Hi,
Got the following oopsen just now from 2.6.23-rc1-git10 on a 2
processor Opteron with 2GB RAM. System is running 64bit Fedora Core 6.
nfsd is exporting directories from a XFS filesystem on top a software
RAID 5 array comprising 3 x 250GB SATA disks using the sata_sil driver.
Amongst other things, users (about 12) home directories are
automounted from it.
Some problems seem to start when I was experimenting with the
stripe_cache_size of the md array. People could no longer run some apps
and having general NFS issues. IIRC I had dropped the stripe_cache_size
down from 8192 to 768 then I attempted to restart nfsd
via /etc/rc.d/init.d/nfsd restart
I then got the Oopses and the machine locked up needing a power cycle.
Aug 2 10:15:55 thor mountd[30048]: Caught signal 15, un-registering and exiting.
Aug 2 10:15:55 thor nfsd[16390]: nfssvc: Setting version failed: errno 16 (Device or resource busy)
Aug 2 10:15:56 thor kernel: lockd_down: lockd failed to exit, clearing pid
Aug 2 10:15:56 thor kernel: nfsd: last server has exited
Aug 2 10:15:56 thor kernel: nfsd: unexporting all filesystems
Aug 2 10:15:56 thor kernel: ------------[ cut here ]------------
Aug 2 10:15:56 thor kernel: kernel BUG at /home/andrew/src/linux-2.6/net/sunrpc/svc.c:488!
Aug 2 10:15:56 thor kernel: invalid opcode: 0000 [1] SMP
Aug 2 10:15:56 thor kernel: CPU 0
Aug 2 10:15:56 thor kernel: Pid: 30039, comm: nfsd Not tainted 2.6.23-rc1-git10 #28
Aug 2 10:15:56 thor kernel: RIP: 0010:[<ffffffff804b9bed>] [<ffffffff804b9bed>] svc_destroy+0x1bd/0x1d0
Aug 2 10:15:56 thor kernel: RSP: 0018:ffff81007a149ee0 EFLAGS: 00010212
Aug 2 10:15:56 thor kernel: RAX: ffff81006fd4f4a8 RBX: ffff81006fd4f498 RCX: ffff81000000c000
Aug 2 10:15:56 thor kernel: RDX: ffff81006fd4f498 RSI: 000000000000004c RDI: ffff81006fd4f498
Aug 2 10:15:56 thor kernel: RBP: ffff81006fd4f4b8 R08: 9018000000000000 R09: 8000000000000000
Aug 2 10:15:56 thor kernel: R10: 0000000000000000 R11: ffffffff80453990 R12: ffff81006fd4f4a8
Aug 2 10:15:56 thor kernel: R13: ffff81006fd4f480 R14: ffff81006fd4f480 R15: ffffffff802dc000
Aug 2 10:15:56 thor kernel: FS: 00002affe30536e0(0000) GS:ffffffff805be000(0000) knlGS:0000000000000000
Aug 2 10:15:56 thor kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 2 10:15:56 thor kernel: CR2: 000000345ce03080 CR3: 000000006fd65000 CR4: 00000000000006e0
Aug 2 10:15:56 thor kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Aug 2 10:15:56 thor kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Aug 2 10:15:56 thor kernel: Process nfsd (pid: 30039, threadinfo ffff81007a148000, task ffff810062fe77b0)
Aug 2 10:15:56 thor kernel: Stack: ffff810062fe77b0 000000000000001e ffff81007a0c2000 ffff81007a149f20
Aug 2 10:15:56 thor kernel: ffff810070eedf80 ffffffff802dc268 fffffffffffffeff 6e692e6c6363702e
Aug 2 10:15:56 thor kernel: fffffffffffffef8 ffff810062fe77b0 ffff810070eedf84 0000000000000000
Aug 2 10:15:56 thor kernel: Call Trace:
Aug 2 10:15:56 thor kernel: [<ffffffff802dc268>] nfsd+0x268/0x2d0
Aug 2 10:15:56 thor kernel: [<ffffffff8020ca28>] child_rip+0xa/0x12
Aug 2 10:15:56 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:15:56 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:15:56 thor kernel: [<ffffffff8020ca1e>] child_rip+0x0/0x12
Aug 2 10:15:56 thor kernel:
Aug 2 10:15:56 thor kernel:
