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SubjectBio device too big | kernel BUG at mm/filemap.c:537!
Date
I booted up the new kernel version, 2.6.20; I pretty much copied over my
.config that worked in 2.6.19.2, that has worked correctly since that
version came out... I looked through the menuconfig to see if any new
options had been added, but I'm pretty sure I didn't change anything,
and got this error message shortly after booting:

bio too big device hdg1 (184 > 128)
------------[ cut here ]------------
kernel BUG at mm/filemap.c:537!
invalid opcode: 0000 [#1]
Modules linked in: iptable_filter ip_tables x_tables snd_seq_dummy
snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss
snd_mixer_oss nvidia_agp agpgart
CPU: 0
EIP: 0060:[<c012dc66>] Not tainted VLI
EFLAGS: 00010246 (2.6.20 #1)
EIP is at unlock_page+0xd/0x22
eax: 00000000 ebx: c1714a20 ecx: 00000000 edx: c1714a20
esi: c199c45c edi: 00000001 ebp: 1422bf48 esp: f7c8df18
ds: 007b es: 007b ss: 0068
Process md0_raid5 (pid: 901, ti=f7c8c000 task=f7c50050 task.ti=f7c8c000)
Stack: c1997920 c016363c c1bca460 c1997920 c1bca460 c0315af2 f7c8df4c
f7c8df50
c1bca460 00000000 00000000 1422bf48 0a115f48 00000002 00000000
c1bca460
00000002 f7faf600 fffffffc c0315b92 f7ee6c20 7fffffff f7c8df8c
c031f877
Call Trace:
[<c016363c>] mpage_end_io_read+0x4c/0x5e
[<c0315af2>] retry_aligned_read+0x108/0x13a
[<c0315b92>] raid5d+0x6e/0xcc
[<c031f877>] md_thread+0xdc/0xf2
[<c0122465>] autoremove_wake_function+0x0/0x33
[<c0110a90>] __wake_up_common+0x35/0x4f
[<c0122465>] autoremove_wake_function+0x0/0x33
[<c031f79b>] md_thread+0x0/0xf2
[<c01221b8>] kthread+0x72/0x97
[<c0122146>] kthread+0x0/0x97
[<c0103a7b>] kernel_thread_helper+0x7/0x10
=======================
Code: 73 ff ff ff b9 a4 d6 12 c0 89 fa c7 04 24 02 00 00 00 e8 87 77 27
00 83 c4 44 5b 5e 5f c3 53 89 c3 0f ba 30 00 19 c0 85 c0 75 04 <0f> 0b
eb fe 89 d8 e8 41 ff ff ff 89$
EIP: [<c012dc66>] unlock_page+0xd/0x22 SS:ESP 0068:f7c8df18

The devices it seems to be complaining about are /dev/hdg and /dev/hde,
which are physically attached to the PCI0680 Ultra ATA-133 Host
Controller listed in lspci.txt.
Both drives are 160 GB Western Digital HDDs... don't remember the
precise model, but I can find out if necessary.

Attached are the output of lspci and my .config; if anyone needs further
info, let me know.
Please CC replies, not subscribed.

Cheers,

-Kai
[unhandled content-type:application/octet-stream]00:00.0 Host bridge: nVidia Corporation nForce2 AGP (different version?) (rev c1)
Subsystem: ASUSTeK Computer Inc. Unknown device 80ac
Flags: bus master, 66MHz, fast devsel, latency 0
Memory at e0000000 (32-bit, prefetchable) [size=128M]
Capabilities: [40] AGP version 3.0
Capabilities: [60] HyperTransport: Host or Secondary Interface

00:00.1 RAM memory: nVidia Corporation nForce2 Memory Controller 1 (rev c1)
Subsystem: ASUSTeK Computer Inc. Unknown device 80ac
Flags: 66MHz, fast devsel

00:00.2 RAM memory: nVidia Corporation nForce2 Memory Controller 4 (rev c1)
Subsystem: ASUSTeK Computer Inc. Unknown device 80ac
Flags: 66MHz, fast devsel

00:00.3 RAM memory: nVidia Corporation nForce2 Memory Controller 3 (rev c1)
Subsystem: ASUSTeK Computer Inc. Unknown device 80ac
Flags: 66MHz, fast devsel

00:00.4 RAM memory: nVidia Corporation nForce2 Memory Controller 2 (rev c1)
Subsystem: ASUSTeK Computer Inc. Unknown device 80ac
Flags: 66MHz, fast devsel

00:00.5 RAM memory: nVidia Corporation nForce2 Memory Controller 5 (rev c1)
Subsystem: ASUSTeK Computer Inc. Unknown device 80ac
Flags: 66MHz, fast devsel

00:01.0 ISA bridge: nVidia Corporation nForce2 ISA Bridge (rev a4)
Subsystem: ASUSTeK Computer Inc. A7N8X Mainboard
Flags: bus master, 66MHz, fast devsel, latency 0
Capabilities: [48] HyperTransport: Slave or Primary Interface

