Hi, One of my NFS servers just blew up on me. I found the following in the log - hope it is useful : NMI Watchdog detected LOCKUP on CPU 1 CPU 1 Modules linked in: sg eeprom i2c_i801 Pid: 284, comm: scsi_eh_2 Not tainted 2.6.18.1 #1 RIP: 0010:[<ffffffff80375e6a>] [<ffffffff80375e6a>] __delay+0xa/0x20 RSP: 0000:ffff81022fbf5d80 EFLAGS: 00000097 RAX: 000000000020bb08 RBX: 000000000000d6db RCX: 0000000057489868 RDX: 0000000000192501 RSI: ffff8100cff93528 RDI: 000000000030d2ac RBP: ffff81022fbf5d80 R08: ffff81022fbf4000 R09: 0000000000000000 R10: ffff8100cff93528 R11: 00000000000000d8 R12: ffff81022f449ce8 R13: 0000000000000001 R14: 0000000000000004 R15: ffff81022f449878 FS: 0000000000000000(0000) GS:ffff8101fef36640(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00000000f7f59000 CR3: 000000022f590000 CR4: 00000000000006e0 Process scsi_eh_2 (pid: 284, threadinfo ffff81022fbf4000, task ffff81022fa32180) Stack: ffff81022fbf5d90 ffffffff80375eaa ffff81022fbf5dc0 ffffffff803ee1bc ffff8100cff93528 ffff81022f449ce8 ffff81022f449800 ffff81022f449d40 ffff81022fbf5e00 ffffffff803f175f ffff81022fbf5de0 ffffffff80371529 Call Trace: [<ffffffff80375eaa>] __const_udelay+0x2a/0x30 [<ffffffff803ee1bc>] ips_send_wait+0xbc/0xe0 [<ffffffff803f175f>] __ips_eh_reset+0x11f/0x3f0 [<ffffffff803f1a53>] ips_eh_reset+0x23/0x40 [<ffffffff803e5034>] scsi_try_host_reset+0x34/0xb0 [<ffffffff803e5eb6>] scsi_error_handler+0x476/0x6d0 [<ffffffff80241bfb>] kthread+0xdb/0x120 [<ffffffff8020ab1c>] child_rip+0xa/0x12 Code: 0f 31 29 c8 48 39 f8 72 f5 c9 c3 66 66 66 90 66 66 66 90 66 console shuts up ... NMI Watchdog detected LOCKUP on CPU 0 CPU 0 Modules linked in: sg eeprom i2c_i801 Pid: 15, comm: kblockd/0 Not tainted 2.6.18.1 #1 RIP: 0010:[<ffffffff804aca3b>] [<ffffffff804aca3b>] .text.lock.spinlock+0x2/0x97 RSP: 0000:ffff81022fbbfd70 EFLAGS: 00000086 RAX: ffff81022fa22228 RBX: ffff8100a46be4a8 RCX: 0000000000000000 RDX: ffff8100a46be7d8 RSI: ffff8100a46be4a8 RDI: ffff81022f449850 RBP: ffff81022fbbfd70 R08: ffff81022fbbe000 R09: 0000000000000003 R10: 0000000000000002 R11: 0000000000000000 R12: ffff81022fae6800 R13: ffff81022f449800 R14: ffff81022fa22048 R15: ffff8101f304e980 FS: 0000000000000000(0000) GS:ffffffff80683000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 000000000805bc2c CR3: 000000022b911000 CR4: 00000000000006e0 Process kblockd/0 (pid: 15, threadinfo ffff81022fbbe000, task ffff81022faeaf00) Stack: ffff81022fbbfdc0 ffffffff803e791f ffff81022fae6848 ffff81022fae6848 ffff81022fae68e8 ffff81022fa22048 ffff81022fa22170 ffff8101fef362c0 ffff81022fa22048 0000000000000282 ffff81022fbbfde0 ffffffff803632f5 Call Trace: Inexact backtrace: [<ffffffff803e791f>] scsi_request_fn+0x19f/0x350 [<ffffffff803632f5>] __generic_unplug_device+0x25/0x30 [<ffffffff80363320>] generic_unplug_device+0x20/0x40 [<ffffffff8036336d>] blk_unplug_work+0xd/0x10 [<ffffffff8023e415>] run_workqueue+0xb5/0x110 [<ffffffff80363360>] blk_unplug_work+0x0/0x10 [<ffffffff8023e5a1>] worker_thread+0x131/0x170 [<ffffffff80227660>] default_wake_function+0x0/0x10 [<ffffffff80227660>] default_wake_function+0x0/0x10 [<ffffffff8023e470>] worker_thread+0x0/0x170 [<ffffffff80241bfb>] kthread+0xdb/0x120 [<ffffffff8020ab1c>] child_rip+0xa/0x12 [<ffffffff80241b20>] kthread+0x0/0x120 [<ffffffff8020ab12>] child_rip+0x0/0x12 Code: 83 3f 00 7e f9 e9 af fc ff ff f3 90 83 3f 00 7e f9 e9 d6 fc console shuts up ... The server is running 2.6.18.1 # uname -a Linux st1.surf-town.net 2.6.18.1 #1 SMP Wed Oct 18 12:45:37 CEST 2006 x86_64 GNU/Linux The kernel is 64bit but userspace is 32bit. # scripts/ver_linux If some fields are empty or look unusual you may have an old version. Compare to the current minimal requirements in Documentation/Changes. Linux st1.surf-town.net 2.6.18.1 #1 SMP Wed Oct 18 12:45:37 CEST 2006 x86_64 GNU/Linux Gnu C 3.3.5 Gnu make 3.80 binutils 2.15 util-linux 2.12p mount 2.12p module-init-tools 3.2-pre1 e2fsprogs 1.37 xfsprogs 2.6.28 quota-tools 3.12. nfs-utils 1.0.6 Linux C Library 2.3.2 Dynamic linker (ldd) 2.3.2 Procps 3.2.1 Net-tools 1.60 Console-tools 0.2.3 Sh-utils 5.2.1 udev 056 Modules Loaded sg eeprom i2c_i801 # cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.20GHz stepping : 3 cpu MHz : 3200.193 cache size : 2048 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr bogomips : 6413.18 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.20GHz stepping : 3 cpu MHz : 3200.193 cache size : 2048 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr bogomips : 6400.68 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: # cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 15 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Processor ANSI SCSI revision: 02 Host: scsi0 Channel: 02 Id: 08 Lun: 00 Vendor: IBM Model: 39M6750a S320 0 Rev: 1 Type: Processor ANSI SCSI revision: 02 Host: scsi1 Channel: 00 Id: 00 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi1 Channel: 00 Id: 01 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi1 Channel: 00 Id: 02 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi1 Channel: 00 Id: 03 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi1 Channel: 00 Id: 15 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Processor ANSI SCSI revision: 02 Host: scsi1 Channel: 01 Id: 15 Lun: 00 Vendor: IBM Model: EXP400 S320 Rev: D110 Type: Processor ANSI SCSI revision: 03 Host: scsi2 Channel: 00 Id: 00 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi2 Channel: 00 Id: 01 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi2 Channel: 00 Id: 02 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi2 Channel: 00 Id: 03 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi2 Channel: 00 Id: 04 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi2 Channel: 00 Id: 05 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi2 Channel: 00 Id: 06 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Direct-Access ANSI SCSI revision: 02 Host: scsi2 Channel: 00 Id: 15 Lun: 00 Vendor: IBM Model: SERVERAID Rev: 1.00 Type: Processor ANSI SCSI revision: 02 Host: scsi2 Channel: 01 Id: 15 Lun: 00 Vendor: IBM Model: EXP400 S320 Rev: D110 Type: Processor ANSI SCSI revision: 03 -- Kind regards, Jesper Juhl <jesper.juhl@xxxxxxxxx> - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
