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Old 02-01-2010, 03:15 AM   #1
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Question block driver warning...

if anyone knows what is this warning plz explain...!!!

WARNING: at block/genhd.c:126 unregister_blkdev+0x56/0x77()
Modules linked in: sample_app(-) sit tunnel4 vfat fat ipt_MASQUERADE iptable_nat nf_nat bridge stp bnep rfcomm l2cap bluetooth ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi fuse sunrpc ipt_REJECT nf_conntrack_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables cpufreq_ondemand acpi_cpufreq loop dm_multipath i915 drm ipv6 kvm snd_hda_intel tpm_infineon snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq tpm snd_seq_device snd_pcm_oss pata_jmicron button firewire_ohci i2c_i801 i2c_core snd_mixer_oss firewire_core ppdev parport_pc parport snd_pcm tpm_bios snd_timer snd_page_alloc snd_hwdep e1000e snd soundcore serio_raw pcspkr iTCO_wdt iTCO_vendor_support crc_itu_t sg dm_snapshot dm_zero dm_mirror dm_log dm_mod pata_acpi ata_piix ata_generic libata sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last unloaded: sample_app]
Pid: 5039, comm: rmmod Tainted: G W #1
[<c063a3fe>] ? printk+0xf/0x11
[<c042a920>] warn_on_slowpath+0x41/0x65
[<c04c34e5>] ? sysfs_addrm_finish+0x198/0x1ae
[<c04c3522>] ? remove_dir+0x27/0x2e
[<c0483d1c>] ? kfree+0x9a/0xb0
[<c04fab0e>] ? kobject_release+0x4b/0x50
[<c04fab0e>] ? kobject_release+0x4b/0x50
[<c04fab0e>] ? kobject_release+0x4b/0x50
[<c04faac3>] ? kobject_release+0x0/0x50
[<c04fb5ad>] ? kref_put+0x39/0x44
[<c04faa3e>] ? kobject_put+0x37/0x3c
[<c056fada>] ? bus_remove_driver+0x84/0x89
[<c04f3147>] unregister_blkdev+0x56/0x77
[<f8fca095>] test_exit+0x26/0x34 [sample_app]
[<c044a55c>] sys_delete_module+0x1b1/0x202
[<c04748d8>] ? remove_vma+0x55/0x5b
[<c0403a2f>] sysenter_do_call+0x12/0x2f
[<c0630000>] ? nv_msi_ht_cap_quirk+0xe/0xe5
---[ end trace 9e46b92cbd396d60 ]---
Old 02-02-2010, 04:11 PM   #2
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Originally Posted by archanac07 View Post
if anyone knows what is this warning plz explain...!!!
How about providing some actual version/distro of Linux, and what you're doing to GET this error. Just posting an error message doesn't give us alot to go on.

And spell out your words...


block, driver, kernel, warning

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