I was recompiling 2.6.31-rt10 on a system that was already running 2.6.31-rt10 (I wanted a kernel with trace options, and not so many debug options to measure latency with) I got the following during the sudo make modules_install install step BUG: unable to handle kernel paging request at 000000066d387ba0 IP: [<ffffffff81410e8f>] __schedule+0x650/0x8ef PGD 12bc16067 PUD 0 Thread overran stack, or stack corrupted Oops: 0000 [#1] PREEMPT SMP last sysfs file: /sys/class/power_supply/BAT0/energy_full CPU 1 Modules linked in: tun fuse i915 drm i2c_algo_bit ipt_MASQUERADE iptable_nat nf_ nat rfcomm bridge stp bnep sco l2cap sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defr ag_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_stat e ip6table_filter ip6_tables x_tables ipv6 cpufreq_ondemand acpi_cpufreq ext3 jb d mbcache dm_mirror dm_region_hash dm_log dm_multipath scsi_dh dm_mod kvm_intel kvm uinput arc4 ecb snd_hda_codec_conexant iwlagn iwlcore snd_hda_intel snd_hda_ codec mac80211 snd_hwdep snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq sn d_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer e1000e sdhci_pci btusb sdhci thinkpad_acpi cfg80211 snd ppdev video parport_pc i2c_i801 ata_generic sr_ mod mmc_core firewire_ohci pata_acpi parport hwmon bluetooth firewire_core outpu t ricoh_mmc soundcore intel_agp i2c_core sg ac battery cdrom pcspkr iTCO_wdt iTC O_vendor_support button rfkill wmi snd_page_alloc crc_itu_t joydev ahci libata s d_mod scsi_mod crc_t10dif xfs exportfs uhci_hcd ohci_hcd ehci_hcd [last unloaded : microcode] Pid: 2602, comm: Xorg Not tainted 2.6.31-rt10 #1 2241B48 RIP: 0010:[<ffffffff81410e8f>] [<ffffffff81410e8f>] __schedule+0x650/0x8ef RSP: 0018:ffff88012b1221b8 EFLAGS: 00010083 RAX: 00000000dd79fbea RBX: ffff8801300fc700 RCX: ffff8801300fc700 RDX: 0000000000221a00 RSI: 00000000dd79fbea RDI: ffff88002c24c1a0 RBP: ffff88012b122268 R08: ffff88011d421a10 R09: 00000754f3bd1b47 R10: 00000000dd79fbea R11: 0000000000000000 R12: ffff8801300fc700 R13: ffff88002c248a80 R14: 0000000000000004 R15: ffff88002c24ba00 FS: 00007fc79b087790(0000) GS:ffff88002c02a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000066d387ba0 CR3: 0000000138d67000 CR4: 00000000000026e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process Xorg (pid: 2602, threadinfo ffff88012b122000, task ffff8801300fc700) Stack: ffff88002c248a80 0000000000000246 ffff88012b1222c8 ffffffff81412bb6 <0> ffff8801300fc700 ffff88013bb804c0 ffff8801300fcaa0 00000001814125f4 <0> ffffffff8141140f ffff88002c248a80 ffff88012b122238 ffffffff810e1574 Call Trace: [<ffffffff81412bb6>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff8141140f>] ? preempt_schedule+0x55/0x98 [<ffffffff810e1574>] ? trace_preempt_off+0x2f/0x70 [<ffffffff81411422>] preempt_schedule+0x68/0x98 [<ffffffff81413b59>] ? _atomic_spin_unlock_irqrestore+0x55/0x91 [<ffffffff81413b7a>] _atomic_spin_unlock_irqrestore+0x76/0x91 [<ffffffff814125f4>] rt_spin_lock_slowlock+0x255/0x29e [<ffffffff8141239f>] ? rt_spin_lock_slowlock+0x0/0x29e [<ffffffff8109e3cc>] rt_spin_lock_fastlock+0x67/0x82 [<ffffffff814130dd>] rt_spin_lock+0x2e/0x68 [<ffffffff8112a6c4>] _slab_irq_disable+0x4f/0x89 [<ffffffff8112d408>] kmem_cache_alloc+0x7a/0x238 [<ffffffffa00a8221>] scsi_pool_alloc_command+0x36/0x8a [scsi_mod] [<ffffffff810e18d4>] ? trace_preempt_on+0x2c/0x6d [<ffffffffa00a82a0>] scsi_host_alloc_command+0x2b/0x8c [scsi_mod] [<ffffffffa00a87c3>] __scsi_get_command+0x24/0xb2 [scsi_mod] [<ffffffffa00a8897>] scsi_get_command+0x46/0xbf [scsi_mod] [<ffffffffa00af2eb>] scsi_setup_fs_cmnd+0x7e/0xe3 [scsi_mod] [<ffffffffa00d9d73>] sd_prep_fn+0x73/0x8b4 [sd_mod] [<ffffffff81219bd1>] ? cfq_dispatch_insert+0x4c/0x76 [<ffffffff8121a2ba>] ? cfq_dispatch_requests+0x291/0x387 [<ffffffff81413b63>] ? _atomic_spin_unlock_irqrestore+0x5f/0x91 [<ffffffff812096d9>] blk_peek_request+0x136/0x216 [<ffffffffa00ae5dc>] scsi_request_fn+0x92/0x55f [scsi_mod] [<ffffffff8120a105>] __blk_run_queue+0x4f/0x99 [<ffffffff81219ff3>] cfq_insert_request+0x30b/0x341 [<ffffffff811ff936>] elv_insert+0x1ef/0x2b3 [<ffffffff811ffaa3>] __elv_add_request+0xa9/0xc8 [<ffffffff8120b04c>] __make_request+0x3d6/0x46b [<ffffffff81208fa3>] generic_make_request+0x2e4/0x342 [<ffffffff812090c9>] submit_bio+0xc8/0xe5 [<ffffffffa0079229>] _xfs_buf_ioapply+0x231/0x273 [xfs] [<ffffffffa007a3ef>] xfs_buf_iorequest+0x5a/0xa4 [xfs] [<ffffffffa007adbc>] ? xfs_buf_get_flags+0xda/0x170 [xfs] [<ffffffffa007aa67>] _xfs_buf_read+0x40/0x6d [xfs] [<ffffffffa007aeb7>] xfs_buf_read_flags+0x65/0xb1 [xfs] [<ffffffffa0070938>] xfs_trans_read_buf+0x1c8/0x2d8 [xfs] [<ffffffffa00437fd>] xfs_btree_read_buf_block+0x5c/0xb4 [xfs] [<ffffffff8141235b>] ? rt_spin_lock_slowunlock+0x58/0x9c [<ffffffffa00448e8>] xfs_btree_lookup_get_block+0x97/0xd1 [xfs] [<ffffffffa0044f5c>] xfs_btree_lookup+0x145/0x3fb [xfs] [<ffffffffa002ef12>] xfs_alloc_lookup_eq+0x27/0x3d [xfs] [<ffffffffa002f09a>] xfs_alloc_fixup_trees+0x80/0x2a0 [xfs] [<ffffffffa002ef99>] ? xfs_alloc_get_rec+0x31/0x72 [xfs] [<ffffffffa003066b>] xfs_alloc_ag_vextent_size+0x342/0x43f [xfs] [<ffffffffa00310cd>] xfs_alloc_ag_vextent+0x38/0x11e [xfs] [<ffffffffa00319bc>] xfs_alloc_vextent+0x2f9/0x44d [xfs] [<ffffffffa003d00d>] ? xfs_inode_is_filestream+0x3a/0x85 [xfs] [<ffffffffa003d01c>] ? xfs_inode_is_filestream+0x49/0x85 [xfs] [<ffffffffa003d594>] xfs_bmap_btalloc+0x53c/0x719 [xfs] [<ffffffffa003d78d>] xfs_bmap_alloc+0x1c/0x32 [xfs] [<ffffffffa003f5ce>] xfs_bmapi+0x6f0/0xdf1 [xfs] [<ffffffffa005ecdb>] xfs_iomap_write_allocate+0x21f/0x363 [xfs] [<ffffffff8141316e>] ? rt_spin_unlock+0x57/0x72 [<ffffffffa005f69f>] xfs_iomap+0x21f/0x2a0 [xfs] [<ffffffffa0076c01>] xfs_map_blocks+0x37/0x54 [xfs] [<ffffffffa0077b73>] xfs_page_state_convert+0x2f0/0x5d7 [xfs] [<ffffffff8110a6aa>] ? __dec_zone_state+0x9a/0xd9 [<ffffffff81095670>] ? trace_hardirqs_on+0x20/0x36 [<ffffffff810e193e>] ? time_hardirqs_on+0x29/0x7d [<ffffffffa007820d>] xfs_vm_writepage+0xbb/0x108 [xfs] [<ffffffff81100a61>] shrink_page_list+0x3d1/0x6f0 [<ffffffff81095670>] ? trace_hardirqs_on+0x20/0x36 [<ffffffff811012d6>] shrink_list+0x2e5/0x5b0 [<ffffffff8109ea0c>] ? debug_rt_mutex_free_waiter+0x27/0xf0 [<ffffffff81095670>] ? trace_hardirqs_on+0x20/0x36 [<ffffffff81413b63>] ? _atomic_spin_unlock_irqrestore+0x5f/0x91 [<ffffffff810e18d4>] ? trace_preempt_on+0x2c/0x6d [<ffffffff81101850>] shrink_zone+0x2af/0x38a [<ffffffff8110297e>] ? try_to_free_pages+0xde/0x3cd [<ffffffff810ff671>] ? count_vm_event+0x4e/0x8c [<ffffffff81416d54>] ? sub_preempt_count+0xad/0xd7 [<ffffffff81102af0>] try_to_free_pages+0x250/0x3cd [<ffffffff810ff744>] ? isolate_pages_global+0x0/0x1fc [<ffffffff810faf52>] __alloc_pages_nodemask+0x44a/0x640 [<ffffffff811286b1>] alloc_pages_current+0xa9/0xca [<ffffffff810fa006>] __get_free_pages+0x1c/0x6d [<ffffffff8114f92f>] __pollwait+0x71/0xfe [<ffffffff813e6039>] sock_poll_wait+0x29/0x42 [<ffffffff813e607d>] unix_poll+0x2b/0xc3 [<ffffffff81349eca>] sock_poll+0x2e/0x44 [<ffffffff8114f18f>] do_select+0x3c0/0x5da [<ffffffff8114f8be>] ? __pollwait+0x0/0xfe [<ffffffff8114f9bc>] ? pollwake+0x0/0x7c [<ffffffff8114f9bc>] ? pollwake+0x0/0x7c [<ffffffff8114f9bc>] ? pollwake+0x0/0x7c [<ffffffff8114f9bc>] ? pollwake+0x0/0x7c [<ffffffff8114f9bc>] ? pollwake+0x0/0x7c [<ffffffff8114f9bc>] ? pollwake+0x0/0x7c [<ffffffff8114f9bc>] ? pollwake+0x0/0x7c [<ffffffff8114f9bc>] ? pollwake+0x0/0x7c [<ffffffff8114f9bc>] ? pollwake+0x0/0x7c [<ffffffff8114f561>] core_sys_select+0x1b8/0x271 [<ffffffff8141402b>] ? unlock_kernel+0x54/0x6a [<ffffffff8114e580>] ? poll_select_set_timeout+0x68/0x9f [<ffffffff8114f882>] sys_select+0xa3/0xdf [<ffffffff8100bfeb>] system_call_fastpath+0x16/0x1b Code: ff ff 48 89 85 78 ff ff ff 0f 84 25 03 00 00 48 8b 8d 70 ff ff ff 48 c7 c2 00 1a 22 00 48 8b 9d 70 ff ff ff 48 8b 41 08 8b 40 18 <48> 8b 04 c5 50 9c 68 81 48 8d 0c 02 48 3b 99 40 08 00 00 74 63 RIP [<ffffffff81410e8f>] __schedule+0x650/0x8ef