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SubjectRe: 2.6.10-rc1-mm2
From
Date
> - More fiddling with the memory reclaim code.  We're making gradual progress
> here, so people who have had issues in the past with VM behaviour should
> keep an eye out for improvements or regressions.

Hi,

crashes with CONFIG_DEBUG_PAGEALLOC

Linux version 2.6.10-rc1-mm2 (alex@boxen) (gcc version 3.3.5 (Debian 1:3.3.5-1)) #4 Fri Oct 29 15:31:26 UTC 2004
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 0000000000f00000 (usable)
BIOS-e820: 0000000000f00000 - 0000000001000000 (reserved)
BIOS-e820: 0000000001000000 - 000000001fff0000 (usable)
BIOS-e820: 000000001fff0000 - 000000001fff3000 (ACPI NVS)
BIOS-e820: 000000001fff3000 - 0000000020000000 (ACPI data)
BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
511MB LOWMEM available.
DMI 2.3 present.
Built 1 zonelists
No local APIC present or hardware disabled
Initializing CPU#0
Kernel command line: BOOT_IMAGE=x86_kernel root=/dev/hda9 netconsole=4444@192.168.1.10/eth0,7000@192.168.1.1/ nmi_watchdog=1 profile=1 elevator=cfq
netconsole: local port 4444
netconsole: local IP 192.168.1.10
netconsole: interface eth0
netconsole: remote port 7000
netconsole: remote IP 192.168.1.1
netconsole: remote ethernet address ff:ff:ff:ff:ff:ff
kernel profiling enabled (shift: 1)
CPU 0 irqstacks, hard=c0349000 soft=c0348000
PID hash table entries: 2048 (order: 11, 32768 bytes)
Detected 1400.232 MHz processor.
Using tsc for high-res timesource
Console: colour VGA+ 80x25
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 477700k/524224k available (1479k kernel code, 44964k reserved, 457k data, 372k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 256K (64 bytes/line)
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: AMD Athlon(tm) processor stepping 04
Enabling fast FPU save and restore... done.
Checking 'hlt' instruction... OK.
NET: Registered protocol family 16
PCI: PCI BIOS revision 2.10 entry at 0xfb4e0, last bus=1
PCI: Using configuration type 1
mtrr: v2.0 (20020519)
SCSI subsystem initialized
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
Disabling VIA memory write queue (PCI ID 0305, rev 03): [55] 89 & 1f -> 09
PCI: Using IRQ router VIA [1106/0686] at 0000:00:07.0
Machine check exception polling timer started.
Applying VIA southbridge workaround.
PCI: Disabling Via external APIC routing
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing disabled
ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
io scheduler noop registered
io scheduler cfq registered
loop: loaded (max 8 devices)
PCI: Found IRQ 10 for device 0000:00:0b.0
PCI: Sharing IRQ 10 with 0000:00:07.2
PCI: Sharing IRQ 10 with 0000:00:07.3
PCI: Sharing IRQ 10 with 0000:00:0f.1
3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
0000:00:0b.0: 3Com PCI 3c905C Tornado at 0xe000. Vers LK1.1.19
e100: Intel(R) PRO/100 Network Driver, 3.2.3-k2-NAPI
e100: Copyright(c) 1999-2004 Intel Corporation
netconsole: device eth0 not up yet, forcing it
PCI: Found IRQ 10 for device 0000:00:0b.0
PCI: Sharing IRQ 10 with 0000:00:07.2
PCI: Sharing IRQ 10 with 0000:00:07.3
PCI: Sharing IRQ 10 with 0000:00:0f.1
netconsole: timeout waiting for carrier
netconsole: network logging started
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
VP_IDE: IDE controller at PCI slot 0000:00:07.1
VP_IDE: chipset revision 6
VP_IDE: not 100% native mode: will probe irqs later
VP_IDE: VIA vt82c686b (rev 40) IDE UDMA100 controller on pci0000:00:07.1
ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdc:pio, hdd:pio
hda: IC35L040AVER07-0, ATA DISK drive
hdb: SAMSUNG CD-ROM SC-152C, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 128KiB
hda: 80418240 sectors (41174 MB) w/1916KiB Cache, CHS=65535/16/63, UDMA(100)
hda: hda1 hda2 hda4 < hda5 hda6 hda7 hda8 hda9 >
PCI: Found IRQ 11 for device 0000:00:09.0
PCI: Sharing IRQ 11 with 0000:00:0f.2
scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
<Adaptec 2940 Pro Ultra SCSI adapter>
aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs

mice: PS/2 mouse device common for all mice
input: AT Translated Set 2 keyboard on isa0060/serio0
NET: Registered protocol family 2
IP: routing cache hash table of 4096 buckets, 32Kbytes
TCP: Hash tables configured (established 32768 bind 65536)
NET: Registered protocol family 1
NET: Registered protocol family 17
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing unused kernel memory: 372k freed
------------[ cut here ]------------
kernel BUG at arch/i386/mm/pageattr.c:136!
invalid operand: 0000 [#1]
PREEMPT DEBUG_PAGEALLOC
CPU: 0
EIP: 0060:[<c011263d>] Not tainted VLI
EFLAGS: 00010056 (2.6.10-rc1-mm2)
EIP is at __change_page_attr+0xcd/0x130
eax: 00000000 ebx: 1fdc9163 ecx: c30a8f40 edx: 003fa000
esi: c03fa724 edi: 00000163 ebp: dfc15c44 esp: dfc15c30
ds: 007b es: 007b ss: 0068
Process rcS (pid: 16, threadinfo=dfc15000 task=dfc14aa0)
Stack: c30a1000 dfdc9000 c349c920 00000000 00000000 dfc15c64 c01126f9 00000292
00000163 00000001 00000001 c349c920 00000000 dfc15c70 c01127d6 c02a9fc4
dfc15cb4 c013391a 00000001 00000000 00000000 00000000 00000001 00000000
Call Trace:
[<c0104c7a>] show_stack+0x7a/0x90
[<c0104df8>] show_registers+0x148/0x1b0
[<c0104ff0>] die+0xf0/0x180
[<c0105484>] do_invalid_op+0xe4/0xf0
[<c01048b1>] error_code+0x2d/0x38
[<c01126f9>] change_page_attr+0x59/0x70
[<c01127d6>] kernel_map_pages+0x16/0x80
[<c013391a>] __alloc_pages+0x22a/0x390
[<c012f5a8>] find_or_create_page+0x98/0xb0
[<c014d516>] grow_dev_page+0x26/0x120
[<c014d69a>] __getblk_slow+0x8a/0x120
[<c014da58>] __getblk+0x38/0x40
[<c018089b>] ext3_getblk+0x7b/0x230
[<c018431a>] ext3_find_entry+0x11a/0x3b0
[<c01847b6>] ext3_lookup+0x36/0xa0
[<c0157501>] real_lookup+0xb1/0xe0
[<c01577d3>] do_lookup+0x73/0x80
[<c0157ea7>] link_path_walk+0x6c7/0xd90
[<c015880e>] path_lookup+0x7e/0x140
[<c0158a1e>] __user_walk+0x2e/0x50
[<c0153d20>] vfs_stat+0x20/0x50
[<c0154356>] sys_stat64+0x16/0x30
[<c0103ea7>] syscall_call+0x7/0xb
Code: f0 8b 45 f0 81 c1 00 00 00 40 c1 e8 16 81 e1 00 00 c0 ff 8d 04 82 8b 15 48 84 2a c0 80 ca 80 09 d1 8b 55 f0 e8 c5 fe ff ff eb a8 <0f> 0b 88 00 bc e5 27 c0 eb 8e 8b 45 f0 89 fa e8 cf fd ff ff 89
<6>note: rcS[16] exited with preempt_count 1
------------[ cut here ]------------
kernel BUG at arch/i386/mm/pageattr.c:136!
invalid operand: 0000 [#2]
PREEMPT DEBUG_PAGEALLOC
CPU: 0
EIP: 0060:[<c011263d>] Not tainted VLI
EFLAGS: 00010056 (2.6.10-rc1-mm2)
EIP is at __change_page_attr+0xcd/0x130
eax: 00000000 ebx: 1fd6e163 ecx: c30a8f40 edx: 003fa000