Aug 2 10:15:56 thor kernel: Code: 0f 0b eb fe 0f 1f 80 00 00 00 00 0f 1f 84 00 00 00 00 00 41
Aug 2 10:15:56 thor kernel: RIP [<ffffffff804b9bed>] svc_destroy+0x1bd/0x1d0
Aug 2 10:15:56 thor kernel: RSP <ffff81007a149ee0>
Aug 2 10:16:17 thor kernel: general protection fault: 0000 [2] SMP
Aug 2 10:16:17 thor kernel: CPU 0
Aug 2 10:16:17 thor kernel: Pid: 16406, comm: nfsd Tainted: G D 2.6.23-rc1-git10 #28
Aug 2 10:16:17 thor kernel: RIP: 0010:[<ffffffff802e011e>] [<ffffffff802e011e>] nfsd_vfs_read+0x13e/0x450
Aug 2 10:16:17 thor kernel: RSP: 0018:ffff8100496ffd60 EFLAGS: 00010202
Aug 2 10:16:17 thor kernel: RAX: 000000003b5f0767 RBX: 0000000000000100 RCX: ffff81007a579340
Aug 2 10:16:17 thor kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff80649f48
Aug 2 10:16:17 thor kernel: RBP: ffffffff80649f40 R08: ffff8100149d0990 R09: 0000000000000007
Aug 2 10:16:17 thor kernel: R10: 000000005245544e R11: 0000000000000001 R12: 495f594157455441
Aug 2 10:16:17 thor kernel: R13: 0000000018328d3e R14: 0000000000000004 R15: ffff810065dc66c0
Aug 2 10:16:17 thor kernel: FS: 00002b83155a86e0(0000) GS:ffffffff805be000(0000) knlGS:0000000000000000
Aug 2 10:16:17 thor kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 2 10:16:17 thor kernel: CR2: 000000345c495890 CR3: 000000007b2c1000 CR4: 00000000000006e0
Aug 2 10:16:17 thor kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Aug 2 10:16:17 thor kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Aug 2 10:16:17 thor kernel: Process nfsd (pid: 16406, threadinfo ffff8100496fe000, task ffff81007e1310c0)
Aug 2 10:16:17 thor kernel: Stack: ffff8100704f9b68 000000078034eee8 ffff8100149d0990 ffff8100149d0000
Aug 2 10:16:17 thor kernel: 009000005ed85080 0000000000030000 ffff81007c83e008 ffff81005ed85080
Aug 2 10:16:17 thor kernel: 0000000000000000 ffff8100496ffe00 0000000000030000 0000000000000000
Aug 2 10:16:17 thor kernel: Call Trace:
Aug 2 10:16:17 thor kernel: [<ffffffff802e0972>] nfsd_read+0xe2/0x100
Aug 2 10:16:17 thor kernel: [<ffffffff804bb710>] svc_sock_enqueue+0x80/0x340
Aug 2 10:16:17 thor kernel: [<ffffffff802e81ad>] nfsd3_proc_read+0xfd/0x1a0
Aug 2 10:16:17 thor kernel: [<ffffffff802dba71>] nfsd_dispatch+0xb1/0x250
Aug 2 10:16:17 thor kernel: [<ffffffff804baa56>] svc_process+0x476/0x7a0
Aug 2 10:16:17 thor kernel: [<ffffffff804c9182>] __down_read+0x12/0xb0
Aug 2 10:16:17 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:16:17 thor kernel: [<ffffffff802dc190>] nfsd+0x190/0x2d0
Aug 2 10:16:17 thor kernel: [<ffffffff8020ca28>] child_rip+0xa/0x12
Aug 2 10:16:17 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:16:17 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:16:17 thor kernel: [<ffffffff8020ca1e>] child_rip+0x0/0x12
Aug 2 10:16:17 thor kernel:
Aug 2 10:16:17 thor kernel:
Aug 2 10:16:17 thor kernel: Code: 4d 3b 6c 24 10 75 db 8b 44 24 24 41 3b 44 24 18 75 d0 48 39
Aug 2 10:16:17 thor kernel: RIP [<ffffffff802e011e>] nfsd_vfs_read+0x13e/0x450
Aug 2 10:16:17 thor kernel: RSP <ffff8100496ffd60>
Aug 2 10:16:28 thor kernel: general protection fault: 0000 [3] SMP
Aug 2 10:16:28 thor kernel: CPU 1
Aug 2 10:16:28 thor kernel: Pid: 16402, comm: nfsd Tainted: G D 2.6.23-rc1-git10 #28
Aug 2 10:16:28 thor kernel: RIP: 0010:[<ffffffff802e011e>] [<ffffffff802e011e>] nfsd_vfs_read+0x13e/0x450
Aug 2 10:16:28 thor kernel: RSP: 0018:ffff810070891d60 EFLAGS: 00010202
