Re: smb2 kernel panic on module unload

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On Wed, Sep 8, 2010 at 1:37 PM, Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote:
> I saw this when attempting to rmmod smb2.
>
> Thanks,
> Ben
>
>
> ------------[ cut here ]------------
> WARNING: at fs/proc/generic.c:816 remove_proc_entry+0xf3/0x26d()
> Hardware name: X8STi
> name 'DebugData'
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
> Pid: 12935, comm: rmmod Not tainted 2.6.36-rc2+ #1
> Call Trace:
>  [<ffffffff81043a26>] warn_slowpath_common+0x80/0x98
>  [<ffffffff81043ad2>] warn_slowpath_fmt+0x41/0x43
>  [<ffffffff8140744b>] ? _raw_spin_unlock+0x45/0x52
>  [<ffffffff811357fe>] remove_proc_entry+0xf3/0x26d
>  [<ffffffff8106a5fb>] ? mark_held_locks+0x52/0x70
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffffa034ab20>] smb2_proc_clean+0x20/0xc8 [smb2]
>  [<ffffffffa03537e3>] exit_smb2+0x27/0x86 [smb2]
>  [<ffffffff8107375b>] sys_delete_module+0x1aa/0x20e
>  [<ffffffff81407bf9>] ? retint_swapgs+0x13/0x1b
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff8108e299>] ? audit_syscall_entry+0x119/0x145
>  [<ffffffff81009a42>] system_call_fastpath+0x16/0x1b
> ---[ end trace 8d1d6075190420c5 ]---
> ------------[ cut here ]------------
> WARNING: at fs/proc/generic.c:816 remove_proc_entry+0xf3/0x26d()
> Hardware name: X8STi
> name 'smb2FYI'
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
> Pid: 12935, comm: rmmod Tainted: G        W   2.6.36-rc2+ #1
> Call Trace:
>  [<ffffffff81043a26>] warn_slowpath_common+0x80/0x98
>  [<ffffffff81043ad2>] warn_slowpath_fmt+0x41/0x43
>  [<ffffffff8140744b>] ? _raw_spin_unlock+0x45/0x52
>  [<ffffffff811357fe>] remove_proc_entry+0xf3/0x26d
>  [<ffffffff8106a5fb>] ? mark_held_locks+0x52/0x70
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffffa034ab33>] smb2_proc_clean+0x33/0xc8 [smb2]
>  [<ffffffffa03537e3>] exit_smb2+0x27/0x86 [smb2]
>  [<ffffffff8107375b>] sys_delete_module+0x1aa/0x20e
>  [<ffffffff81407bf9>] ? retint_swapgs+0x13/0x1b
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff8108e299>] ? audit_syscall_entry+0x119/0x145
>  [<ffffffff81009a42>] system_call_fastpath+0x16/0x1b
> ---[ end trace 8d1d6075190420c6 ]---
> ------------[ cut here ]------------
> WARNING: at fs/proc/generic.c:816 remove_proc_entry+0xf3/0x26d()
> Hardware name: X8STi
> name 'traceSMB2'
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
> Pid: 12935, comm: rmmod Tainted: G        W   2.6.36-rc2+ #1
> Call Trace:
>  [<ffffffff81043a26>] warn_slowpath_common+0x80/0x98
>  [<ffffffff81043ad2>] warn_slowpath_fmt+0x41/0x43
>  [<ffffffff8140744b>] ? _raw_spin_unlock+0x45/0x52
>  [<ffffffff811357fe>] remove_proc_entry+0xf3/0x26d
>  [<ffffffff8106a5fb>] ? mark_held_locks+0x52/0x70
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffffa034ab46>] smb2_proc_clean+0x46/0xc8 [smb2]
>  [<ffffffffa03537e3>] exit_smb2+0x27/0x86 [smb2]
>  [<ffffffff8107375b>] sys_delete_module+0x1aa/0x20e
>  [<ffffffff81407bf9>] ? retint_swapgs+0x13/0x1b
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff8108e299>] ? audit_syscall_entry+0x119/0x145
