平衡点

2009/09/15

_ JFS のディスクを umount したらセグフォった件

...ほーう?.

kern.log は以下

kernel: imklog 3.18.6, log source = /proc/kmsg started.
kernel:  ------------[ cut here ]------------
kernel:  kernel BUG at fs/jfs/super.c:119!
kernel:  invalid opcode: 0000 [1] SMP 
kernel:  CPU 1 
kernel:  Modules linked in: ipt_REJECT xt_tcpudp nf_conntrack_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables jfs nls_base loop snd_pcm snd_timer snd soundcore snd_page_alloc ipmi_si ipmi_msghandler psmouse pcspkr rng_core serio_raw hpilo container button i5000_edac edac_core shpchp pci_hotplug evdev ipv6 ext3 jbd mbcache ide_cd_mod cdrom usbhid hid ff_memless ata_generic libata dock ide_pci_generic sd_mod piix ide_core ehci_hcd bnx2 uhci_hcd mptsas mptscsih mptbase qla2xxx scsi_transport_sas firmware_class scsi_transport_fc scsi_tgt cciss scsi_mod thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
kernel:  Pid: 19944, comm: umount Not tainted 2.6.26-2-amd64 #1
kernel:  RIP: 0010:[<ffffffffa02b5a35>]  [<ffffffffa02b5a35>] :jfs:jfs_destroy_inode+0x1d/0xda
kernel:  RSP: 0018:ffff810226821da8  EFLAGS: 00010283
kernel:  RAX: ffff8101b46611b0 RBX: ffff8101b46613a8 RCX: ffff810226821df8
kernel:  RDX: 0000000000000007 RSI: ffff8101b46615b0 RDI: ffff8101b46613a8
kernel:  RBP: ffff8101b4661140 R08: 0000000000000008 R09: ffff810001102a80
kernel:  R10: 0000000000000002 R11: ffffffffa02b5a18 R12: 000000000001df2f
kernel:  R13: ffff810226821df8 R14: ffff8101c46cc3c8 R15: 0000000000000001
kernel:  FS:  00007ff5770c9730(0000) GS:ffff81022ec848c0(0000) knlGS:0000000000000000
kernel:  CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
kernel:  CR2: 00007f5b5b5294c0 CR3: 000000018509d000 CR4: 00000000000006e0
kernel:  DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kernel:  DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
kernel:  Process umount (pid: 19944, threadinfo ffff810226820000, task ffff81022d9670e0)
kernel:  Stack:  ffff8101b46615b0 ffff8101b46613b8 ffff8101b46613a8 ffffffff802ad483
kernel:   ffffffff802ad764 ffff8101b41dec18 ffff81022bca10c0 000000000001df84
kernel:   ffff81022bca10c0 ffffffff802ad77b ffff8101b4661850 ffff8101c46cc3b8
kernel:  Call Trace:
kernel:   [<ffffffff802ad483>] ? dispose_list+0xbf/0xee
kernel:   [<ffffffff802ad764>] ? invalidate_inodes+0xb2/0xe7
kernel:   [<ffffffff802ad77b>] ? invalidate_inodes+0xc9/0xe7
kernel:   [<ffffffff8029caae>] ? generic_shutdown_super+0x39/0xee
kernel:   [<ffffffff8029cb70>] ? kill_block_super+0xd/0x1e
kernel:   [<ffffffff8029cc2c>] ? deactivate_super+0x5f/0x78
kernel:   [<ffffffff802aff44>] ? sys_umount+0x2f9/0x353
kernel:   [<ffffffff80221fbc>] ? do_page_fault+0x5d8/0x9c8
kernel:   [<ffffffff8029e20c>] ? sys_newstat+0x19/0x31
