Package: linux-2.6 Version: 2.6.32-35 Severity: normal Hi,
heavy NFS client usage seems to trigger the kernel BUG below. Fedora seems to have encountered the same on s390x, and there's even a code snippet identified, but the report timed out: https://bugzilla.redhat.com/show_bug.cgi?id=508916 Kind regards Philipp Kern -- Package-specific info: ** Version: Linux version 2.6.32-5-s390x (Debian 2.6.32-35) ([email protected]) (gcc version 4.3.5 (Debian 4.3.5-4) ) #1 SMP Tue Jun 14 09:22:54 UTC 2011 ** Command line: root=/dev/disk/by-path/ccw-0.0.5204-part2 BOOT_IMAGE=0 ** Tainted: D (128) * Kernel has oopsed before. ** Kernel log: [619921.521773] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [619921.521779] ffsb D 0000000000362ea4 0 3090 3060 0x00040000 [619921.521787] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [619921.521792] 0000000000000000 0000000000000001 0000000000000001 00000000c9bcfc60 [619921.521799] 0000000000000001 0000000000000000 00000000fac9c830 0000000000000000 [619921.521806] 0000000000000003 0000000083897300 00000000ffe40e70 0000000000368fd0 [619921.521813] 0000000000368c20 0000000000362090 00000000c9bcfc60 00000000c9bcfd68 [619921.521821] Call Trace: [619921.521823] ([<0000000000362090>] schedule+0xb0c/0xc30) [619921.521836] [<0000000000362ea4>] __mutex_lock_slowpath+0xd4/0x14c [619921.521844] [<00000000003633a2>] mutex_lock+0x4e/0x6c [619921.521849] [<000000000012f54a>] generic_file_llseek+0x36/0x74 [619921.521856] [<000000000012de98>] SyS_llseek+0x68/0xd4 [619921.521864] [<00000000000299e6>] sysc_noemu+0x10/0x16 [619921.521872] [<0000000077fca9ce>] 0x77fca9ce [622081.545953] INFO: task ffsb:3694 blocked for more than 120 seconds. [622081.545961] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [622081.545967] ffsb D 0000000000362ea4 0 3694 3671 0x00040000 [622081.545975] 0000000083897368 00000000003685d8 000000000003e60a 00000000018dbc20 [622081.545981] 00000000018dbc20 00000000ffcd0770 00000000ffcd0770 00000000018dbc60 [622081.545988] 00000000003685d8 0000000000000000 00000000fac9f380 00000000feebd238 [622081.545995] 0000000000000003 0000000083897300 00000000ffcd0738 00000000fac9f7a8 [622081.546002] 0000000000368c20 0000000000362090 00000000018dbc60 00000000018dbd68 [622081.546009] Call Trace: [622081.546012] ([<0000000000362090>] schedule+0xb0c/0xc30) [622081.546025] [<0000000000362ea4>] __mutex_lock_slowpath+0xd4/0x14c [622081.546032] [<00000000003633a2>] mutex_lock+0x4e/0x6c [622081.546038] [<000000000012f54a>] generic_file_llseek+0x36/0x74 [622081.546045] [<000000000012de98>] SyS_llseek+0x68/0xd4 [622081.546052] [<00000000000299e6>] sysc_noemu+0x10/0x16 [622081.546061] [<0000000077fca9ce>] 0x77fca9ce [622081.546083] INFO: task ffsb:3706 blocked for more than 120 seconds. [622081.546086] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [622081.546091] ffsb D 0000000000362ea4 0 3706 3671 0x00040000 [622081.546098] 0000000083887368 00000000003685d8 000000000003e60a 000000003954bc20 [622081.546104] 000000003954bc20 00000000ffcd0038 00000000ffcd0038 000000003954bc60 [622081.546111] 00000000003685d8 0000000000000000 00000000fa9f40f8 00000000feebd238 [622081.546118] 0000000000000002 0000000083887300 00000000ffcd0000 00000000fa9f4520 [622081.546125] 0000000000368c20 