>  [<ffffffff81009a42>] system_call_fastpath+0x16/0x1b
> ---[ end trace 8d1d6075190420c7 ]---
> ------------[ cut here ]------------
> WARNING: at fs/proc/generic.c:816 remove_proc_entry+0xf3/0x26d()
> Hardware name: X8STi
> name 'Stats'
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
> Pid: 12935, comm: rmmod Tainted: G        W   2.6.36-rc2+ #1
> Call Trace:
>  [<ffffffff81043a26>] warn_slowpath_common+0x80/0x98
>  [<ffffffff81043ad2>] warn_slowpath_fmt+0x41/0x43
>  [<ffffffff8140744b>] ? _raw_spin_unlock+0x45/0x52
>  [<ffffffff811357fe>] remove_proc_entry+0xf3/0x26d
>  [<ffffffff8106a5fb>] ? mark_held_locks+0x52/0x70
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffffa034ab59>] smb2_proc_clean+0x59/0xc8 [smb2]
>  [<ffffffffa03537e3>] exit_smb2+0x27/0x86 [smb2]
>  [<ffffffff8107375b>] sys_delete_module+0x1aa/0x20e
>  [<ffffffff81407bf9>] ? retint_swapgs+0x13/0x1b
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff8108e299>] ? audit_syscall_entry+0x119/0x145
>  [<ffffffff81009a42>] system_call_fastpath+0x16/0x1b
> ---[ end trace 8d1d6075190420c8 ]---
> ------------[ cut here ]------------
> WARNING: at fs/proc/generic.c:816 remove_proc_entry+0xf3/0x26d()
> Hardware name: X8STi
> name 'MultiuserMount'
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
> Pid: 12935, comm: rmmod Tainted: G        W   2.6.36-rc2+ #1
> Call Trace:
>  [<ffffffff81043a26>] warn_slowpath_common+0x80/0x98
>  [<ffffffff81043ad2>] warn_slowpath_fmt+0x41/0x43
>  [<ffffffff8140744b>] ? _raw_spin_unlock+0x45/0x52
>  [<ffffffff811357fe>] remove_proc_entry+0xf3/0x26d
>  [<ffffffff8106a5fb>] ? mark_held_locks+0x52/0x70
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffffa034ab6c>] smb2_proc_clean+0x6c/0xc8 [smb2]
>  [<ffffffffa03537e3>] exit_smb2+0x27/0x86 [smb2]
>  [<ffffffff8107375b>] sys_delete_module+0x1aa/0x20e
>  [<ffffffff81407bf9>] ? retint_swapgs+0x13/0x1b
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff8108e299>] ? audit_syscall_entry+0x119/0x145
>  [<ffffffff81009a42>] system_call_fastpath+0x16/0x1b
> ---[ end trace 8d1d6075190420c9 ]---
> ------------[ cut here ]------------
> WARNING: at fs/proc/generic.c:816 remove_proc_entry+0xf3/0x26d()
> Hardware name: X8STi
> name 'OplockEnabled'
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
> Pid: 12935, comm: rmmod Tainted: G        W   2.6.36-rc2+ #1
> Call Trace:
>  [<ffffffff81043a26>] warn_slowpath_common+0x80/0x98
>  [<ffffffff81043ad2>] warn_slowpath_fmt+0x41/0x43
>  [<ffffffff8140744b>] ? _raw_spin_unlock+0x45/0x52
>  [<ffffffff811357fe>] remove_proc_entry+0xf3/0x26d
>  [<ffffffff8106a5fb>] ? mark_held_locks+0x52/0x70
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffffa034ab7f>] smb2_proc_clean+0x7f/0xc8 [smb2]
>  [<ffffffffa03537e3>] exit_smb2+0x27/0x86 [smb2]
>  [<ffffffff8107375b>] sys_delete_module+0x1aa/0x20e
>  [<ffffffff81407bf9>] ? retint_swapgs+0x13/0x1b
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff8108e299>] ? audit_syscall_entry+0x119/0x145
>  [<ffffffff81009a42>] system_call_fastpath+0x16/0x1b
