10000000:f0000000)
[42949372.960000] Built 1 zonelists
[42949372.960000] Kernel command line: rw root=/dev/hda1
[42949372.960000] Local APIC disabled by BIOS -- you can enable it with "lapic"
[42949372.960000] Enabling fast FPU save and restore... done.
[42949372.960000] Enabling unmasked SIMD FPU exception support... done.
[42949372.960000] Initializing CPU#0
[42949372.960000] CPU 0 irqstacks, hard=c0585000 soft=c057d000
[42949372.960000] PID hash table entries: 2048 (order: 11, 8192 bytes)
[ 0.000000] Detected 936.901 MHz processor.
[ 2.311028] Using tsc for high-res timesource
[ 2.313007] Console: colour dummy device 80x25
[ 2.325933] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 2.330349] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 2.629401] Memory: 253808k/262144k available (3025k kernel code, 7948k reserved, 1312k data, 216k init, 0k highmem)
[ 2.630294] Checking if this processor honours the WP bit even in supervisor mode... Ok.
[ 2.783776] Calibrating delay using timer specific routine.. 1892.22 BogoMIPS (lpj=9461109)
[ 2.787996] Security Framework v1.0.0 initialized
[ 2.789434] Capability LSM initialized
[ 2.791515] Mount-cache hash table entries: 512
[ 2.809314] CPU: L1 I cache: 8K
[ 2.809737] CPU: L2 cache: 128K
[ 2.811380] Checking 'hlt' instruction... OK.
[ 2.846019] SMP alternatives: switching to UP code
[ 2.849639] Freeing SMP alternatives: 16k freed
[ 2.855731] CPU0: Intel Pentium II (Klamath) stepping 03
[ 2.856731] SMP motherboard not detected.
[ 2.857175] Local APIC not detected. Using dummy APIC emulation.
[ 2.863283] Brought up 1 CPUs
[ 2.865224] migration_cost=0
[ 2.896344] NET: Registered protocol family 16
[ 2.901885] PCI: PCI BIOS revision 2.10 entry at 0xf9ce0, last bus=0
[ 2.916966] PCI: Probing PCI hardware
[ 2.930880] PCI: Using IRQ router PIIX/ICH [8086/7000] at 0000:00:01.0
[ 2.936121] Setting up standard PCI resources
[ 2.945954] PCI: Ignore bogus resource 6 [0:0] of 0000:00:02.0
[ 2.977965] VFS: Disk quotas dquot_6.5.1
[ 2.979416] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 2.988151] Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx).
[ 2.996052] JFS: nTxBlock = 1983, nTxLock = 15864
[ 3.031832] SGI XFS with no debug enabled
[ 3.040916] SGI XFS Quota Management subsystem
[ 3.042382] Initializing Cryptographic API
[ 3.043276] io scheduler noop registered
[ 3.044655] io scheduler anticipatory registered
[ 3.045690] io scheduler deadline registered
[ 3.047093] io scheduler cfq registered (default)
[ 3.047950] PCI: PIIX3: Enabling Passive Release on 0000:00:01.0
[ 3.048668] Limiting direct PCI/PCI transfers.
[ 3.049154] Activating ISA DMA hang workarounds.
[ 3.088622] Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing disabled
[ 3.091746] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16450
[ 3.115241] FDC 0 is a S82078B
[ 3.117966] ne2k-pci.c:v1.03 9/22/2003 D. Becker/P. Gortmaker
[ 3.118048] http://www.scyld.com/network/ne2k-pci.html
[ 3.119679] PCI: Found IRQ 11 for device 0000:00:03.0
[ 3.127097] eth0: RealTek RTL-8029 found at 0xc100, IRQ 11, 52:54:00:12:34:56.
