Re: BUG: bnx2i: scheduling while atomic while modprobing bnx2i module

["Anil Veerabhadrappa" <anilgv@broadcom.com>]

This should be resolved by a patch from 3 weeks ago.

reference:
http://kerneltrap.org/mailarchive/linux-scsi/2009/8/15/6319303


On Thu, 2009-09-10 at 20:12 -0700, Sergey Temerkhanov wrote:
> Hi!
> 
> I'm getting the scheduling while atomic bug while modprobing bnx2i module on 2.6.31. Here's the report from kernel:
> 
> Broadcom NetXtreme II iSCSI Driver bnx2i v2.0.1d (Mar 25, 2009)
> iscsi: registered transport (bnx2i)
> BUG: scheduling while atomic: modprobe/9170/0x00000002
> Modules linked in: bnx2i(+) libiscsi scsi_transport_iscsi nfsd bnep rfcomm l2cap bluetooth snd_pcm_oss snd_mixer_oss snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device ip6table_filter ip6_tables ipt_LOG xt_recent xt_state xt_tcpudp iptable_filter iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables cpufreq_powersave cnic uio ipv6 snd_hda_codec_atihdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec bnx2 shpchp snd_hwdep psmouse snd_pcm pci_hotplug snd_timer pcspkr wmi snd firewire_ohci firewire_core soundcore rtc thermal snd_page_alloc asus_atk0110 processor button tg3 libphy fuse nfs auth_rpcgss nfs_acl lockd sunrpc raid10 raid1 raid0 md_mod dm_bbr dm_snapshot dm_mirror dm_region_hash dm_log dm_mod scsi_wait_scan sl811_hcd usbhid ohci_hcd uhci_hcd usb
 _storage usb_libusual ehci_hcd usbcore scsi_transport_fc sx8 cciss sata_mv ahci sata_nv sata_sil24 sata_sil pata_jmicron pata_atiixp pata_amd
> Pid: 9170, comm: modprobe Not tainted 2.6.31-gentoo #4
> Call Trace:
>  [<ffffffff8146d5b8>] ? thread_return+0x1cc/0x6c4
>  [<ffffffff8146e035>] ? schedule_timeout+0x1c5/0x200
>  [<ffffffff8104374b>] ? enqueue_task_fair+0x4b/0xe0
>  [<ffffffff8146ce6c>] ? wait_for_common+0x17c/0x1b0
>  [<ffffffff8104c5a0>] ? default_wake_function+0x0/0x40
>  [<ffffffff8106db88>] ? kthread_create+0xa8/0x160
>  [<ffffffff8135c590>] ? scsi_error_handler+0x0/0x640
>  [<ffffffff81073626>] ? up+0x26/0x80
>  [<ffffffff8134527d>] ? dev_set_name+0x5d/0x80
>  [<ffffffff8115b6bd>] ? sysfs_find_dirent+0x3d/0x70
>  [<ffffffff8129828c>] ? kobject_init+0x3c/0xd0
>  [<ffffffff810e7b0a>] ? __kmalloc+0xca/0x140
>  [<ffffffff81345b03>] ? device_initialize+0x33/0xb0
>  [<ffffffff81357efd>] ? scsi_host_alloc+0x29d/0x330
>  [<ffffffffa057ae50>] ? iscsi_host_alloc+0x30/0x100 [libiscsi]
>  [<ffffffffa058dc46>] ? bnx2i_alloc_hba+0x36/0x6e0 [bnx2i]
>  [<ffffffffa0587180>] ? bnx2i_ulp_init+0x30/0x170 [bnx2i]
>  [<ffffffffa043a141>] ? cnic_register_driver+0x111/0x184 [cnic]
>  [<ffffffffa0595000>] ? bnx2i_mod_init+0x0/0xe4 [bnx2i]
>  [<ffffffffa0595077>] ? bnx2i_mod_init+0x77/0xe4 [bnx2i]
>  [<ffffffffa0595000>] ? bnx2i_mod_init+0x0/0xe4 [bnx2i]
