FINALLY got serial working on the N2100 and did debian install via it. Did the
partitioning bit as always and then the formatting started up to 33% then this
was outputed a few seconds later
│ [ 953.240000] Unable to handle kernel NULL pointer dereference at virtual
address 00000009
[ 953.240000] pgd = de73c000 │
[ 953.250000] [00000009] *pgd=be93a031, *pte=00000000, *ppte=00000000──────┘
[ 953.250000] Internal error: Oops: 8f3 [#1]
[ 953.250000] last sysfs file: /sys/kernel/uevent_seqnum
[ 953.250000] Modules linked in: dm_mod raid1 md_mod jfs ext4 jbd2 crc16 ext3
jbd btrfs crc32c libcrc32c vfat fat ext2 mbcache usb_storage sd_mod crc_t10dif
sata_sil libata scsi_mod jffs2 zlib_deflate lzo_decompress lzo_compress
uhci_hcd ehci_hcd evdev usbcore r8169 nls_base mii
[ 953.250000] CPU: 0 Not tainted (2.6.32-5-iop32x #1)
[ 953.250000] PC is at raid1_end_write_request+0x144/0x300 [raid1]
[ 953.250000] LR is at bio_endio+0x50/0x58
[ 953.250000] pc : [<bf3185fc>] lr : [<c00eba00>] psr: 60000013
[ 953.250000] sp : de97db68 ip : bf319520 fp : 00000000
[ 953.250000] r10: cc3bc100 r9 : 00000000 r8 : 02840200
[ 953.250000] r7 : 00000000 r6 : bf319520 r5 : 00000000 r4 : c541d000
[ 953.250000] r3 : 00000001 r2 : 02840200 r1 : 00000000 r0 : 02840200
[ 953.250000] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 953.250000] Control: 0000397f Table: be73c000 DAC: 00000015
[ 953.250000] Process mkfs.ext3 (pid: 16061, stack limit = 0xde97c270)
[ 953.250000] Stack: (0xde97db68 to 0xde97e000)
[ 953.250000] db60: c2c1c3d0 cc3bce00 cc3bce00 de54d708
00000000 cc3bc100
[ 953.250000] db80: 00001000 de54d708 00000000 00043000 00000000 0003d000
00000000 c00eba00
[ 953.250000] dba0: 00000000 c0159984 c084d380 00000000 de54d708 00000000
de54d708 de54d708
[ 953.250000] dbc0: 00000000 def384f0 00000000 c0159c18 00000000 de54d708
00000000 c015a9a4
[ 953.250000] dbe0: c2c1c3d0 00000000 df239140 00000000 de54d708 bf0ad7c4
c084c074 00000050
[ 953.250000] dc00: 080c0001 def384f0 c0833150 00080000 df29c800 de97dc38
de97c000 00000010
[ 953.250000] dc20: c03670ac 00000100 0000000a 00000001 00000004 c015f1a0
de97dc38 de97dc38
[ 953.250000] dc40: 0000001d c0047bb0 0000001d c0344a90 0000001d 0000001d
00000000 20000000
[ 953.250000] dc60: df598c40 00000001 00000000 00000000 00001000 c0024070
00001000 ffffffff
[ 953.250000] dc80: de97dcbc c0024ae8 074051de 00000000 0000000c ffffffec
c88f6c18 005d0102
[ 953.250000] dca0: 00000000 df598c40 00000001 00000000 00000000 00001000
00000014 de97dcd0
[ 953.250000] dcc0: c00ed624 c00ed648 20000013 ffffffff c045d220 00001000
d0102000 c045d220
[ 953.250000] dce0: 00001000 c00e9ba0 c88f6c18 00000001 c045d220 fffff000
00000000 df598ca8
[ 953.250000] dd00: 005d0102 00000000 ffffffff c88f6c18 de97dd24 de97c000
