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SubjectRe: 2.6.0-test7-mm1
Mr. Morton,

--- Andrew Morton <> wrote:
> Bradley Chapman <> wrote:
> >
> > After compiling 2.6.0-test7-mm1, I get the following error after installing the
> > modules:
> >
> > if [ -r ]; then /sbin/depmod -ae -F 2.6.0-test7-mm1; fi
> > WARNING: /lib/modules/2.6.0-test7-mm1/kernel/fs/ext2/ext2.ko needs unknown
> symbol
> > __blockdev_direct_IO
> Thanks.


You're welcome. Unfortunately I got this non-fatal Oops when I first booted:

ohci1394: $Rev: 1045 $ Ben Collins <>
ohci1394_0: OHCI-1394 1.1 (PCI): IRQ=[10] MMIO=[e8207000-e82077ff] Max
Debug: sleeping function called from invalid context at mm/slab.c:1869
in_atomic():1, irqs_disabled():0
Call Trace:
[<c0123fc6>] __might_sleep+0xa0/0xc2
[<c0156bc4>] __kmalloc+0x204/0x216
[<e08a9ed4>] hpsb_create_hostinfo+0x6b/0xe8 [ieee1394]
[<e08af0e6>] nodemgr_add_host+0x23/0x1d2 [ieee1394]
[<c0216bd4>] sprintf+0x1f/0x23
[<e08aa789>] highlevel_add_host+0x6b/0x6f [ieee1394]
[<e08a9cce>] hpsb_add_host+0x6d/0x95 [ieee1394]
[<e08c0ba2>] ohci1394_pci_probe+0x512/0x620 [ohci1394]
[<e08bdb41>] ohci_irq_handler+0x0/0x1129 [ohci1394]
[<c021cf6a>] pci_device_probe_static+0x52/0x63
[<c021cfb6>] __pci_device_probe+0x3b/0x4e
[<c021cff5>] pci_device_probe+0x2c/0x4a
[<c027ffaa>] bus_match+0x3f/0x6a
[<c02800bc>] driver_attach+0x56/0x80
[<c028038e>] bus_add_driver+0x9f/0xb1
[<c02807f2>] driver_register+0x8c/0x90
[<c021d1e1>] pci_register_driver+0x8c/0xab
[<e0886013>] ohci1394_init+0x13/0x3d [ohci1394]
[<c01482f9>] sys_init_module+0x213/0x3e6
[<c0176191>] sys_read+0x42/0x63
[<c03add36>] sysenter_past_esp+0x43/0x65

ieee1394: Host added: ID:BUS[0-00:1023] GUID[00e0b8060000db10]

I don't see any patches in your ChangeLog which could have caused this, since
it didn't happen under 2.6.0-test7 or 2.6.0-test6-mm4. Just from looking at the
stack trace, it looks like bugs in my IEEE1394 chipset. Here's what lspci -vv
has to say:

02:05.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21 IEEE-1394a-2000 Controller
(PHY/Link) (prog-if 10 [OHCI])
Subsystem: Gateway 2000: Unknown device 0600
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 64 (500ns min, 1000ns max), cache line size 08
Interrupt: pin A routed to IRQ 10
Region 0: Memory at e8207000 (32-bit, non-prefetchable) [size=2K]
Region 1: Memory at e8200000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
Status: D0 PME-Enable- DSel=0 DScale=0 PME+

And the interesting part of my .config:



Brad Chapman

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