esi: c03fa5b8 edi: 00000163 ebp: c3929e18 esp: c3929e04
ds: 007b es: 007b ss: 0068
Process rc (pid: 18, threadinfo=c3929000 task=dfeee590)
Stack: c30a1000 dfd6e000 c349bdc0 00000000 00000000 c3929e38 c01126f9 00000282
00000163 00000001 00000001 c349bdc0 00000000 c3929e44 c01127d6 c02a9fc4
c3929e88 c013391a 00000001 00000000 00000000 00000001 00000001 00000000
Call Trace:
[<c0104c7a>] show_stack+0x7a/0x90
[<c0104df8>] show_registers+0x148/0x1b0
[<c0104ff0>] die+0xf0/0x180
[<c0105484>] do_invalid_op+0xe4/0xf0
[<c01048b1>] error_code+0x2d/0x38
[<c01126f9>] change_page_attr+0x59/0x70
[<c01127d6>] kernel_map_pages+0x16/0x80
[<c013391a>] __alloc_pages+0x22a/0x390
[<c013de4e>] do_no_page+0x23e/0x2f0
[<c013e0c2>] handle_mm_fault+0xc2/0x160
[<c0111ca8>] do_page_fault+0x3c8/0x5f4
[<c01048b1>] error_code+0x2d/0x38
Code: f0 8b 45 f0 81 c1 00 00 00 40 c1 e8 16 81 e1 00 00 c0 ff 8d 04 82 8b 15 48 84 2a c0 80 ca 80 09 d1 8b 55 f0 e8 c5 fe ff ff eb a8 <0f> 0b 88 00 bc e5 27 c0 eb 8e 8b 45 f0 89 fa e8 cf fd ff ff 89
<6>note: rc[18] exited with preempt_count 1
------------[ cut here ]------------
kernel BUG at arch/i386/mm/pageattr.c:136!
invalid operand: 0000 [#3]
PREEMPT DEBUG_PAGEALLOC
CPU: 0
EIP: 0060:[<c011263d>] Not tainted VLI
EFLAGS: 00010056 (2.6.10-rc1-mm2)
EIP is at __change_page_attr+0xcd/0x130
eax: 00000000 ebx: 1fd73163 ecx: c30a8f40 edx: 003fa000
esi: c03fa5cc edi: 00000163 ebp: c3859e28 esp: c3859e14
ds: 007b es: 007b ss: 0068
Process init (pid: 1, threadinfo=c3859000 task=c385aa00)
Stack: c30a1000 dfd73000 c349be60 00000000 00000000 c3859e48 c01126f9 00000286
00000163 00000001 00000001 c349be60 00000000 c3859e54 c01127d6 c02a9fc4
c3859e98 c013391a 00000001 00000000 00000000 00000000 00000001 00000000
Call Trace:
[<c0104c7a>] show_stack+0x7a/0x90
[<c0104df8>] show_registers+0x148/0x1b0
[<c0104ff0>] die+0xf0/0x180
[<c0105484>] do_invalid_op+0xe4/0xf0
[<c01048b1>] error_code+0x2d/0x38
[<c01126f9>] change_page_attr+0x59/0x70
[<c01127d6>] kernel_map_pages+0x16/0x80
[<c013391a>] __alloc_pages+0x22a/0x390
[<c013d09b>] do_wp_page+0x7b/0x340
[<c013e130>] handle_mm_fault+0x130/0x160
[<c0111ca8>] do_page_fault+0x3c8/0x5f4
[<c01048b1>] error_code+0x2d/0x38
Code: f0 8b 45 f0 81 c1 00 00 00 40 c1 e8 16 81 e1 00 00 c0 ff 8d 04 82 8b 15 48 84 2a c0 80 ca 80 09 d1 8b 55 f0 e8 c5 fe ff ff eb a8 <0f> 0b 88 00 bc e5 27 c0 eb 8e 8b 45 f0 89 fa e8 cf fd ff ff 89
<0>Kernel panic - not syncing: Attempted to kill init!


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