fffff000 00000000
[ 953.250000] dd20: df598d44 c0098cd0 000000d0 c88f6c18 df598ca8 c045d220
df598ca8 d0102000
[ 953.250000] dd40: 00000005 00000001 de97dde4 00000000 00001000 c00ea06c
c00ed5d4 d0101000
[ 953.250000] dd60: 00000005 00001000 00001000 00002000 de97c000 d0102000
00000005 00000000
[ 953.250000] dd80: 00000000 c00ee598 00001000 00000000 de97dde4 de97dde0
c00ed5d4 00000000
[ 953.250000] dda0: 00000000 c009976c 00001000 00000000 de97dde4 de97dde0
de702580 df598d44
[ 953.250000] ddc0: 00001000 00000000 c0265708 df598d44 de97df40 00000001
00002000 00006000
[ 953.250000] dde0: c1362f00 c045d220 d0100000 d0108000 00000005 d0100000
00000005 df598ca8
[ 953.250000] de00: de97c000 00008000 00008000 c0099ec0 d0100000 00000005
de97df00 00008000
[ 953.250000] de20: 00000000 c016827c c1378428 de97df00 de97df40 de97deb0
de702580 df598d44
[ 953.250000] de40: 00000000 00000001 de54d4b0 de54d4b0 df29d400 def389e0
def38b58 00008000
[ 953.250000] de60: de54d4b0 00000005 d0100000 de97df40 de97df80 de702580
de97c000 00000000
[ 953.250000] de80: 00000005 c00edb7c 00008000 00000000 de97deb0 de702580
de97df40 de97df80
[ 953.250000] dea0: fffffdee c00c62a8 d0100000 00000005 def389e0 df29d41c
00000000 00000001
[ 953.250000] dec0: ffffffff de702580 00000000 00000000 00000000 00000000
c2c1c3a0 bf0ac2dc
[ 953.250000] dee0: 00000000 00000000 de54d7d0 c2c1c3a0 c00599ec de97def4
de97def4 de54d7d0
[ 953.250000] df00: d0100000 00000005 00000000 bf0ace60 00000000 00000000
00008000 bf0ad820
[ 953.250000] df20: c0850074 df598d18 00000005 de97df38 c025d798 c00c6498
df598ca8 c00eda5c
[ 953.250000] df40: 00045258 00008000 de702580 00045258 de97df80 00008000
00008000 c00c6f04
[ 953.250000] df60: de702580 beebc908 d0100000 00000005 de702580 00008000
00045258 c00c70b0
[ 953.250000] df80: d0100000 00000005 00000000 00000000 00008000 00000008
0001dbc0 00000004
[ 953.250000] dfa0: c0025048 c0024e80 00008000 00000008 00000006 00045258
00008000 00000000
[ 953.250000] dfc0: 00008000 00000008 0001dbc0 00000004 005d0100 00000000
d0100000 00000005
[ 953.250000] dfe0: 0001dc28 beebc938 40042e04 4016465c 60000010 00000006
00000000 00000000
[ 953.250000] [<bf3185fc>] (raid1_end_write_request+0x144/0x300 [raid1]) from
[<c00eba00>] (bio_endio+0x50/0x58)
[ 953.250000] [<c00eba00>] (bio_endio+0x50/0x58) from [<c0159984>]
(blk_update_request+0x160/0x3e0)
[ 953.250000] [<c0159984>] (blk_update_request+0x160/0x3e0) from [<c0159c18>]
(blk_update_bidi_request+0x14/0x54)
[ 953.250000] [<c0159c18>] (blk_update_bidi_request+0x14/0x54) from
[<c015a9a4>] (blk_end_bidi_request+0x14/0x58)
[ 953.250000] [<c015a9a4>] (blk_end_bidi_request+0x14/0x58) from [<bf0ad7c4>]
(scsi_io_completion+0x190/0x498 [scsi_mod])