0000000000362090 000000003954bc60 000000003954bd68 [622081.546132] Call Trace: [622081.546134] ([<0000000000362090>] schedule+0xb0c/0xc30) [622081.546140] [<0000000000362ea4>] __mutex_lock_slowpath+0xd4/0x14c [622081.546146] [<00000000003633a2>] mutex_lock+0x4e/0x6c [622081.546152] [<000000000012f54a>] generic_file_llseek+0x36/0x74 [622081.546157] [<000000000012de98>] SyS_llseek+0x68/0xd4 [622081.546163] [<00000000000299e6>] sysc_noemu+0x10/0x16 [622081.546169] [<0000000077fca9ce>] 0x77fca9ce [622081.546178] INFO: task ffsb:3729 blocked for more than 120 seconds. [622081.546182] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [622081.546187] ffsb D 0000000000362ea4 0 3729 3671 0x00040000 [622081.546194] 0000000083897368 00000000003685d8 000000000003e60a 000000004e53bc20 [622081.546200] 000000004e53bc20 0000000063970770 0000000063970770 000000004e53bc60 [622081.546207] 00000000003685d8 0000000000000000 0000000016d9f380 00000000fef810e0 [622081.546214] 0000000016d9f720 0000000083897300 0000000063970738 0000000000000001 [622081.546220] 0000000000368c20 0000000000362090 000000004e53bc60 000000004e53bd68 [622081.546228] Call Trace: [622081.546230] ([<0000000000362090>] schedule+0xb0c/0xc30) [622081.546236] [<0000000000362ea4>] __mutex_lock_slowpath+0xd4/0x14c [622081.546242] [<00000000003633a2>] mutex_lock+0x4e/0x6c [622081.546247] [<000000000012f54a>] generic_file_llseek+0x36/0x74 [622081.546252] [<000000000012de98>] SyS_llseek+0x68/0xd4 [622081.546332] [<00000000000299e6>] sysc_noemu+0x10/0x16 [622081.546337] [<0000000077fca9ce>] 0x77fca9ce [696130.782415] ------------[ cut here ]------------ [696130.782425] kernel BUG at /build/buildd-linux-2.6_2.6.32-35-s390-hTJpTP/linux-2.6-2.6.32/debian/build/source_s390_none/fs/nfs/write.c:271! [696130.782434] illegal operation: 0001 [#1] SMP [696130.782439] Modules linked in: fuse nfs lockd fscache nfs_acl auth_rpcgss sunrpc sd_mod crc_t10dif ext2 sg loop qeth_l3 qeth ccwgroup ext4 mbcache jbd2 crc16 zfcp scsi_transport_fc scsi_tgt scsi_mod dasd_eckd_mod dasd_mod [last unloaded: scsi_wait_scan] [696130.782469] CPU: 0 Not tainted 2.6.32-5-s390x #1 [696130.782473] Process blktrace (pid: 12537, task: 00000000fd16b9c0, ksp: 00000000c9ff7940) [696130.782479] Krnl PSW : 0704300180000000 000003e000e047be (nfs_do_writepage+0x166/0x1b0 [nfs]) [696130.782508] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:3 PM:0 EA:3 [696130.782514] Krnl GPRS: 0000000000000000 0000000000000003 00000000000002f1 00000000fba09c00 [696130.782520] 00000000000002f0 0000000000523800 000003e0410f0f70 0000000000000001 [696130.782525] 00000000c9ff7bd8 0000000000000000 000003e0410f0f70 000000006a65fc00 [696130.782531] 000003e000deb000 000003e000e24308 000003e000e0473e 00000000c9ff7980 [696130.782548] Krnl Code: 000003e000e047b2: a7f40001 brc 15,3e000e047b4 [696130.782555] 000003e000e047b6: a7f40000 brc 15,3e000e047b6 [696130.782561] 000003e000e047ba: a7f40001 brc 15,3e000e047bc [696130.782568] >000003e000e047be: a7f40000 brc 15,3e000e047be [696130.782575] 000003e000e047c2: b9040028 lgr %r2,%r8 [696130.782581] 000003e000e047c6: b904003b lgr %r3,%r11 [696130.782588] 000003e000e047ca: c0e5ffffda3b brasl %r14,3e000dffc40 [696130.782594] 000003e000e047d0: 1222 ltr %r2,%r2 [696130.782599] Call Trace: [696130.782601] ([<000003e000e0473e>] nfs_do_writepage+0xe6/0x1b0 [nfs]) [696130.782612] [<000003e000e04f2e>] nfs_writepages_callback+0x1e/0x3c [nfs] [696130.782624] [<00000000000ea27a>] write_cache_pages+0x28e/0x3e8 [696130.782634] [<000003e000e04eb2>] nfs_writepages+0x13a/0x198 [nfs] [696130.782645] [<00000000000e20f0>] __filemap_fdatawrite_range+0x5c/0x68 [696130.782654] [<00000000000e327a>] filemap_write_and_wait+0x36/0x64 [696130.782659] [<000003e000df856e>] nfs_setattr+0xe2/0x154 [nfs] [696130.782670] [<0000000000149510>] notify_change+0x1a8/0x320 [696130.782678] [<000000000012d500>] do_truncate+0x8c/0xb0 [696130.782685] [<000000000012d64c>] SyS_ftruncate+0x128/0x150 [696130.782690] [<00000000000299e6>] sysc_noemu+0x10/0x16 [696130.782699] [<0000000077f2ca08>] 0x77f2ca08 [696130.782703] Last Breaking-Event-Address: [696130.782706] [<000003e000e047ba>] nfs_do_writepage+0x162/0x1b0 [nfs] [696130.782717] [696130.782721] ---[ end trace d185bc0ed90606e2 ]--- ** Model information processor 0: version = 00, identification = 07A456, machine = 2098 processor 1: version = 00, identification = 07A456, machine = 2098 ** Loaded modules: Module Size Used by fuse 73673 1 nfs 350785 1 lockd 80027 1 nfs fscache 56819 1 nfs nfs_acl 2975 1 nfs auth_rpcgss 48711 1 nfs sunrpc 231007 10 nfs,lockd,nfs_acl,auth_rpcgss sd_mod 39115 1 crc_t10dif 1428 1 sd_mod ext2 80395 0 sg 33421 0 loop 15959 0 qeth_l3 62702 1 qeth 77977 1 qeth_l3 ccwgroup 7786 1 qeth ext4 425279 2 mbcache 8226 2 ext2,ext4 jbd2 108244 1 ext4 crc16 1471 1 ext4 zfcp 116815 2 [permanent] scsi_transport_fc 50772 1 zfcp scsi_tgt 12066 1 scsi_transport_fc scsi_mod 164906 5 sd_mod,sg,zfcp,scsi_transport_fc,scsi_tgt dasd_eckd_mod 69050 5 dasd_mod 63781 4 dasd_eckd_mod ** Network interface configuration: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 141.3.52.117 netmask 255.255.255.0 network 141.3.52.0 broadcast 141.3.52.255 gateway 141.3.52.254 dns-nameservers 141.3.10.90 141.3.10.91 dns-search ipd.uni-karlsruhe.de ** Network status: *** IP interfaces and addresses: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1492 qdisc pfifo_fast state UNKNOWN qlen 1000 link/ether e4:1f:13:4e:23:c4 brd ff:ff:ff:ff:ff:ff inet 141.3.52.117/24 brd 141.3.52.255 scope global eth0 inet6 fe80::e41f:1300:94e:23c4/64 scope link valid_lft forever preferred_lft forever *** Device statistics: Inter-| Receive | Transmit face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed lo: 15052 166 0 0 0 0 0 0 15052 166 0 0 0 0 0 0 eth0:226187394999 294351209 0 0 0 0 0 228356 388687209775 331136914 0 0 0 0 0 0 *** Protocol statistics: Ip: 294348938 total packets received 2586 with invalid addresses 0 forwarded 0 incoming packets discarded 294346352 incoming packets delivered 331137074 requests sent out Icmp: 22 ICMP messages received 0 input ICMP message failed. ICMP input histogram: destination unreachable: 1 echo requests: 21 25 ICMP messages sent 0 ICMP messages failed ICMP output histogram: destination unreachable: 4 echo replies: 21 IcmpMsg: InType3: 1 InType8: 21 OutType0: 21 OutType3: 4 Tcp: 98 active connections openings 18 passive connection openings 30 failed connection attempts 3 connection resets received 1 connections established 294122298 segments received 331132891 segments send out 3462 segments retransmited 0 bad segments received. 