On Sunday 26 August 2012 11:42 PM, mailing list subscriber wrote: > root@sysresccd /root % smartctl -i /dev/sdb > smartctl 5.42 2011-10-20 r3458 [i686-linux-3.2.19-std280-i586] (local build) > Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net > > Vendor: IET > Product: VIRTUAL-DISK > Revision: 0 > User Capacity: 1,000,204,746,752 bytes [1.00 TB] > Logical block size: 512 bytes > ^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C
Also, could you run the command under strace? > > on server: > > Aug 26 20:39:16 homerouter kernel: [ 664.952746] iscsi_trgt: BUG at > /var/lib/dkms/iscsitarget/1.4.20.2/build/kernel/iscsi.c:392 > assert(req->tio) > Aug 26 20:39:16 homerouter kernel: [ 664.952755] Pid: 3275, comm: > istiod1 Tainted: G O 3.2.0-3-amd64 #1 > Aug 26 20:39:16 homerouter kernel: [ 664.952759] Call Trace: > Aug 26 20:39:16 homerouter kernel: [ 664.952771] > [<ffffffffa04df3f1>] ? send_data_rsp+0x45/0x1f4 [iscsi_trgt] > Aug 26 20:39:16 homerouter kernel: [ 664.952778] > [<ffffffffa04e8093>] ? ua_pending+0x19/0xa5 [iscsi_trgt] > Aug 26 20:39:16 homerouter kernel: [ 664.952785] > [<ffffffffa04e6da8>] ? disk_execute_cmnd+0x1cf/0x22d [iscsi_trgt] Something is wrong here? I would be interested to see what cmnd was execed and why the UA is stuck. > Aug 26 20:39:16 homerouter kernel: [ 664.952792] > [<ffffffffa04e2a3d>] ? worker_thread+0xfd/0x255 [iscsi_trgt] > Aug 26 20:39:16 homerouter kernel: [ 664.952799] > [<ffffffff8103f48f>] ? try_to_wake_up+0x197/0x197 > Aug 26 20:39:16 homerouter kernel: [ 664.952805] > [<ffffffffa04e2940>] ? nthread_stop+0x35/0x35 [iscsi_trgt] > Aug 26 20:39:16 homerouter kernel: [ 664.952811] > [<ffffffff8105efad>] ? kthread+0x76/0x7e > Aug 26 20:39:16 homerouter kernel: [ 664.952818] > [<ffffffff81351df4>] ? kernel_thread_helper+0x4/0x10 > Aug 26 20:39:16 homerouter kernel: [ 664.952823] > [<ffffffff8105ef37>] ? kthread_worker_fn+0x139/0x139 > Aug 26 20:39:16 homerouter kernel: [ 664.952828] > [<ffffffff81351df0>] ? gs_change+0x13/0x13 > Aug 26 20:39:16 homerouter kernel: [ 664.952854] ------------[ cut > here ]------------ > Aug 26 20:39:16 homerouter kernel: [ 664.952858] kernel BUG at > /var/lib/dkms/iscsitarget/1.4.20.2/build/kernel/iscsi.c:392! > Aug 26 20:39:16 homerouter kernel: [ 664.952863] invalid opcode: 0000 [#1] > SMP > Aug 26 20:39:16 homerouter kernel: [ 664.952867] CPU 0 > Aug 26 20:39:16 homerouter kernel: [ 664.952869] Modules linked in: > pppoe pppox bluetooth ppp_generic slhc drbd lru_cache cn tun > ip6table_filter ip6_tables ebtable_nat ebtables iscsi_trgt(O) crc32c > ipt_LOG ipt_REJECT xt_multiport xt_conntrack iptable_filter xt_TCPMSS > xt_tcpmss iptable_mangle ipt_MASQUERADE xt_tcpudp iptable_nat nf_nat > nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ip_tables x_tables > kvm_intel kvm ib_iser rdma_cm ib_addr iw_cm ib_cm ib_sa ib_mad ib_core > iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi fuse bridge stp > loop tpm_infineon snd_hda_codec_analog snd_hda_intel snd_hda_codec > snd_hwdep i915 snd_pcm snd_page_alloc snd_timer drm_kms_helper snd > hp_wmi asix mcs7830 drm soundcore i2c_algo_bit sparse_keymap usbnet > i2c_core rfkill iTCO_wdt iTCO_vendor_support acpi_cpufreq mperf > psmouse tpm_tis tpm video processor coretemp serio_raw pcspkr evdev > tpm_bios wmi button