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Thread: Newbie needs block driver help

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i writing first block driver , appears ok. after initialization, annoying warning message add_disk. resolve issue. appreciated.

code:
[ 326.427370] $id: ssd.c, v 1.0 2011-06-20 paul exp $ [ 326.432040] ssd - base i/o address = 0210 [ 326.434845] ssd - major number 251 assigned [ 326.437764] ------------[ cut here ]------------ [ 326.437780] warning: @ /build/buildd/linux-2.6.32/block/genhd.c:527 add_disk+0x10d/0x150() [ 326.437786] hardware name: epx-c380 sbc [ 326.437790] modules linked in: ssd(+) uio48 snd_hda_codec_via fbcon tileblit font bitblit softcursor vga16fb vgastate snd_hda_intel snd_hda_codec snd_hwdep snd_pcm i915 snd_timer drm_kms_helper snd drm i2c_algo_bit soundcore intel_agp serio_raw video snd_page_alloc output agpgart lp parport usb_storage usbhid hid e1000e [last unloaded: ssd] [ 326.437850] pid: 1230, comm: modprobe tainted: g w 2.6.32-31-generic #61-ubuntu [ 326.437855] call trace: [ 326.437866] [<c014cf92>] warn_slowpath_common+0x72/0xa0 [ 326.437875] [<c034380d>] ? add_disk+0x10d/0x150 [ 326.437882] [<c034380d>] ? add_disk+0x10d/0x150 [ 326.437890] [<c014cfda>] warn_slowpath_null+0x1a/0x20 [ 326.437897] [<c034380d>] add_disk+0x10d/0x150 [ 326.437907] [<f87a91b1>] ssd_init+0x1b1/0x1ed [ssd] [ 326.437915] [<c0101131>] do_one_initcall+0x31/0x190 [ 326.437923] [<f87a9000>] ? ssd_init+0x0/0x1ed [ssd] [ 326.437932] [<c01830a0>] sys_init_module+0xb0/0x210 [ 326.437940] [<c01033ec>] syscall_call+0x7/0xb [ 326.437949] [<c0590000>] ? do_debug+0x130/0x160 [ 326.437954] ---[ end trace 874b2931712055bf ]---



Forum The Ubuntu Forum Community Ubuntu Specialised Support Development & Programming Programming Talk Newbie needs block driver help


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