> ---[ end trace 8d1d6075190420ca ]---
> ------------[ cut here ]------------
> WARNING: at fs/proc/generic.c:816 remove_proc_entry+0xf3/0x26d()
> Hardware name: X8STi
> name 'SecurityFlags'
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
> Pid: 12935, comm: rmmod Tainted: G        W   2.6.36-rc2+ #1
> Call Trace:
>  [<ffffffff81043a26>] warn_slowpath_common+0x80/0x98
>  [<ffffffff81043ad2>] warn_slowpath_fmt+0x41/0x43
>  [<ffffffff8140744b>] ? _raw_spin_unlock+0x45/0x52
>  [<ffffffff811357fe>] remove_proc_entry+0xf3/0x26d
>  [<ffffffff8106a5fb>] ? mark_held_locks+0x52/0x70
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffffa034ab92>] smb2_proc_clean+0x92/0xc8 [smb2]
>  [<ffffffffa03537e3>] exit_smb2+0x27/0x86 [smb2]
>  [<ffffffff8107375b>] sys_delete_module+0x1aa/0x20e
>  [<ffffffff81407bf9>] ? retint_swapgs+0x13/0x1b
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff8108e299>] ? audit_syscall_entry+0x119/0x145
>  [<ffffffff81009a42>] system_call_fastpath+0x16/0x1b
> ---[ end trace 8d1d6075190420cb ]---
> ------------[ cut here ]------------
> WARNING: at fs/proc/generic.c:816 remove_proc_entry+0xf3/0x26d()
> Hardware name: X8STi
> name 'Experimental'
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
> Pid: 12935, comm: rmmod Tainted: G        W   2.6.36-rc2+ #1
> Call Trace:
>  [<ffffffff81043a26>] warn_slowpath_common+0x80/0x98
>  [<ffffffff81043ad2>] warn_slowpath_fmt+0x41/0x43
>  [<ffffffff8140744b>] ? _raw_spin_unlock+0x45/0x52
>  [<ffffffff811357fe>] remove_proc_entry+0xf3/0x26d
>  [<ffffffff8106a5fb>] ? mark_held_locks+0x52/0x70
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffffa034aba5>] smb2_proc_clean+0xa5/0xc8 [smb2]
>  [<ffffffffa03537e3>] exit_smb2+0x27/0x86 [smb2]
>  [<ffffffff8107375b>] sys_delete_module+0x1aa/0x20e
>  [<ffffffff81407bf9>] ? retint_swapgs+0x13/0x1b
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff8108e299>] ? audit_syscall_entry+0x119/0x145
>  [<ffffffff81009a42>] system_call_fastpath+0x16/0x1b
> ---[ end trace 8d1d6075190420cc ]---
> ------------[ cut here ]------------
> WARNING: at fs/proc/generic.c:816 remove_proc_entry+0xf3/0x26d()
> Hardware name: X8STi
> name 'LookupCacheEnabled'
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
> Pid: 12935, comm: rmmod Tainted: G        W   2.6.36-rc2+ #1
> Call Trace:
>  [<ffffffff81043a26>] warn_slowpath_common+0x80/0x98
>  [<ffffffff81043ad2>] warn_slowpath_fmt+0x41/0x43
>  [<ffffffff8140744b>] ? _raw_spin_unlock+0x45/0x52
>  [<ffffffff811357fe>] remove_proc_entry+0xf3/0x26d
>  [<ffffffff8106a5fb>] ? mark_held_locks+0x52/0x70
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffffa034abb8>] smb2_proc_clean+0xb8/0xc8 [smb2]
>  [<ffffffffa03537e3>] exit_smb2+0x27/0x86 [smb2]
>  [<ffffffff8107375b>] sys_delete_module+0x1aa/0x20e
>  [<ffffffff81407bf9>] ? retint_swapgs+0x13/0x1b
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff8108e299>] ? audit_syscall_entry+0x119/0x145
>  [<ffffffff81009a42>] system_call_fastpath+0x16/0x1b
> ---[ end trace 8d1d6075190420cd ]---
> ------------[ cut here ]------------
