Package: linux-image-2.6.32-5-xen-amd64
Version: 2.6.32-5-xen-amd64 (2.6.32-26)
Severity: critical
Tags: squeeze
Justification: breaks the whole system
My dom0 crashed unexpectedly with the following error:
Nov 9 08:20:06 n2c1 kernel: [544983.843772] BUG: unable to handle kernel NULL
pointer dereference at 000000000000001d
Nov 9 08:20:06 n2c1 kernel: [544983.843835] IP: [<ffffffffa051a718>]
disk_execute_cmnd+0x7b/0x233 [iscsi_trgt]
Nov 9 08:20:06 n2c1 kernel: [544983.843892] PGD 1ee60c067 PUD 1ee081067 PMD 0
Nov 9 08:20:06 n2c1 kernel: [544983.843931] Oops: 0000 [#1] SMP
Nov 9 08:20:06 n2c1 kernel: [544983.843964] last sysfs file:
/sys/module/drbd/parameters/cn_idx
Nov 9 08:20:06 n2c1 kernel: [544983.843995] CPU 2
Nov 9 08:20:06 n2c1 kernel: [544983.844021] Modules linked in: crc32c
xfrm_user ah6 ah4 esp6 xfrm4_mode_beet xfrm4_tunnel xfrm4_mode_transport
xfrm6_mode_transport xfrm6_mode_ro xfrm6_mode_beet ipcomp ipcomp6 xfrm6_tunnel
af_key iscsi_trgt drbd lru_cache cn act_police cls_flow cls_fw cls_u32 sch_htb
sch_hfsc sch_ingress sch_sfq xt_time xt_connlimit xt_realm iptable_raw
xt_comment xt_recent xt_policy ipt_ULOG ipt_REJECT ipt_REDIRECT ipt_NETMAP
ipt_MASQUERADE ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah ipt_addrtype nf_nat_tftp
nf_nat_snmp_basic nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc
nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda
nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_sctp
nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink
nf_conntrack_netbios_ns nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp
xt_TPROXY nf_tproxy_core xt_tcpmss xt_pkttype xt_owner xt_NFQUEUE xt_NFLOG
nfnetlink_log xt_multiport xt_MARK xt_mark
xt_mac xt_limit xt_length xt_ipran
Nov 9 08:20:06 n2c1 kernel: ge xt_helper xt_hashlimit xt_DSCP xt_dscp xt_dccp
xt_conntrack xt_CONNMARK xt_connmark xt_CLASSIFY iptable_nat nf_nat
iptable_mangle nfnetlink ipt_LOG xt_tcpudp aoe nf_conntrack_ipv4 nf_defrag_ipv4
xt_state nf_conntrack xt_physdev authenc deflate zlib_deflate ctr camellia
cast5 rmd160 sha1_generic hmac crypto_null ccm serpent blowfish twofish
twofish_common ecb xcbc cbc sha256_generic sha512_generic des_generic
aes_x86_64 ip6table_filter aes_generic ip6_tables xen_evtchn xenfs
iptable_filter ip_tables x_tables esp4 tunnel4 xfrm4_mode_tunnel
xfrm6_mode_tunnel xfrm_ipcomp tunnel6 rng_core acpi_cpufreq cpufreq_userspace
cpufreq_stats cpufreq_powersave cpufreq_conservative openvswitch_mod ib_iser
rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp
libiscsi scsi_transport_iscsi ext3 jbd mbcache loop snd_pcm snd_timer snd
soundcore snd_page_alloc pcspkr psmouse evdev i2c_i801 serio_raw i2c_core xfs
exportfs dm_mod processor thermal_s
ys acpi_processor aacraid 3w_9xxx 3w_x
Nov 9 08:20:06 n2c1 kernel: xxx raid10 raid456 async_raid6_recov async_pq
raid6_pq async_xor xor async_memcpy async_tx raid1 raid0 md_mod sata_nv