[ 953.250000] [<bf0ad7c4>] (scsi_io_completion+0x190/0x498 [scsi_mod]) from
[<c015f1a0>] (blk_done_softirq+0x74/0x94)
[ 953.250000] [<c015f1a0>] (blk_done_softirq+0x74/0x94) from [<c0047bb0>]
(__do_softirq+0xc0/0x1a8)
[ 953.250000] [<c0047bb0>] (__do_softirq+0xc0/0x1a8) from [<c0024070>]
(asm_do_IRQ+0x70/0x8c)
[ 953.250000] [<c0024070>] (asm_do_IRQ+0x70/0x8c) from [<c0024ae8>]
(__irq_svc+0x48/0x80)
[ 953.250000] Exception stack(0xde97dc88 to 0xde97dcd0)
[ 953.250000] dc80: 074051de 00000000 0000000c ffffffec
c88f6c18 005d0102
[ 953.250000] dca0: 00000000 df598c40 00000001 00000000 00000000 00001000
00000014 de97dcd0
[ 953.250000] dcc0: c00ed624 c00ed648 20000013 ffffffff
[ 953.250000] [<c0024ae8>] (__irq_svc+0x48/0x80) from [<c00ed648>]
(blkdev_get_block+0x74/0xa4)
[ 953.250000] [<c00ed648>] (blkdev_get_block+0x74/0xa4) from [<c00e9ba0>]
(__block_prepare_write+0x1b4/0x484)
[ 953.250000] [<c00e9ba0>] (__block_prepare_write+0x1b4/0x484) from
[<c00ea06c>] (block_write_begin+0x90/0x114)
[ 953.250000] [<c00ea06c>] (block_write_begin+0x90/0x114) from [<c00ee598>]
(blkdev_write_begin+0x3c/0x48)
[ 953.250000] [<c00ee598>] (blkdev_write_begin+0x3c/0x48) from [<c009976c>]
(generic_file_buffered_write+0xe8/0x288)
[ 953.250000] [<c009976c>] (generic_file_buffered_write+0xe8/0x288) from
[<c0099ec0>] (__generic_file_aio_write+0x410/0x45c)
[ 953.250000] [<c0099ec0>] (__generic_file_aio_write+0x410/0x45c) from
[<c00edb7c>] (blkdev_aio_write+0x40/0xa0)
[ 953.250000] [<c00edb7c>] (blkdev_aio_write+0x40/0xa0) from [<c00c62a8>]
(do_sync_write+0xb4/0x100)
[ 953.250000] [<c00c62a8>] (do_sync_write+0xb4/0x100) from [<c00c6f04>]
(vfs_write+0xac/0x1a0)
[ 953.250000] [<c00c6f04>] (vfs_write+0xac/0x1a0) from [<c00c70b0>]
(sys_write+0x40/0x6c)
[ 953.250000] [<c00c70b0>] (sys_write+0x40/0x6c) from [<c0024e80>]
(ret_fast_syscall+0x0/0x38)
[ 953.250000] Code: e1a07205 e1a00002 e0833007 e35b0000 (e1c300f8)
[ 953.890000] ---[ end trace 0d7de2694940d04b ]---
[ 953.890000] Kernel panic - not syncing: Fatal exception in interrupt
[ 953.890000] [<c002b224>] (unwind_backtrace+0x0/0xdc) from [<c025c3f8>]
(panic+0x34/0x128)
[ 953.900000] [<c025c3f8>] (panic+0x34/0x128) from [<c0028f28>]
(die+0x248/0x284)
[ 953.910000] [<c0028f28>] (die+0x248/0x284) from [<c002c164>]
(__do_kernel_fault+0x68/0x80)
[ 953.920000] [<c002c164>] (__do_kernel_fault+0x68/0x80) from [<c002c3d4>]
(do_bad_area+0x6c/0x78)
[ 953.930000] [<c002c3d4>] (do_bad_area+0x6c/0x78) from [<c002e00c>]
(do_alignment+0x5a0/0x700)
[ 953.940000] [<c002e00c>] (do_alignment+0x5a0/0x700) from [<c0024280>]
(do_DataAbort+0x34/0x94)
[ 953.940000] [<c0024280>] (do_DataAbort+0x34/0x94) from [<c0024a8c>]
(__dabt_svc+0x4c/0x60)
[ 953.950000] Exception stack(0xde97db20 to 0xde97db68)