> WARNING: at fs/proc/generic.c:816 remove_proc_entry+0xf3/0x26d()
> Hardware name: X8STi
> name 'fs/smb2'
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
> Pid: 12935, comm: rmmod Tainted: G        W   2.6.36-rc2+ #1
> Call Trace:
>  [<ffffffff81043a26>] warn_slowpath_common+0x80/0x98
>  [<ffffffff81043ad2>] warn_slowpath_fmt+0x41/0x43
>  [<ffffffff8140744b>] ? _raw_spin_unlock+0x45/0x52
>  [<ffffffff811357fe>] remove_proc_entry+0xf3/0x26d
>  [<ffffffff8106a5fb>] ? mark_held_locks+0x52/0x70
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff81405a03>] ? __mutex_unlock_slowpath+0x114/0x149
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffffa034abc6>] smb2_proc_clean+0xc6/0xc8 [smb2]
>  [<ffffffffa03537e3>] exit_smb2+0x27/0x86 [smb2]
>  [<ffffffff8107375b>] sys_delete_module+0x1aa/0x20e
>  [<ffffffff81407bf9>] ? retint_swapgs+0x13/0x1b
>  [<ffffffff8106a87b>] ? trace_hardirqs_on_caller+0x111/0x135
>  [<ffffffff8108e299>] ? audit_syscall_entry+0x119/0x145
>  [<ffffffff81009a42>] system_call_fastpath+0x16/0x1b
> ---[ end trace 8d1d6075190420ce ]---
> ------------[ cut here ]------------
> kernel BUG at mm/mempool.c:26!
> invalid opcode: 0000 [#1] PREEMPT SMP
> last sysfs file:
> /sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1/stat
> CPU 6
> Modules linked in: smb2(-) xt_CT iptable_raw ipt_addrtype xt_DSCP xt_dscp
> xt_string xt_owner xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit
> xt_connmark 8021q garp bridge stp llc veth fuse arc4 michael_mic macvlan
> pktgen iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfs lockd
> fscache nfs_acl auth_rpcgss sunrpc ipv6 uinput ixgbe ioatdma e1000e ghes dca
> mdio hed iTCO_wdt iTCO_vendor_support i2c_i801 pcspkr i2c_core microcode
> i7core_edac edac_core [last unloaded: ipt_addrtype]
>
> Pid: 12935, comm: rmmod Tainted: G        W   2.6.36-rc2+ #1 X8STi/X8STi
> RIP: 0010:[<ffffffff810a70e9>]  [<ffffffff810a70e9>] free_pool+0x10/0x47
> RSP: 0018:ffff88032c9cbe98  EFLAGS: 00010286
> RAX: 00000000ffffffff RBX: ffff88031abd3600 RCX: 0000000000000000
> RDX: ffffffff00000001 RSI: 0000000000000001 RDI: ffff88031abd3600
> RBP: ffff88032c9cbea8 R08: 0000000000000246 R09: 0000000000000000
> R10: ffffffff81c8a5f0 R11: 0000000000000000 R12: 0000000000000880
> R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
> FS:  00007facdcd23700(0000) GS:ffff880002580000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 00000037e2677900 CR3: 000000031024e000 CR4: 00000000000006e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process rmmod (pid: 12935, threadinfo ffff88032c9ca000, task
> ffff88032f200000)
> Stack:
>  ffff88032c9cbec8 ffffffffa036dce0 ffff88032c9cbeb8 ffffffff810a7135
> <0> ffff88032c9cbec8 ffffffffa034dc0f ffff88032c9cbed8 ffffffffa035383b
> <0> ffff88032c9cbf78 ffffffff8107375b ffff880032626d73 ffffffff81407bf9
> Call Trace:
>  [<ffffffff810a7135>] mempool_destroy+0x15/0x17

Just fixed an obvious bug (the move to common DNS resolver code broke
the smb2 init code).


-- 
Thanks,

Steve
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