sata_sil sata_via sd_mod crc_t10dif ahci libata r8169 scsi_mod uhci_hcd mii
ehci_hcd usbcore nls_base [last unloaded: crc32c]
Nov 9 08:20:06 n2c1 kernel: [544983.845577] Pid: 15411, comm: istiod5 Not
tainted 2.6.32-5-xen-amd64 #1 MS-7522
Nov 9 08:20:06 n2c1 kernel: [544983.845625] RIP: e030:[<ffffffffa051a718>]
[<ffffffffa051a718>] disk_execute_cmnd+0x7b/0x233 [iscsi_trgt]
Nov 9 08:20:06 n2c1 kernel: [544983.845686] RSP: e02b:ffff8801529cfe50
EFLAGS: 00010246
Nov 9 08:20:06 n2c1 kernel: [544983.845715] RAX: 0000000000000000 RBX:
ffff8800422893b8 RCX: ffff88012c3730b8
Nov 9 08:20:06 n2c1 kernel: [544983.845764] RDX: ffff88012c3730b8 RSI:
0000000000000000 RDI: ffff88012c3730b0
Nov 9 08:20:06 n2c1 kernel: [544983.845812] RBP: ffff880042289380 R08:
ffff8801529ce000 R09: ffff88000ab36780
Nov 9 08:20:06 n2c1 kernel: [544983.845860] R10: ffff8801529cfcb0 R11:
ffff880139f64000 R12: ffff88012c370000
Nov 9 08:20:06 n2c1 kernel: [544983.845908] R13: ffff8801ec472a60 R14:
ffff8801ecc5d8b8 R15: ffff8801ec472a60
Nov 9 08:20:06 n2c1 kernel: [544983.845960] FS: 00007fd72737f700(0000)
GS:ffff88000ab21000(0000) knlGS:0000000000000000
Nov 9 08:20:06 n2c1 kernel: [544983.846010] CS: e033 DS: 0000 ES: 0000 CR0:
000000008005003b
Nov 9 08:20:06 n2c1 kernel: [544983.846041] CR2: 000000000000001d CR3:
00000001ee744000 CR4: 0000000000002660
Nov 9 08:20:06 n2c1 kernel: [544983.849785] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Nov 9 08:20:06 n2c1 kernel: [544983.849833] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Nov 9 08:20:06 n2c1 kernel: [544983.849882] Process istiod5 (pid: 15411,
threadinfo ffff8801529ce000, task ffff8801ec472a60)
Nov 9 08:20:06 n2c1 kernel: [544983.849932] Stack:
Nov 9 08:20:06 n2c1 kernel: [544983.849955] ffff8801ec472a60 ffff8801ec472a60
ffff8801ecc5d8a0 ffffffffa0517065
Nov 9 08:20:06 n2c1 kernel: [544983.849999] <0> 00000004ed373f00
ffff8801ecc5d8c8 0000000000000000 ffff8801ec472a60
Nov 9 08:20:06 n2c1 kernel: [544983.850065] <0> ffffffff8104b172
ffff88011a60de98 ffff88012af55e98 ffff8801ec472a98
Nov 9 08:20:06 n2c1 kernel: [544983.850150] Call Trace:
Nov 9 08:20:06 n2c1 kernel: [544983.850179] [<ffffffffa0517065>] ?
worker_thread+0x12c/0x254 [iscsi_trgt]
Nov 9 08:20:06 n2c1 kernel: [544983.850215] [<ffffffff8104b172>] ?
default_wake_function+0x0/0x9
Nov 9 08:20:06 n2c1 kernel: [544983.850248] [<ffffffffa0516f39>] ?
worker_thread+0x0/0x254 [iscsi_trgt]
Nov 9 08:20:06 n2c1 kernel: [544983.850282] [<ffffffff81065831>] ?
kthread+0x79/0x81
Nov 9 08:20:06 n2c1 kernel: [544983.850313] [<ffffffff81012baa>] ?
child_rip+0xa/0x20
Nov 9 08:20:06 n2c1 kernel: [544983.850344] [<ffffffff81011d61>] ?
int_ret_from_sys_call+0x7/0x1b
Nov 9 08:20:06 n2c1 kernel: [544983.850376] [<ffffffff8101251d>] ?
retint_restore_args+0x5/0x6
Nov 9 08:20:06 n2c1 kernel: [544983.850408] [<ffffffff81012ba0>] ?
