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SubjectOops in i2o_block in 2.6.0 and 2.6.1 with Promise Supertrak 100
Hi I have been trying to use the i2o_block in order to use my Supertrak
100. In both 2.6.0 and 2.6.1 it oopses. However in 2.4.22 and preceeding
versions it works flawlessly. I am using 1.00 Build 13 flash version of
the controller, however I was previously using 1.00 Build 11 with the same
problem. I have attached the Oops and the kernel config. If anything
else is needed just let me know.

Cheers
Darrell Wright
Jan 9 22:50:03 agape kernel: I2O Core - (C) Copyright 1999 Red Hat Software
Jan 9 22:50:03 agape kernel: I2O: Event thread created as pid 4554
Jan 9 22:50:03 agape kernel: i2o: Checking for PCI I2O controllers...
Jan 9 22:50:03 agape kernel: PCI: Found IRQ 5 for device 0000:00:0c.1
Jan 9 22:50:03 agape kernel: i2o: I2O controller on bus 0 at 97.
Jan 9 22:50:03 agape kernel: i2o: PCI I2O controller at 0xD6400000 size=4194304
Jan 9 22:50:03 agape kernel: I2O: Promise workarounds activated.
Jan 9 22:50:03 agape kernel: I2O: MTRR workaround for Intel i960 processor
Jan 9 22:50:03 agape kernel: i2o/iop0: Installed at IRQ5
Jan 9 22:50:03 agape kernel: i2o: 1 I2O controller found and installed.
Jan 9 22:50:03 agape kernel: Activating I2O controllers...
Jan 9 22:50:03 agape kernel: This may take a few minutes if there are many devices
Jan 9 22:50:05 agape kernel: i2o/iop0: Reset rejected, trying to clear
Jan 9 22:50:12 agape kernel: i2o/iop0: LCT has 7 entries.
Jan 9 22:50:12 agape kernel: i2o/iop0: Configuration dialog desired.
Jan 9 22:50:37 agape kernel: I2O Block Storage OSM v0.9
Jan 9 22:50:37 agape kernel: (c) Copyright 1999-2001 Red Hat Software.
Jan 9 22:50:37 agape kernel: i2o_block: registered device at major 80
Jan 9 22:50:37 agape kernel: i2o_block: Checking for Boot device...
Jan 9 22:50:37 agape kernel: i2o_block: Checking for I2O Block devices...
Jan 9 22:50:39 agape kernel: i2ob: Installing tid 14 device at unit 0
Jan 9 22:50:39 agape kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000188
Jan 9 22:50:39 agape kernel: printing eip:
Jan 9 22:50:39 agape kernel: c0222b3c
Jan 9 22:50:39 agape kernel: *pde = 00000000
Jan 9 22:50:39 agape kernel: Oops: 0002 [#1]
Jan 9 22:50:39 agape kernel: CPU: 0
Jan 9 22:50:39 agape kernel: EIP: 0060:[blkdev_ioctl+956/1095] Not tainted
Jan 9 22:50:39 agape kernel: EIP: 0060:[<c0222b3c>] Not tainted
Jan 9 22:50:39 agape kernel: EFLAGS: 00010212
Jan 9 22:50:39 agape kernel: EIP is at blk_queue_max_sectors+0x1c/0x50
Jan 9 22:50:39 agape kernel: eax: 00000000 ebx: 00000060 ecx: 00000000 edx: f8902fa0
Jan 9 22:50:39 agape kernel: esi: 00000000 edi: 00000000 ebp: f7473ee0 esp: f7473ed0
Jan 9 22:50:39 agape kernel: ds: 007b es: 007b ss: 0068
Jan 9 22:50:39 agape kernel: Process modprobe (pid: 4557, threadinfo=f7472000 task=f75a26a0)
Jan 9 22:50:39 agape kernel: Stack: 00000000 00000006 f7473f18 0000000c f7473f3c f89000da 00000000 00000060
Jan 9 22:50:39 agape kernel: 00000006 f7473f18 00000004 00000001 0000000f f8902fa0 00000000 f8902fa0
Jan 9 22:50:39 agape kernel: 00000030 f7473f30 00000006 00000000 0000c96b 516a6200 00000009 00000200
Jan 9 22:50:39 agape kernel: Call Trace:
Jan 9 22:50:39 agape kernel: [_end+944817334/1069589468] i2ob_install_device+0x1ea/0x580 [i2o_block]
Jan 9 22:50:39 agape kernel: [<f89000da>] i2ob_install_device+0x1ea/0x580 [i2o_block]
Jan 9 22:50:39 agape kernel: [_end+944818849/1069589468] i2ob_scan+0x165/0x220 [i2o_block]
Jan 9 22:50:39 agape kernel: [<f89006c5>] i2ob_scan+0x165/0x220 [i2o_block]
Jan 9 22:50:39 agape kernel: [_end+944819090/1069589468] i2ob_probe+0x36/0x40 [i2o_block]
Jan 9 22:50:39 agape kernel: [<f89007b6>] i2ob_probe+0x36/0x40 [i2o_block]
Jan 9 22:50:39 agape kernel: [_end+944820553/1069589468] i2o_block_init+0x1bd/0x240 [i2o_block]
Jan 9 22:50:39 agape kernel: [<f8900d6d>] i2o_block_init+0x1bd/0x240 [i2o_block]
Jan 9 22:50:39 agape kernel: [_end+944814588/1069589468] i2ob_evt+0x0/0x2a0 [i2o_block]
Jan 9 22:50:39 agape kernel: [<f88ff620>] i2ob_evt+0x0/0x2a0 [i2o_block]
Jan 9 22:50:39 agape kernel: [get_ksymbol+240/320] sys_init_module+0x100/0x1d0
Jan 9 22:50:39 agape kernel: [<c0131260>] sys_init_module+0x100/0x1d0
Jan 9 22:50:39 agape kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Jan 9 22:50:39 agape kernel: [<c010905f>] syscall_call+0x7/0xb
Jan 9 22:50:39 agape kernel:
Jan 9 22:50:39 agape kernel: Code: 66 89 98 88 01 00 00 8b 5d fc c9 c3 bb 08 00 00 00 c7 44 24
[unhandled content-type:application/octet-stream]
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