>  [<ffffffff81009075>] ? do_one_initcall+0x45/0x1c0
>  [<ffffffff810891c7>] ? sys_init_module+0x107/0x260
>  [<ffffffff8100c1ab>] ? system_call_fastpath+0x16/0x1b
> scsi8 : Broadcom Offload iSCSI Initiator
> BUG: scheduling while atomic: modprobe/9170/0x00000002
> Modules linked in: bnx2i(+) libiscsi scsi_transport_iscsi nfsd bnep rfcomm l2cap bluetooth snd_pcm_oss snd_mixer_oss snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device ip6table_filter ip6_tables ipt_LOG xt_recent xt_state xt_tcpudp iptable_filter iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables cpufreq_powersave cnic uio ipv6 snd_hda_codec_atihdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec bnx2 shpchp snd_hwdep psmouse snd_pcm pci_hotplug snd_timer pcspkr wmi snd firewire_ohci firewire_core soundcore rtc thermal snd_page_alloc asus_atk0110 processor button tg3 libphy fuse nfs auth_rpcgss nfs_acl lockd sunrpc raid10 raid1 raid0 md_mod dm_bbr dm_snapshot dm_mirror dm_region_hash dm_log dm_mod scsi_wait_scan sl811_hcd usbhid ohci_hcd uhci_hcd usb
 _storage usb_libusual ehci_hcd usbcore scsi_transport_fc sx8 cciss sata_mv ahci sata_nv sata_sil24 sata_sil pata_jmicron pata_atiixp pata_amd
> Pid: 9170, comm: modprobe Not tainted 2.6.31-gentoo #4
> Call Trace:
>  [<ffffffff8146d5b8>] ? thread_return+0x1cc/0x6c4
>  [<ffffffff81074eff>] ? sched_clock_cpu+0x7f/0x290
>  [<ffffffff81042037>] ? task_rq_lock+0x57/0xb0
>  [<ffffffff81074eff>] ? sched_clock_cpu+0x7f/0x290
>  [<ffffffff8146e035>] ? schedule_timeout+0x1c5/0x200
>  [<ffffffff8104374b>] ? enqueue_task_fair+0x4b/0xe0
>  [<ffffffff8146ce6c>] ? wait_for_common+0x17c/0x1b0
>  [<ffffffff8104c5a0>] ? default_wake_function+0x0/0x40
>  [<ffffffff8106db88>] ? kthread_create+0xa8/0x160
>  [<ffffffff81067fd0>] ? worker_thread+0x0/0x260
>  [<ffffffff810e9b9a>] ? pcpu_alloc_area+0x2aa/0x330
>  [<ffffffff810ea268>] ? pcpu_alloc+0x478/0x4c0
>  [<ffffffff81067f83>] ? create_workqueue_thread+0x53/0xa0
>  [<ffffffff81068a46>] ? __create_workqueue_key+0x1b6/0x220
>  [<ffffffff810e7b0a>] ? __kmalloc+0xca/0x140
>  [<ffffffff813582f4>] ? scsi_add_host+0x134/0x260
>  [<ffffffffa058e012>] ? bnx2i_alloc_hba+0x402/0x6e0 [bnx2i]
>  [<ffffffffa0587180>] ? bnx2i_ulp_init+0x30/0x170 [bnx2i]
>  [<ffffffffa043a141>] ? cnic_register_driver+0x111/0x184 [cnic]
>  [<ffffffffa0595000>] ? bnx2i_mod_init+0x0/0xe4 [bnx2i]
>  [<ffffffffa0595077>] ? bnx2i_mod_init+0x77/0xe4 [bnx2i]
>  [<ffffffffa0595000>] ? bnx2i_mod_init+0x0/0xe4 [bnx2i]
>  [<ffffffff81009075>] ? do_one_initcall+0x45/0x1c0
>  [<ffffffff810891c7>] ? sys_init_module+0x107/0x260
>  [<ffffffff8100c1ab>] ? system_call_fastpath+0x16/0x1b
> 
> Regards, Sergey Temerkhanov
> --
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