child_rip+0x0/0x20
Nov 9 08:20:06 n2c1 kernel: [544983.850437] Code: 00 00 00 48 8b 78 10 8b 36
e8 1f 21 00 00 48 89 c7 e8 a9 20 00 00 eb 38 48 8b 55 30 48 8b 45 28 8b 32 48
8b 78 10 e8 db 21 00 00 <0f> b6 48 1d 0f b6 50 1c 48 89 c3 48 89 ef be 06 00 00
00 e8 ac
Nov 9 08:20:06 n2c1 kernel: [544983.850751] RIP [<ffffffffa051a718>]
disk_execute_cmnd+0x7b/0x233 [iscsi_trgt]
Nov 9 08:20:06 n2c1 kernel: [544983.850806] RSP <ffff8801529cfe50>
Nov 9 08:20:06 n2c1 kernel: [544983.850832] CR2: 000000000000001d
Nov 9 08:20:06 n2c1 kernel: [544983.851050] ---[ end trace 5b3baaf466820235
]---
Nov 9 08:20:07 n2c1 kernel: [544985.110388] BUG: unable to handle kernel NULL
pointer dereference at (null)
Nov 9 08:20:07 n2c1 kernel: [544985.110512] IP: [<(null)>] (null)
Nov 9 08:20:07 n2c1 kernel: [544985.110593] PGD 1ee60c067 PUD 1ee081067 PMD 0
Nov 9 08:20:07 n2c1 kernel: [544985.110733] Oops: 0010 [#2] SMP
Nov 9 08:20:07 n2c1 kernel: [544985.110842] last sysfs file:
/sys/module/drbd/parameters/cn_idx
Nov 9 08:20:07 n2c1 kernel: [544985.110898] CPU 0
Nov 9 08:20:07 n2c1 kernel: [544985.110975] Modules linked in: crc32c
xfrm_user ah6 ah4 esp6 xfrm4_mode_beet xfrm4_tunnel xfrm4_mode_transport
xfrm6_mode_transport xfrm6_mode_ro xfrm6_mode_beet ipcomp ipcomp6 xfrm6_tunnel
af_key iscsi_trgt drbd lru_cache cn act_police cls_flow cls_fw cls_u32 sch_htb
sch_hfsc sch_ingress sch_sfq xt_time xt_connlimit xt_realm iptable_raw
xt_comment xt_recent xt_policy ipt_ULOG ipt_REJECT ipt_REDIRECT ipt_NETMAP
ipt_MASQUERADE ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah ipt_addrtype nf_nat_tftp
nf_nat_snmp_basic nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc
nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda
nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_sctp
nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink
nf_conntrack_netbios_ns nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp
xt_TPROXY nf_tproxy_core xt_tcpmss xt_pkttype xt_owner xt_NFQUEUE xt_NFLOG
nfnetlink_log xt_multiport xt_MARK xt_mark
xt_mac xt_limit xt_length xt_ipran
Nov 9 08:20:07 n2c1 kernel: ge xt_helper xt_hashlimit xt_DSCP xt_dscp xt_dccp
xt_conntrack xt_CONNMARK xt_connmark xt_CLASSIFY iptable_nat nf_nat
iptable_mangle nfnetlink ipt_LOG xt_tcpudp aoe nf_conntrack_ipv4 nf_defrag_ipv4
xt_state nf_conntrack xt_physdev authenc deflate zlib_deflate ctr camellia
cast5 rmd160 sha1_generic hmac crypto_null ccm serpent blowfish twofish
twofish_common ecb xcbc cbc sha256_generic sha512_generic des_generic
aes_x86_64 ip6table_filter aes_generic ip6_tables xen_evtchn xenfs
iptable_filter ip_tables x_tables esp4 tunnel4 xfrm4_mode_tunnel
xfrm6_mode_tunnel xfrm_ipcomp tunnel6 rng_core acpi_cpufreq cpufreq_userspace
cpufreq_stats cpufreq_powersave cpufreq_conservative openvswitch_mod ib_iser
rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp
libiscsi scsi_transport_iscsi ext3 jbd mbcache loop snd_pcm snd_timer snd
soundcore snd_page_alloc pcspkr psmouse evdev i2c_i801 serio_raw i2c_core xfs
exportfs dm_mod processor thermal_s
ys acpi_processor aacraid 3w_9xxx 3w_x
Nov 9 08:20:07 n2c1 kernel: xxx raid10 raid456 async_raid6_recov async_pq
raid6_pq async_xor xor async_memcpy async_tx raid1 raid0 md_mod sata_nv
sata_sil sata_via sd_mod crc_t10dif ahci libata r8169 scsi_mod uhci_hcd mii
ehci_hcd usbcore nls_base [last unloaded: crc32c]
Nov 9 08:20:07 n2c1 kernel: [544985.117866] Pid: 15407, comm: istd5 Tainted: G
D 2.6.32-5-xen-amd64 #1 MS-7522
Nov 9 08:20:07 n2c1 kernel: [544985.117942] RIP: e030:[<0000000000000000>]
[<(null)>] (null)