thermal_sys ext4 crc16 jbd2 mbcache usb_storage > uas raid1 md_mod dm_mirror dm_region_hash dm_log dm_mod sd_mod > crc_t10dif uhci_hcd ata > Aug 26 20:39:16 homerouter kernel: _generic ehci_hcd floppy ata_piix > e100 mii libata scsi_mod e1000e usbcore usb_common [last unloaded: > scsi_wait_scan] > Aug 26 20:39:16 homerouter kernel: [ 664.952979] > Aug 26 20:39:16 homerouter kernel: [ 664.952983] Pid: 3275, comm: > istiod1 Tainted: G O 3.2.0-3-amd64 #1 Hewlett-Packard HP > Compaq dc5800 Microtower/2820h > Aug 26 20:39:16 homerouter kernel: [ 664.952990] RIP: > 0010:[<ffffffffa04df3f1>] [<ffffffffa04df3f1>] > send_data_rsp+0x45/0x1f4 [iscsi_trgt] > Aug 26 20:39:16 homerouter kernel: [ 664.953000] RSP: > 0018:ffff88011368de10 EFLAGS: 00010286 > Aug 26 20:39:16 homerouter kernel: [ 664.953003] RAX: > 0000000000000000 RBX: ffff880115fe40a0 RCX: 0000000000008a05 > Aug 26 20:39:16 homerouter kernel: [ 664.953008] RDX: > 0000000000008a05 RSI: ffff88011368df58 RDI: ffff88011368df58 > Aug 26 20:39:16 homerouter kernel: [ 664.953012] RBP: > 0000000000000000 R08: 0000000000000000 R09: 0720072007200720 > Aug 26 20:39:16 homerouter kernel: [ 664.953016] R10: > 0000000000000001 R11: 0720072007200720 R12: ffff880113b8a9b0 > Aug 26 20:39:16 homerouter kernel: [ 664.953020] R13: > ffff880115d0c000 R14: ffff880115b710d8 R15: ffff880115b710e8 > Aug 26 20:39:16 homerouter kernel: [ 664.953025] FS: > 0000000000000000(0000) GS:ffff88011bc00000(0000) > knlGS:0000000000000000 > Aug 26 20:39:16 homerouter kernel: [ 664.953030] CS: 0010 DS: 0000 > ES: 0000 CR0: 000000008005003b > Aug 26 20:39:16 homerouter kernel: [ 664.953034] CR2: > 00007fcae5597600 CR3: 0000000115ea6000 CR4: 00000000000006f0 > Aug 26 20:39:16 homerouter kernel: [ 664.953039] DR0: > 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > Aug 26 20:39:16 homerouter kernel: [ 664.953043] DR3: > 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Aug 26 20:39:16 homerouter kernel: [ 664.953047] Process istiod1 > (pid: 3275, threadinfo ffff88011368c000, task ffff880113b8a9b0) > Aug 26 20:39:16 homerouter kernel: [ 664.953052] Stack: > Aug 26 20:39:16 homerouter kernel: [ 664.953054] 0000009800000000 > ffff8801130ca970 0000000000013740 ffffffffa04e8093 > Aug 26 20:39:16 homerouter kernel: [ 664.953062] ffff88011368dfd8 > ffff880115fe40a0 ffff880113b8a9b0 ffff880113b8a9b0 > Aug 26 20:39:16 homerouter kernel: [ 664.953068] ffff880115d0c000 > ffff880115b710d8 ffff880115b710e8 ffffffffa04e6da8 > Aug 26 20:39:16 homerouter kernel: [ 664.953075] Call Trace: > Aug 26 20:39:16 homerouter kernel: [ 664.953081] > [<ffffffffa04e8093>] ? ua_pending+0x19/0xa5 [iscsi_trgt] > Aug 26 20:39:16 homerouter kernel: [ 664.953088] > [<ffffffffa04e6da8>] ? disk_execute_cmnd+0x1cf/0x22d [iscsi_trgt] > Aug 26 20:39:16 homerouter kernel: [ 664.953095] > [<ffffffffa04e2a3d>] ? worker_thread+0xfd/0x255 [iscsi_trgt] > Aug 26 20:39:16 homerouter kernel: [ 664.953100] > [<ffffffff8103f48f>] ? try_to_wake_up+0x197/0x197 > Aug 26 20:39:16 homerouter kernel: [ 664.953107] > [<ffffffffa04e2940>] ? nthread_stop+0x35/0x35 [iscsi_trgt] > Aug 26 20:39:16 homerouter kernel: [ 664.953112] > [<ffffffff8105efad>] ? kthread+0x76/0x7e > Aug 26 20:39:16 homerouter kernel: [ 664.953117] > [<ffffffff81351df4>] ? kernel_thread_helper+0x4/0x10 > Aug 26 