RSP <ffff88012b1221b8> CR2: 000000066d387ba0 ---[ end trace 00b40f39bfa88a0d ]--- BUG: unable to handle kernel paging request at 00000000d9f9a490 IP: [<ffffffff81045fcf>] task_rq_lock+0x41/0x9c PGD 11311f067 PUD 0 Oops: 0000 [#2] PREEMPT SMP last sysfs file: /sys/class/power_supply/BAT0/energy_full CPU 0 Modules linked in: tun fuse i915 drm i2c_algo_bit ipt_MASQUERADE iptable_nat nf_ nat rfcomm bridge stp bnep sco l2cap sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defr ag_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_stat e ip6table_filter ip6_tables x_tables ipv6 cpufreq_ondemand acpi_cpufreq ext3 jb d mbcache dm_mirror dm_region_hash dm_log dm_multipath scsi_dh dm_mod kvm_intel kvm uinput arc4 ecb snd_hda_codec_conexant iwlagn iwlcore snd_hda_intel snd_hda_ codec mac80211 snd_hwdep snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq sn d_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer e1000e sdhci_pci btusb sdhci thinkpad_acpi cfg80211 snd ppdev video parport_pc i2c_i801 ata_generic sr_ mod mmc_core firewire_ohci pata_acpi parport hwmon bluetooth firewire_core outpu t ricoh_mmc soundcore intel_agp i2c_core sg ac battery cdrom pcspkr iTCO_wdt iTC O_vendor_support button rfkill wmi snd_page_alloc crc_itu_t joydev ahci libata s d_mod scsi_mod crc_t10dif xfs exportfs uhci_hcd ohci_hcd ehci_hcd [last unloaded : microcode] Pid: 8, comm: sirq-block/0 Tainted: G D 2.6.31-rt10 #1 2241B48 RIP: 0010:[<ffffffff81045fcf>] [<ffffffff81045fcf>] task_rq_lock+0x41/0x9c RSP: 0018:ffff88013bb15a30 EFLAGS: 00010046 RAX: 000000002b122108 RBX: 0000000000221a00 RCX: ffff88013bb15bd0 RDX: 00000000bd4f4834 RSI: 0000000000000001 RDI: 0000000000000003 RBP: ffff88013bb15a60 R08: 0000000000000002 R09: 0000000000000001 R10: 0000000035ffad5e R11: 0000000000000046 R12: 0000000000221a00 R13: ffff88013bb15a88 R14: ffff8801300fc700 R15: ffff8801300fc700 FS: 0000000000000000(0000) GS:ffff88002be00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00000000d9f9a490 CR3: 0000000118cf2000 CR4: 00000000000026f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Process sirq-block/0 (pid: 8, threadinfo ffff88013bb14000, task ffff88013bb10200 ) Stack: ffff8801300fce60 00000000bd4f4834 0000000000000032 ffff8801300fc700 <0> ffff88013bb15b80 ffff880137c133b8 ffff88013bb15ac0 ffffffff810520ea <0> ffff88013bb15bb8 ffff8801300fcea0 ffffffff8142a700 0000000000000046 Call Trace: [<ffffffff810520ea>] task_setprio+0x42/0x1d2 [<ffffffff8109d4eb>] __rt_mutex_adjust_prio+0x2f/0x4a [<ffffffff8109dc3c>] task_blocks_on_rt_mutex+0x13a/0x1b0 [<ffffffff814124a4>] rt_spin_lock_slowlock+0x105/0x29e [<ffffffff8141239f>] ? rt_spin_lock_slowlock+0x0/0x29e [<ffffffff8109e3cc>] rt_spin_lock_fastlock+0x67/0x82 [<ffffffff814130dd>] rt_spin_lock+0x2e/0x68 [<ffffffffa00af5b3>] ? scsi_device_unbusy+0x3a/0xd1 [scsi_mod] [<ffffffffa00af617>] scsi_device_unbusy+0x9e/0xd1 [scsi_mod] [<ffffffffa00a7aa7>] scsi_finish_command+0x36/0x11f [scsi_mod] [<ffffffffa00afcb7>] scsi_softirq_done+0x133/0x153 [scsi_mod] [<ffffffff8120f58b>] blk_done_softirq+0x87/0xad [<ffffffff81061b8e>] ksoftirqd+0x160/0x28f [<ffffffff81061a2e>] ? ksoftirqd+0x0/0x28f [<ffffffff81061a2e>] ? ksoftirqd+0x0/0x28f [<ffffffff8107fe9e>] kthread+0xad/0xb5 [<ffffffff81412bb6>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff810e193e>] ? time_hardirqs_on+0x29/0x7d [<ffffffff8100d15a>] child_rip+0xa/0x20 [<ffffffff8100cac0>] ? restore_args+0x0/0x30 [<ffffffff8107fdf1>] ? kthread+0x0/0xb5 [<ffffffff8100d150>] ? child_rip+0x0/0x20 Code: 00 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 45 d8 31 c0 9c 58 fa 49 89 45 00 4c 89 e3 e8 c0 e6 04 00 49 8b 46 08 8b 40 18 <48> 03 1c c5 50 9c 68 81 48 89 df e8 92 dd 3c 00 49 8b 46 08 8b RIP [<ffffffff81045fcf>] task_rq_lock+0x41/0x9c RSP <ffff88013bb15a30> CR2: 00000000d9f9a490 ---[ end trace 00b40f39bfa88a0e ]--- note: sirq-block/0[8] exited with preempt_count 2 Kernel panic - not syncing: Fatal exception in interrupt BUG: spinlock lockup on CPU#1, Xorg/2602, ffff88002c24ba00 Pid: 2602, comm: Xorg Tainted: G D 2.6.31-rt10 #1 Call Trace: <IRQ> [<ffffffff8122a929>] _raw_spin_lock+0x11c/0x15d [<ffffffff81413ddc>] _atomic_spin_lock+0x6b/0x94 [<ffffffff81054344>] ? scheduler_tick+0x55/0x280 [<ffffffff810872c6>] ? sched_clock_tick+0x82/0x105 [<ffffffff81054344>] scheduler_tick+0x55/0x280 [<ffffffff810698a7>] update_process_times+0x3f/0x80 [<ffffffff81090020>] tick_sched_timer+0x82/0xc2 [<ffffffff81413a4c>] ? _atomic_spin_unlock+0x56/0x71 [<ffffffff8108ff9e>] ? tick_sched_timer+0x0/0xc2 [<ffffffff81083a5e>] __run_hrtimer+0x89/0xd5 [<ffffffff81084046>] ? hrtimer_interrupt+0xd0/0x1a9 [<ffffffff8108409d>] hrtimer_interrupt+0x127/0x1a9 [<ffffffff810e1606>] ? time_hardirqs_off+0x51/0x70 [<ffffffff810e1606>] ? time_hardirqs_off+0x51/0x70 [<ffffffff8102784e>] smp_apic_timer_interrupt+0x94/0xbe [<ffffffff8100cc33>] apic_timer_interrupt+0x13/0x20 <EOI> BUG: spinlock lockup on CPU#0, depmod/1942, ffff88002c24ba00 Pid: 1942, comm: depmod Tainted: G D 2.6.31-rt10 #1 Call Trace: <IRQ> [<ffffffff8122a929>] _raw_spin_lock+0x11c/0x15d [<ffffffff81413ddc>] _atomic_spin_lock+0x6b/0x94 [<ffffffff81049f6b>] ? sched_rt_period_timer+0xb3/0x1e4 [<ffffffff81413a4c>] ? _atomic_spin_unlock+0x56/0x71 [<ffffffff81049f6b>] sched_rt_period_timer+0xb3/0x1e4 [<ffffffff81049eb8>] ? sched_rt_period_timer+0x0/0x1e4 [<ffffffff81083a5e>] __run_hrtimer+0x89/0xd5 [<ffffffff81084046>] ? hrtimer_interrupt+0xd0/0x1a9 [<ffffffff8108409d>] hrtimer_interrupt+0x127/0x1a9 [<ffffffff8102784e>] smp_apic_timer_interrupt+0x94/0xbe [<ffffffff8100cc33>] apic_timer_interrupt+0x13/0x20 <EOI> [<ffffffff8141140f>] ? preempt_schedule+0x55/0x98 [<ffffffff8103ffd3>] ? need_resched+0x0/0x4f [<ffffffff81411432>] ? preempt_schedule+0x78/0x98 [<ffffffff81413b7a>] ? _atomic_spin_unlock_irqrestore+0x76/0x91 [<ffffffff8141235b>] ? rt_spin_lock_slowunlock+0x58/0x9c [<ffffffff8141316e>] ? rt_spin_unlock+0x57/0x72 [<ffffffff81100125>] ? __remove_mapping+0x62/0x10e [<ffffffff811001a1>] ? __remove_mapping+0xde/0x10e [<ffffffff81100c18>] ? shrink_page_list+0x588/0x6f0 [<ffffffff81095670>] ? trace_hardirqs_on+0x20/0x36 [<ffffffff810e18d4>] ? trace_preempt_on+0x2c/0x6d [<ffffffff81416d54>] ? sub_preempt_count+0xad/0xd7 [<ffffffff811012d6>] ? shrink_list+0x2e5/0x5b0 [<ffffffff81095670>] ? trace_hardirqs_on+0x20/0x36 [<ffffffff810fc6b9>] ? throttle_vm_writeout+0x43/0xb4 [<ffffffff81101850>] ? shrink_zone+0x2af/0x38a [<ffffffff8110297e>] ? try_to_free_pages+0xde/0x3cd [<ffffffff810ff671>] ? count_vm_event+0x4e/0x8c [<ffffffff81416d54>] ? sub_preempt_count+0xad/0xd7 [<ffffffff81102af0>] ? try_to_free_pages+0x250/0x3cd [<ffffffff810ff744>] ? isolate_pages_global+0x0/0x1fc [<ffffffff810faf52>] ? __alloc_pages_nodemask+0x44a/0x640 [<ffffffff811287ac>] ? alloc_page_vma+0xda/0xf0 [<ffffffff8110f702>] ? handle_mm_fault+0x190/0x68e [<ffffffff8109fccf>] ? rt_down_read_trylock+0x81/0xa1 [<ffffffff81416c75>] ? do_page_fault+0x29f/0x2d1 [<ffffffff81412bf5>] ? trace_hardirqs_off_thunk+0x3a/0x3c [<ffffffff814142cf>] ? page_fault+0x1f/0x30 [<ffffffff810f2a5f>] ? file_read_actor+0x60/0x15f [<ffffffff810f3335>] ? find_get_page+0x84/0xaa [<ffffffff8104003e>] ? should_resched+0x1c/0x51 [<ffffffff810f4fde>] ? generic_file_aio_read+0x374/0x5cb [<ffffffffa007fd5e>] ? xfs_read+0x183/0x205 [xfs] [<ffffffffa007b7ed>] ? xfs_file_aio_read+0x7b/0x92 [xfs] [<ffffffff81138685>] ? do_sync_read+0xf9/0x152 [<ffffffff8112b1f7>] ? kmem_cache_free+0x54/0xdf [<ffffffff81080352>] ? autoremove_wake_function+0x0/0x5e [<ffffffff81416d54>] ? sub_preempt_count+0xad/0xd7 [<ffffffff811ce9f4>] ? security_file_permission+0x24/0x3a [<ffffffff81412bb6>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff811393a3>] ? vfs_read+0xbe/0x12f [<ffffffff81139510>] ? sys_read+0x59/0x99 [<ffffffff8100bfeb>] ? system_call_fastpath+0x16/0x1b -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