Nov 9 08:20:07 n2c1 kernel: [544985.118027] RSP: e02b:ffff8801529cdc58
EFLAGS: 00010012
Nov 9 08:20:07 n2c1 kernel: [544985.118082] RAX: ffff8801529cfe98 RBX:
ffffffffffffffe8 RCX: 0000000000000000
Nov 9 08:20:07 n2c1 kernel: [544985.118155] RDX: 0000000000000000 RSI:
0000000000000003 RDI: ffff8801529cfe80
Nov 9 08:20:07 n2c1 kernel: [544985.118229] RBP: 0000000000000001 R08:
ffff8801529cfe80 R09: ffff8801529cdbf0
Nov 9 08:20:07 n2c1 kernel: [544985.118302] R10: 0000000000000000 R11:
ffffffff8100f03c R12: 0000000000000000
Nov 9 08:20:07 n2c1 kernel: [544985.118376] R13: ffff8801ecc5d8d0 R14:
0000000000000000 R15: 0000000000000000
Nov 9 08:20:07 n2c1 kernel: [544985.118452] FS: 00007fd72737f700(0000)
GS:ffff88000aae5000(0000) knlGS:0000000000000000
Nov 9 08:20:07 n2c1 kernel: [544985.118527] CS: e033 DS: 0000 ES: 0000 CR0:
000000008005003b
Nov 9 08:20:07 n2c1 kernel: [544985.118583] CR2: 0000000000000000 CR3:
00000001ee744000 CR4: 0000000000002660
Nov 9 08:20:07 n2c1 kernel: [544985.118657] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Nov 9 08:20:07 n2c1 kernel: [544985.118731] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Nov 9 08:20:07 n2c1 kernel: [544985.118804] Process istd5 (pid: 15407,
threadinfo ffff8801529cc000, task ffff8801ec473f90)
Nov 9 08:20:07 n2c1 kernel: [544985.118880] Stack:
Nov 9 08:20:07 n2c1 kernel: [544985.118928] ffffffff8103b8bd 00000003ecea8e00
ffff8801ecc5d8c8 ffff88012c372000
Nov 9 08:20:07 n2c1 kernel: [544985.119073] <0> 0000000000000000
0000000000000001 ffff88012c370260 0000000000000003
Nov 9 08:20:07 n2c1 kernel: [544985.119291] <0> ffffffff810408c9
ffff88001060e888 0000000000010fee ffff88012c372098
Nov 9 08:20:07 n2c1 kernel: [544985.119553] Call Trace:
Nov 9 08:20:07 n2c1 kernel: [544985.119607] [<ffffffff8103b8bd>] ?
__wake_up_common+0x44/0x72
Nov 9 08:20:07 n2c1 kernel: [544985.119664] [<ffffffff810408c9>] ?
__wake_up+0x30/0x44
Nov 9 08:20:07 n2c1 kernel: [544985.119723] [<ffffffffa051453f>] ?
iscsi_session_push_cmnd+0x1e7/0x29b [iscsi_trgt]
Nov 9 08:20:07 n2c1 kernel: [544985.119823] [<ffffffff8100e5b5>] ?
xen_force_evtchn_callback+0x9/0xa
Nov 9 08:20:07 n2c1 kernel: [544985.119882] [<ffffffff8100ec72>] ?
check_events+0x12/0x20
Nov 9 08:20:07 n2c1 kernel: [544985.119940] [<ffffffffa051485e>] ?
cmnd_rx_end+0x26b/0x2ca [iscsi_trgt]
Nov 9 08:20:07 n2c1 kernel: [544985.120000] [<ffffffffa05160ab>] ?
istd+0x534/0x1159 [iscsi_trgt]
Nov 9 08:20:07 n2c1 kernel: [544985.120059] [<ffffffff8128ec26>] ?
tcp_sendpage+0x0/0x458
Nov 9 08:20:07 n2c1 kernel: [544985.120116] [<ffffffff8100f03c>] ?
xen_smp_send_reschedule+0x0/0x7
Nov 9 08:20:07 n2c1 kernel: [544985.120175] [<ffffffffa0515b77>] ?
istd+0x0/0x1159 [iscsi_trgt]
Nov 9 08:20:07 n2c1 kernel: [544985.120233] [<ffffffff81065831>] ?
kthread+0x79/0x81
Nov 9 08:20:07 n2c1 kernel: [544985.120289] [<ffffffff81012baa>] ?
child_rip+0xa/0x20
Nov 9 08:20:07 n2c1 kernel: [544985.120345] [<ffffffff81011d61>] ?
int_ret_from_sys_call+0x7/0x1b
Nov 9 08:20:07 n2c1 kernel: [544985.120402] [<ffffffff8101251d>] ?
retint_restore_args+0x5/0x6
Nov 9 08:20:07 n2c1 kernel: [544985.120459] [<ffffffff81012ba0>] ?
child_rip+0x0/0x20
Nov 9 08:20:07 n2c1 kernel: [544985.120514] Code: Bad RIP value.
Nov 9 08:20:07 n2c1 kernel: [544985.120626] RIP [<(null)>] (null)
Nov 9 08:20:07 n2c1 kernel: [544985.120706] RSP <ffff8801529cdc58>
Nov 9 08:20:07 n2c1 kernel: [544985.120757] CR2: 0000000000000000
Nov 9 08:20:07 n2c1 kernel: [544985.120810] ---[ end trace 5b3baaf466820236
]---
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