20:39:16 homerouter kernel: [ 664.953123] > [<ffffffff8105ef37>] ? kthread_worker_fn+0x139/0x139 > Aug 26 20:39:16 homerouter kernel: [ 664.953128] > [<ffffffff81351df0>] ? gs_change+0x13/0x13 > Aug 26 20:39:16 homerouter kernel: [ 664.953131] Code: 48 85 ed 75 28 > 48 c7 c1 38 9d 4e a0 ba 88 01 00 00 48 c7 c6 a7 99 4e a0 48 c7 c7 df > 99 4e a0 31 c0 e8 de 52 e6 e0 e8 19 38 e6 e0 <0f> 0b 48 89 df e8 d0 fa > ff ff 8b 55 14 39 d0 0f 46 d0 85 d2 0f > Aug 26 20:39:16 homerouter kernel: [ 664.953172] RIP > [<ffffffffa04df3f1>] send_data_rsp+0x45/0x1f4 [iscsi_trgt] > Aug 26 20:39:16 homerouter kernel: [ 664.953179] RSP <ffff88011368de10> > Aug 26 20:39:16 homerouter kernel: [ 664.953183] ---[ end trace > c7b4f131a18e1859 ]--- > Aug 26 20:39:58 homerouter kernel: [ 706.784220] iscsi_trgt: Abort > Task (01) issued on tid:1 lun:0 by sid:281474997486080 (Function > Complete) > Aug 26 20:39:58 homerouter kernel: [ 706.788733] BUG: unable to > handle kernel NULL pointer dereference at (null) > Aug 26 20:39:58 homerouter kernel: [ 706.788741] IP: [< > (null)>] (null) > Aug 26 20:39:58 homerouter kernel: [ 706.788746] PGD 115e3a067 PUD > 115e3b067 PMD 0 > Aug 26 20:39:58 homerouter kernel: [ 706.788752] Oops: 0010 [#2] SMP > Aug 26 20:39:58 homerouter kernel: [ 706.788757] CPU 0 > Aug 26 20:39:58 homerouter kernel: [ 706.788758] Modules linked in: > pppoe pppox bluetooth ppp_generic slhc drbd lru_cache cn tun > ip6table_filter ip6_tables ebtable_nat ebtables iscsi_trgt(O) crc32c > ipt_LOG ipt_REJECT xt_multiport xt_conntrack iptable_filter xt_TCPMSS > xt_tcpmss iptable_mangle ipt_MASQUERADE xt_tcpudp iptable_nat nf_nat > nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ip_tables x_tables > kvm_intel kvm ib_iser rdma_cm ib_addr iw_cm ib_cm ib_sa ib_mad ib_core > iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi fuse bridge stp > loop tpm_infineon snd_hda_codec_analog snd_hda_intel snd_hda_codec > snd_hwdep i915 snd_pcm snd_page_alloc snd_timer drm_kms_helper snd > hp_wmi asix mcs7830 drm soundcore i2c_algo_bit sparse_keymap usbnet > i2c_core rfkill iTCO_wdt iTCO_vendor_support acpi_cpufreq mperf > psmouse tpm_tis tpm video processor coretemp serio_raw pcspkr evdev > tpm_bios wmi button thermal_sys ext4 crc16 jbd2 mbcache usb_storage > uas raid1 md_mod dm_mirror dm_region_hash dm_log dm_mod sd_mod > crc_t10dif uhci_hcd ata > Aug 26 20:39:58 homerouter kernel: _generic ehci_hcd floppy ata_piix > e100 mii libata scsi_mod e1000e usbcore usb_common [last unloaded: > scsi_wait_scan] > Aug 26 20:39:58 homerouter kernel: [ 706.788869] > Aug 26 20:39:58 homerouter kernel: [ 706.788873] Pid: 3261, comm: > istd1 Tainted: G D O 3.2.0-3-amd64 #1 Hewlett-Packard HP > Compaq dc5800 Microtower/2820h > Aug 26 20:39:58 homerouter kernel: [ 706.788881] RIP: > 0010:[<0000000000000000>] [< (null)>] (null) > Aug 26 20:39:58 homerouter kernel: [ 706.788886] RSP: > 0018:ffff880113525cd8 EFLAGS: 00010087 > Aug 26 20:39:58 homerouter kernel: [ 706.788890] RAX: > ffff88011368de90 RBX: 0000000000000001 RCX: 0000000000000000 > Aug 26 20:39:58 homerouter kernel: [ 706.788894] RDX: > 0000000000000000 RSI: 0000000000000003 RDI: ffff88011368de90 > Aug 26 20:39:58 homerouter kernel: [ 706.788898] RBP: > 0000000000000003 R08: 0000000000000000 R09: 0000000000013740 > Aug 26 20:39:58 