21 resets sent Udp: 695 packets received 4 packets to unknown port received. 0 packet receive errors 696 packets sent UdpLite: TcpExt: 41 TCP sockets finished time wait in fast timer 17922 delayed acks sent 466 delayed acks further delayed because of locked socket Quick ack mode was activated 6884 times 49 packets directly queued to recvmsg prequeue. 598 bytes directly received in process context from prequeue 152678211 packet headers predicted 4 packets header predicted and directly queued to user 8441855 acknowledgments not containing data payload received 134992813 predicted acknowledgments 110 times recovered from packet loss by selective acknowledgements 2 bad SACK blocks received Detected reordering 1 times using FACK 150 TCP data loss events 3429 fast retransmits 1 forward retransmits 4 retransmits in slow start 7 other TCP timeouts 1 SACK retransmits failed 6884 DSACKs sent for old packets 110 DSACKs received 2 connections reset due to unexpected data 1 connections reset due to early user close 5 connections aborted due to timeout TCPSACKDiscard: 5 TCPDSACKIgnoredOld: 108 TCPDSACKIgnoredNoUndo: 2 TCPSackShiftFallback: 21113 IpExt: InBcastPkts: 223333 InOctets: -1 OutOctets: -1 InBcastOctets: 37742112 *** Device features: eth0: 0x380 lo: 0x13865 ** PCI devices: -- System Information: Debian Release: 6.0.2 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable') Architecture: s390 (s390x) Kernel: Linux 2.6.32-5-s390x (SMP w/2 CPU cores) Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968) Shell: /bin/sh linked to /bin/dash Versions of packages linux-image-2.6.32-5-s390x depends on: ii debconf [debconf-2.0] 1.5.36.1 Debian configuration management sy ii initramfs-tools [linux-initra 0.98.8 tools for generating an initramfs ii linux-base 2.6.32-35 Linux image base package ii module-init-tools 3.12-1 tools for managing Linux kernel mo Versions of packages linux-image-2.6.32-5-s390x recommends: pn firmware-linux-free <none> (no description available) Versions of packages linux-image-2.6.32-5-s390x suggests: pn linux-doc-2.6.32 <none> (no description available) ii s390-tools 1.8.3-3 A set of fundamental utilities for Versions of packages linux-image-2.6.32-5-s390x is related to: pn firmware-bnx2 <none> (no description available) pn firmware-bnx2x <none> (no description available) pn firmware-ipw2x00 <none> (no description available) pn firmware-ivtv <none> (no description available) pn firmware-iwlwifi <none> (no description available) pn firmware-linux <none> (no description available) pn firmware-linux-nonfree <none> (no description available) pn firmware-qlogic <none> (no description available) pn firmware-ralink <none> (no description available) pn xen-hypervisor <none> (no description available) -- debconf information: linux-image-2.6.32-5-s390x/prerm/removing-running-kernel-2.6.32-5-s390x: true linux-image-2.6.32-5-s390x/postinst/missing-firmware-2.6.32-5-s390x: linux-image-2.6.32-5-s390x/postinst/ignoring-do-bootloader-2.6.32-5-s390x: linux-image-2.6.32-5-s390x/postinst/depmod-error-initrd-2.6.32-5-s390x: false -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/20110827091902.14420.17287.report...@i43prktlin1.ipd.uni-karlsruhe.de