kernel:   [<ffffffff8031e0cb>] ? __up_write+0x21/0x10e
kernel:   [<ffffffff8020beca>] ? system_call_after_swapgs+0x8a/0x8f
kernel:  
kernel:  
kernel:  Code: 31 f6 48 89 df e8 5c 60 01 00 5b 31 c0 c3 55 48 8d af 98 fd ff ff 53 48 8d 45 70 48 89 fb 48 83 ec 08 48 39 87 08 fe ff ff 74 04 <0f> 0b eb fe 48 8d 7d 6c e8 b5 48 17 e0 8a 8b fb fd ff ff 80 f9 
kernel:  RIP  [<ffffffffa02b5a35>] :jfs:jfs_destroy_inode+0x1d/0xda
kernel:   RSP <ffff810226821da8>
kernel:  ---[ end trace b55d66e67224e5f6 ]---
kernel:  ------------[ cut here ]------------
kernel:  WARNING: at kernel/exit.c:972 do_exit+0x3c/0x6a6()
kernel:  Modules linked in: ipt_REJECT xt_tcpudp nf_conntrack_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables jfs nls_base loop snd_pcm snd_timer snd soundcore snd_page_alloc ipmi_si ipmi_msghandler psmouse pcspkr rng_core serio_raw hpilo container button i5000_edac edac_core shpchp pci_hotplug evdev ipv6 ext3 jbd mbcache ide_cd_mod cdrom usbhid hid ff_memless ata_generic libata dock ide_pci_generic sd_mod piix ide_core ehci_hcd bnx2 uhci_hcd mptsas mptscsih mptbase qla2xxx scsi_transport_sas firmware_class scsi_transport_fc scsi_tgt cciss scsi_mod thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
kernel:  Pid: 19944, comm: umount Tainted: G      D   2.6.26-2-amd64 #1
kernel:  
kernel:  Call Trace:
kernel:   [<ffffffff80234a2c>] warn_on_slowpath+0x51/0x7a
kernel:   [<ffffffff80228999>] enqueue_task+0x56/0x61
kernel:   [<ffffffff80235481>] printk+0x4e/0x56
kernel:   [<ffffffff802377a7>] do_exit+0x3c/0x6a6
kernel:   [<ffffffff8020d380>] oops_begin+0x0/0x96
kernel:   [<ffffffff8020e68d>] do_invalid_op+0x94/0x9e
kernel:   [<ffffffffa02b5a35>] :jfs:jfs_destroy_inode+0x1d/0xda
kernel:   [<ffffffff80272eb8>] find_get_pages+0x2f/0x6d
kernel:   [<ffffffff8042a599>] error_exit+0x0/0x60
kernel:   [<ffffffffa02b5a18>] :jfs:jfs_destroy_inode+0x0/0xda
kernel:   [<ffffffffa02b5a35>] :jfs:jfs_destroy_inode+0x1d/0xda
kernel:   [<ffffffff80246210>] wake_up_bit+0x11/0x22
kernel:   [<ffffffff802ad483>] dispose_list+0xbf/0xee
kernel:   [<ffffffff802ad764>] invalidate_inodes+0xb2/0xe7
kernel:   [<ffffffff802ad77b>] invalidate_inodes+0xc9/0xe7
kernel:   [<ffffffff8029caae>] generic_shutdown_super+0x39/0xee
kernel:   [<ffffffff8029cb70>] kill_block_super+0xd/0x1e
kernel:   [<ffffffff8029cc2c>] deactivate_super+0x5f/0x78
kernel:   [<ffffffff802aff44>] sys_umount+0x2f9/0x353
kernel:   [<ffffffff80221fbc>] do_page_fault+0x5d8/0x9c8
kernel:   [<ffffffff8029e20c>] sys_newstat+0x19/0x31
kernel:   [<ffffffff8031e0cb>] __up_write+0x21/0x10e
kernel:   [<ffffffff8020beca>] system_call_after_swapgs+0x8a/0x8f
kernel:  
kernel:  ---[ end trace b55d66e67224e5f6 ]---

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