homerouter kernel: [ 706.788903] R10: > 0000000000013740 R11: ffff880112f158d0 R12: c6c166f1ffffffe9 > Aug 26 20:39:58 homerouter kernel: [ 706.788907] R13: > 0000000000000000 R14: 0000000000000000 R15: ffff880115b710f0 > Aug 26 20:39:58 homerouter kernel: [ 706.788911] FS: > 0000000000000000(0000) GS:ffff88011bc00000(0000) > knlGS:0000000000000000 > Aug 26 20:39:58 homerouter kernel: [ 706.788916] CS: 0010 DS: 0000 > ES: 0000 CR0: 000000008005003b > Aug 26 20:39:58 homerouter kernel: [ 706.788920] CR2: > 0000000000000000 CR3: 0000000115e95000 CR4: 00000000000006f0 > Aug 26 20:39:58 homerouter kernel: [ 706.788924] DR0: > 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > Aug 26 20:39:58 homerouter kernel: [ 706.788929] DR3: > 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Aug 26 20:39:58 homerouter kernel: [ 706.788933] Process istd1 (pid: > 3261, threadinfo ffff880113524000, task ffff880112f158d0) > Aug 26 20:39:58 homerouter kernel: [ 706.788938] Stack: > Aug 26 20:39:58 homerouter kernel: [ 706.788940] ffffffff810360b2 > ffff880115fe4a60 0000000000000000 000000000000004f > Aug 26 20:39:58 homerouter kernel: [ 706.788947] ffff880115b710e8 > 0000000000000286 000000000000035e 000000000000035f > Aug 26 20:39:58 homerouter kernel: [ 706.788954] ffff8801135e6098 > 0000000000000001 ffffffff81037d6e ffff880112f158d0 > Aug 26 20:39:58 homerouter kernel: [ 706.788961] Call Trace: > Aug 26 20:39:58 homerouter kernel: [ 706.788967] > [<ffffffff810360b2>] ? __wake_up_common+0x40/0x77 > Aug 26 20:39:58 homerouter kernel: [ 706.788973] > [<ffffffff81037d6e>] ? __wake_up+0x35/0x46 > Aug 26 20:39:58 homerouter kernel: [ 706.788981] > [<ffffffffa04e020c>] ? iscsi_session_push_cmnd+0x1ba/0x24f > [iscsi_trgt] > Aug 26 20:39:58 homerouter kernel: [ 706.788988] > [<ffffffff813499cf>] ? _cond_resched+0x7/0x1c > Aug 26 20:39:58 homerouter kernel: [ 706.788995] > [<ffffffffa04e1cca>] ? istd+0x500/0x101e [iscsi_trgt] > Aug 26 20:39:58 homerouter kernel: [ 706.789000] > [<ffffffff81037ec0>] ? set_next_entity+0x32/0x55 > Aug 26 20:39:58 homerouter kernel: [ 706.789006] > [<ffffffff812d9898>] ? inet_dgram_connect+0x72/0x72 > Aug 26 20:39:58 homerouter kernel: [ 706.789011] > [<ffffffff81349974>] ? __schedule+0x5ac/0x5c3 > Aug 26 20:39:58 homerouter kernel: [ 706.789018] > [<ffffffffa04e17ca>] ? nthread_wakeup+0x2c/0x2c [iscsi_trgt] > Aug 26 20:39:58 homerouter kernel: [ 706.789024] > [<ffffffff8105efad>] ? kthread+0x76/0x7e > Aug 26 20:39:58 homerouter kernel: [ 706.789030] > [<ffffffff81351df4>] ? kernel_thread_helper+0x4/0x10 > Aug 26 20:39:58 homerouter kernel: [ 706.789035] > [<ffffffff8105ef37>] ? kthread_worker_fn+0x139/0x139 > Aug 26 20:39:58 homerouter kernel: [ 706.789040] > [<ffffffff81351df0>] ? gs_change+0x13/0x13 > Aug 26 20:39:58 homerouter kernel: [ 706.789043] Code: Bad RIP value. > Aug 26 20:39:58 homerouter kernel: [ 706.789049] RIP [< > (null)>] (null) > Aug 26 20:39:58 homerouter kernel: [ 706.789053] RSP <ffff880113525cd8> > Aug 26 20:39:58 homerouter kernel: [ 706.789056] CR2: 0000000000000000 > Aug 26 20:39:58 homerouter kernel: [ 706.789059] ---[ end trace > c7b4f131a18e185a ]--- -- Ritesh Raj Sarraf RESEARCHUT - http://www.researchut.com "Necessity is the mother of invention."
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