00:01.1 SMBus: nVidia Corporation nForce2 SMBus (MCP) (rev a2)
Subsystem: ASUSTeK Computer Inc. Unknown device 0c11
Flags: 66MHz, fast devsel, IRQ 5
I/O ports at c800 [size=32]
Capabilities: [44] Power Management version 2

00:02.0 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) (prog-if 10 [OHCI])
Subsystem: ASUSTeK Computer Inc. A7N8X Mainboard
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 19
Memory at ea081000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2

00:02.1 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) (prog-if 10 [OHCI])
Subsystem: ASUSTeK Computer Inc. A7N8X Mainboard
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 16
Memory at ea083000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2

00:02.2 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) (prog-if 20 [EHCI])
Subsystem: ASUSTeK Computer Inc. A7N8X Mainboard
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 18
Memory at ea084000 (32-bit, non-prefetchable) [size=256]
Capabilities: [44] Debug port
Capabilities: [80] Power Management version 2

00:04.0 Ethernet controller: nVidia Corporation nForce2 Ethernet Controller (rev a1)
Subsystem: ASUSTeK Computer Inc. A7N8X Mainboard onboard nForce2 Ethernet
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 16
Memory at ea080000 (32-bit, non-prefetchable) [size=4K]
I/O ports at cc00 [size=8]
Capabilities: [44] Power Management version 2

00:05.0 Multimedia audio controller: nVidia Corporation nForce Audio Processing Unit (rev a2)
Subsystem: ASUSTeK Computer Inc. Unknown device 0c11
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 12
Memory at ea000000 (32-bit, non-prefetchable) [size=512K]
Capabilities: [44] Power Management version 2

00:06.0 Multimedia audio controller: nVidia Corporation nForce2 AC97 Audio Controler (MCP) (rev a1)
Subsystem: ASUSTeK Computer Inc. nForce2 AC97 Audio Controler (MCP)
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 18
I/O ports at c000 [size=256]
I/O ports at c400 [size=128]
Memory at ea082000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2

00:08.0 PCI bridge: nVidia Corporation nForce2 External PCI Bridge (rev a3) (prog-if 00 [Normal decode])
Flags: bus master, 66MHz, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=32
I/O behind bridge: 00009000-0000afff
Memory behind bridge: e8000000-e9ffffff
Prefetchable memory behind bridge: 50000000-500fffff

00:09.0 IDE interface: nVidia Corporation nForce2 IDE (rev a2) (prog-if 8a [Master SecP PriP])
Subsystem: ASUSTeK Computer Inc. Unknown device 0c11
Flags: bus master, 66MHz, fast devsel, latency 0
I/O ports at f000 [size=16]
Capabilities: [44] Power Management version 2

00:1e.0 PCI bridge: nVidia Corporation nForce2 AGP (rev c1) (prog-if 00 [Normal decode])
Flags: bus master, 66MHz, medium devsel, latency 32
Bus: primary=00, secondary=02, subordinate=02, sec-latency=32
I/O behind bridge: 0000b000-0000bfff
Memory behind bridge: c0000000-dfffffff
Prefetchable memory behind bridge: 50100000-501fffff

01:0a.0 Mass storage controller: Silicon Image, Inc. PCI0680 Ultra ATA-133 Host Controller (rev 02)
Subsystem: Silicon Image, Inc. PCI0680 Ultra ATA-133 Host Controller
Flags: bus master, medium devsel, latency 32, IRQ 17
I/O ports at 9000 [size=8]
I/O ports at 9400 [size=4]
I/O ports at 9800 [size=8]
I/O ports at 9c00 [size=4]
I/O ports at a000 [size=16]
Memory at e9000000 (32-bit, non-prefetchable) [size=256]
[virtual] Expansion ROM at 50000000 [disabled] [size=512K]
Capabilities: [60] Power Management version 2

02:00.0 VGA compatible controller: ATI Technologies Inc RV530 [Radeon X1600] (prog-if 00 [VGA])
Subsystem: PC Partner Limited Unknown device 0850
Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 5
Memory at c0000000 (64-bit, prefetchable) [size=256M]
Memory at d1000000 (64-bit, non-prefetchable) [size=64K]
I/O ports at b000 [size=256]
[virtual] Expansion ROM at 50100000 [disabled] [size=128K]
Capabilities: [50] Power Management version 2
Capabilities: [58] AGP version 3.0
Capabilities: [80] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-

02:00.1 Display controller: ATI Technologies Inc RV530 [Radeon X1600] (Secondary)
Subsystem: PC Partner Limited Unknown device 0851
Flags: 66MHz, medium devsel
Memory at d1010000 (64-bit, non-prefetchable) [disabled] [size=64K]
Capabilities: [50] Power Management version 2

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