[ 953.960000] db20: 02840200 00000000 02840200 00000001 c541d000 00000000
bf319520 00000000
[ 953.970000] db40: 02840200 00000000 cc3bc100 00000000 bf319520 de97db68
c00eba00 bf3185fc
[ 953.970000] db60: 60000013 ffffffff
[ 953.980000] [<c0024a8c>] (__dabt_svc+0x4c/0x60) from [<bf3185fc>]
(raid1_end_write_request+0x144/0x300 [raid1])
[ 953.990000] [<bf3185fc>] (raid1_end_write_request+0x144/0x300 [raid1]) from
[<c00eba00>] (bio_endio+0x50/0x58)
[ 954.000000] [<c00eba00>] (bio_endio+0x50/0x58) from [<c0159984>]
(blk_update_request+0x160/0x3e0)
[ 954.010000] [<c0159984>] (blk_update_request+0x160/0x3e0) from [<c0159c18>]
(blk_update_bidi_request+0x14/0x54)
[ 954.020000] [<c0159c18>] (blk_update_bidi_request+0x14/0x54) from
[<c015a9a4>] (blk_end_bidi_request+0x14/0x58)
[ 954.030000] [<c015a9a4>] (blk_end_bidi_request+0x14/0x58) from [<bf0ad7c4>]
(scsi_io_completion+0x190/0x498 [scsi_mod])
[ 954.040000] [<bf0ad7c4>] (scsi_io_completion+0x190/0x498 [scsi_mod]) from
[<c015f1a0>] (blk_done_softirq+0x74/0x94)
[ 954.050000] [<c015f1a0>] (blk_done_softirq+0x74/0x94) from [<c0047bb0>]
(__do_softirq+0xc0/0x1a8)
[ 954.060000] [<c0047bb0>] (__do_softirq+0xc0/0x1a8) from [<c0024070>]
(asm_do_IRQ+0x70/0x8c)
[ 954.070000] [<c0024070>] (asm_do_IRQ+0x70/0x8c) from [<c0024ae8>]
(__irq_svc+0x48/0x80)
[ 954.070000] Exception stack(0xde97dc88 to 0xde97dcd0)
[ 954.080000] dc80: 074051de 00000000 0000000c ffffffec
c88f6c18 005d0102
[ 954.090000] dca0: 00000000 df598c40 00000001 00000000 00000000 00001000
00000014 de97dcd0
[ 954.100000] dcc0: c00ed624 c00ed648 20000013 ffffffff
[ 954.100000] [<c0024ae8>] (__irq_svc+0x48/0x80) from [<c00ed648>]
(blkdev_get_block+0x74/0xa4)
[ 954.110000] [<c00ed648>] (blkdev_get_block+0x74/0xa4) from [<c00e9ba0>]
(__block_prepare_write+0x1b4/0x484)
[ 954.120000] [<c00e9ba0>] (__block_prepare_write+0x1b4/0x484) from
[<c00ea06c>] (block_write_begin+0x90/0x114)
[ 954.130000] [<c00ea06c>] (block_write_begin+0x90/0x114) from [<c00ee598>]
(blkdev_write_begin+0x3c/0x48)
[ 954.140000] [<c00ee598>] (blkdev_write_begin+0x3c/0x48) from [<c009976c>]
(generic_file_buffered_write+0xe8/0x288)
[ 954.150000] [<c009976c>] (generic_file_buffered_write+0xe8/0x288) from
[<c0099ec0>] (__generic_file_aio_write+0x410/0x45c)
[ 954.160000] [<c0099ec0>] (__generic_file_aio_write+0x410/0x45c) from
[<c00edb7c>] (blkdev_aio_write+0x40/0xa0)
[ 954.170000] [<c00edb7c>] (blkdev_aio_write+0x40/0xa0) from [<c00c62a8>]
(do_sync_write+0xb4/0x100)
[ 954.180000] [<c00c62a8>] (do_sync_write+0xb4/0x100) from [<c00c6f04>]
(vfs_write+0xac/0x1a0)
[ 954.190000] [<c00c6f04>] (vfs_write+0xac/0x1a0) from [<c00c70b0>]
(sys_write+0x40/0x6c)
[ 954.200000] [<c00c70b0>] (sys_write+0x40/0x6c) from [<c0024e80>]
(ret_fast_syscall+0x0/0x38)