[ 3.135008] tun: Universal TUN/TAP device driver, 1.6
[ 3.135605] tun: (C) 1999-2004 Max Krasnyansky <maxk@xxxxxxxxxxxx>
[ 3.136714] Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
[ 3.137446] ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
[ 3.583356] hda: QEMU HARDDISK, ATA DISK drive
[ 3.584654] hda: IRQ probe failed (0xfffffffa)
[ 4.202753] hdb: IRQ probe failed (0xfffffffa)
[ 4.522363] hdb: IRQ probe failed (0xfffffffa)
[ 5.021521] hdc: QEMU HARDDISK, ATA DISK drive
[ 5.022536] hdc: IRQ probe failed (0xfffffffa)
[ 5.641217] hdd: IRQ probe failed (0xfffffffa)
[ 5.961917] hdd: IRQ probe failed (0xfffffffa)
[ 6.021888] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
[ 6.024569] ide1 at 0x170-0x177,0x376 on irq 15
[ 6.030061] hda: max request size: 128KiB
[ 6.031459] hda: 65537 sectors (33 MB) w/256KiB Cache, CHS=65/16/63
[ 6.036961] hda: hda1
[ 6.057314] hdc: max request size: 128KiB
[ 6.057862] hdc: 524289 sectors (268 MB) w/256KiB Cache, CHS=520/16/63
[ 6.061617] hdc: hdc1
[ 6.072677] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 6.073751] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 6.084567] input: AT Translated Set 2 keyboard as /class/input/input0
[ 6.089494] Netfilter messages via NETLINK v0.30.
[ 6.092791] NET: Registered protocol family 2
[ 6.183378] IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 6.191725] TCP established hash table entries: 8192 (order: 5, 163840 bytes)
[ 6.195386] TCP bind hash table entries: 4096 (order: 4, 81920 bytes)
[ 6.197587] TCP: Hash tables configured (established 8192 bind 4096)
[ 6.198427] TCP reno registered
[ 6.201833] ip_conntrack version 2.4 (2048 buckets, 16384 max) - 172 bytes per conntrack
[ 6.294236] input: ImExPS/2 Generic Explorer Mouse as /class/input/input1
[ 6.441466] TCP bic registered
[ 6.442618] NET: Registered protocol family 1
[ 6.443427] NET: Registered protocol family 17
[ 6.447208] 802.1Q VLAN Support v1.8 Ben Greear <greearb@xxxxxxxxxxxxxxx>
[ 6.448011] All bugs added by David S. Miller <davem@xxxxxxxxxx>
[ 6.449111] Using IPI Shortcut mode
[ 6.450683] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
[ 6.503170] VFS: Mounted root (ext2 filesystem).
[ 6.550982] Freeing unused kernel memory: 216k freed
Linux (none) 2.6.17-rc1 #2 SMP Thu Apr 13 19:18:48 CEST 2006 i686 unknown


xid related tests ...
[ 66.670041] BUG: unable to handle kernel paging request at virtual address c056c380
[ 66.671683] printing eip:
[ 66.672036] c0129430
[ 66.672346] *pde = 005bf027
[ 66.672697] *pte = 0056c000
[ 66.673179] Oops: 0000 [#1]
[ 66.673496] SMP DEBUG_PAGEALLOC
[ 66.674011] Modules linked in:
[ 66.674591] CPU: 0
[ 66.674624] EIP: 0060:[<c0129430>] Not tainted VLI
[ 66.674664] EFLAGS: 00000286 (2.6.17-rc1 #2)
[ 66.676211] EIP is at notifier_chain_register+0x20/0x50
[ 66.676802] eax: c056c378 ebx: cf95f3f8 ecx: 00000000 edx: c04bf9bc
[ 66.677609] esi: cf95f3f8 edi: cf8eac00 ebp: cf95f800 esp: cf8ced5c
[ 66.678304] ds: 007b es: 007b ss: 0068
[ 66.678801] Process mount (pid: 50, threadinfo=cf8ce000 task=cff7e570)
[ 66.679442] Stack: <0>c04bf9a0 c01295f4 c04bf9bc cf95f3f8 cf95f000 cf95f000 c0136997 c04bf9a0
[ 66.680764] cf95f3f8 c02d43e6 cf95f3f8 00000404 cf95f000 cfd1e6a0 cf8eac00 c02d1813
[ 66.681929] cf95f000 00000001 c02e5eaf 00000424 00000001 cf8eac00 cfd1e6a0 c02f2150
[ 66.683090] Call Trace:
[ 66.683520] <c01295f4> blocking_notifier_chain_register+0x54/0x90 <c0136997> register_cpu_notifier+0x17/0x20
[ 66.684911] <c02d43e6> xfs_icsb_init_counters+0x46/0xb0 <c02d1813> xfs_mount_init+0x23/0x160
[ 66.686079] <c02e5eaf> kmem_zalloc+0x1f/0x50 <c02f2150> bhv_insert_all_vfsops+0x10/0x50
[ 66.687255] <c02f1835> xfs_fs_fill_super+0x35/0x1f0 <c0313607> snprintf+0x27/0x30
[ 66.688319] <c01a2134> disk_name+0x64/0xc0 <c0168fbf> sb_set_blocksize+0x1f/0x50
[ 66.689388] <c0168909> get_sb_bdev+0x109/0x160 <c01034f2> common_interrupt+0x1a/0x20
[ 66.690483] <c02f1a20> xfs_fs_get_sb+0x30/0x40 <c02f1800> xfs_fs_fill_super+0x0/0x1f0
[ 66.691552] <c0168bb0> do_kern_mount+0xa0/0x160 <c0181467> do_new_mount+0x77/0xc0
[ 66.692617] <c0181b2f> do_mount+0x1bf/0x220 <c03f4178> iret_exc+0x3d4/0x6ab
[ 66.693636] <c0181913> copy_mount_options+0x63/0xc0 <c03f398f> lock_kernel+0x2f/0x50
[ 66.694701] <c0181f2f> sys_mount+0x9f/0xe0 <c0102b27> syscall_call+0x7/0xb
[ 66.695739] Code: 90 90 90 90 90 90 90 90 90 90 90 53 8b 54 24 08 8b 5c 24 0c 8b 02 85 c0 74 31 8b 4b 08 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 <3b> 48 08 7f 1b 8d 50 04 8b 40 04 85 c0 75 f1 31 c0 eb 0d 90 90
[ 66.700163] <3>BUG: sleeping function called from invalid context at include/linux/rwsem.h:43
[ 66.701263] in_atomic():0, irqs_disabled():1
[ 66.701764] <c01189f4> __might_sleep+0xa4/0xb0 <c011de7a> exit_mm+0x3a/0x170
[ 66.702792] <c011e74c> do_exit+0xfc/0x420 <c011c217> printk+0x17/0x20
[ 66.703722] <c0103ef7> die+0x1e7/0x1f0 <c0112b34> do_page_fault+0x334/0x690
[ 66.704792] <c015c407> cache_grow+0x157/0x1a0 <c0112800> do_page_fault+0x0/0x690
[ 66.705897] <c0103627> error_code+0x4f/0x54 <c0129430> notifier_chain_register+0x20/0x50
[ 66.707153] <c01295f4> blocking_notifier_chain_register+0x54/0x90 <c0136997> register_cpu_notifier+0x17/0x20
[ 66.708536] <c02d43e6> xfs_icsb_init_counters+0x46/0xb0 <c02d1813> xfs_mount_init+0x23/0x160
[ 66.709778] <c02e5eaf> kmem_zalloc+0x1f/0x50 <c02f2150> bhv_insert_all_vfsops+0x10/0x50
[ 66.710964] <c02f1835> xfs_fs_fill_super+0x35/0x1f0 <c0313607> snprintf+0x27/0x30
[ 66.712097] <c01a2134> disk_name+0x64/0xc0 <c0168fbf> sb_set_blocksize+0x1f/0x50
[ 66.713219] <c0168909> get_sb_bdev+0x109/0x160 <c01034f2> common_interrupt+0x1a/0x20
[ 66.714372] <c02f1a20> xfs_fs_get_sb+0x30/0x40 <c02f1800> xfs_fs_fill_super+0x0/0x1f0
[ 66.715522] <c0168bb0> do_kern_mount+0xa0/0x160 <c0181467> do_new_mount+0x77/0xc0
[ 66.716658] <c0181b2f> do_mount+0x1bf/0x220 <c03f4178> iret_exc+0x3d4/0x6ab
[ 66.717790] <c0181913> copy_mount_options+0x63/0xc0 <c03f398f> lock_kernel+0x2f/0x50
[ 66.718945] <c0181f2f> sys_mount+0x9f/0xe0 <c0102b27> syscall_call+0x7/0xb

> Jan Engelhardt
> --
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