Aug 2 10:16:28 thor kernel: RAX: 00000000954783fd RBX: 0000000000000240 RCX: ffff81007a5797b8
Aug 2 10:16:28 thor kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff8064a088
Aug 2 10:16:28 thor kernel: RBP: ffffffff8064a080 R08: ffff8100628e0990 R09: 0000000000000001
Aug 2 10:16:28 thor kernel: R10: 00000000203a2020 R11: 0000000000000001 R12: 2020202020202044
Aug 2 10:16:28 thor kernel: R13: 0000000018752c1c R14: 0000000000000009 R15: ffff81004f3ca4c0
Aug 2 10:16:28 thor kernel: FS: 00002b83155a86e0(0000) GS:ffff81000119dbc0(0000) knlGS:0000000000000000
Aug 2 10:16:28 thor kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 2 10:16:28 thor kernel: CR2: 0000000000616e08 CR3: 000000007ac39000 CR4: 00000000000006e0
Aug 2 10:16:28 thor kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Aug 2 10:16:28 thor kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Aug 2 10:16:28 thor kernel: Process nfsd (pid: 16402, threadinfo ffff810070890000, task ffff81007ac90830)
Aug 2 10:16:28 thor kernel: Stack: ffff81001f5ee928 000000018034eee8 ffff8100628e0990 ffff8100628e0000
Aug 2 10:16:28 thor kernel: 0090000063f1aae8 0000000000000000 ffff810070bc9c08 ffff810063f1aae8
Aug 2 10:16:28 thor kernel: 0000000000000000 ffff810070891e00 0000000000000000 0000000000000000
Aug 2 10:16:28 thor kernel: Call Trace:
Aug 2 10:16:28 thor kernel: [<ffffffff802e0972>] nfsd_read+0xe2/0x100
Aug 2 10:16:28 thor kernel: [<ffffffff804bb710>] svc_sock_enqueue+0x80/0x340
Aug 2 10:16:28 thor kernel: [<ffffffff802e81ad>] nfsd3_proc_read+0xfd/0x1a0
Aug 2 10:16:28 thor kernel: [<ffffffff802dba71>] nfsd_dispatch+0xb1/0x250
Aug 2 10:16:28 thor kernel: [<ffffffff804baa56>] svc_process+0x476/0x7a0
Aug 2 10:16:28 thor kernel: [<ffffffff804c9182>] __down_read+0x12/0xb0
Aug 2 10:16:28 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:16:28 thor kernel: [<ffffffff802dc190>] nfsd+0x190/0x2d0
Aug 2 10:16:28 thor kernel: [<ffffffff8020ca28>] child_rip+0xa/0x12
Aug 2 10:16:28 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:16:28 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:16:28 thor kernel: [<ffffffff8020ca1e>] child_rip+0x0/0x12
Aug 2 10:16:29 thor kernel:
Aug 2 10:16:29 thor kernel:
Aug 2 10:16:29 thor kernel: Code: 4d 3b 6c 24 10 75 db 8b 44 24 24 41 3b 44 24 18 75 d0 48 39
Aug 2 10:16:29 thor kernel: RIP [<ffffffff802e011e>] nfsd_vfs_read+0x13e/0x450
Aug 2 10:16:29 thor kernel: RSP <ffff810070891d60>
Aug 2 10:16:58 thor kernel: general protection fault: 0000 [4] SMP
Aug 2 10:16:58 thor kernel: CPU 0
Aug 2 10:16:58 thor kernel: Pid: 16401, comm: nfsd Tainted: G D 2.6.23-rc1-git10 #28
Aug 2 10:16:58 thor kernel: RIP: 0010:[<ffffffff802e011e>] [<ffffffff802e011e>] nfsd_vfs_read+0x13e/0x450
Aug 2 10:16:58 thor kernel: RSP: 0018:ffff810070a4dd60 EFLAGS: 00010202
Aug 2 10:16:58 thor kernel: RAX: 0000000031e26a3c RBX: 00000000000003c0 RCX: ffff81007a579c98
Aug 2 10:16:58 thor kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff8064a208
Aug 2 10:16:58 thor kernel: RBP: ffffffff8064a200 R08: ffff81006e75c990 R09: 0000000000000005
Aug 2 10:16:58 thor kernel: R10: 00000000736d6567 R11: 0000000000000001 R12: 2f382e312f736d65
Aug 2 10:16:58 thor kernel: R13: 0000000031b7ac4f R14: 000000000000000f R15: ffff81003cb0d480
Aug 2 10:16:58 thor kernel: FS: 00002b83155a86e0(0000) GS:ffffffff805be000(0000) knlGS:0000000000000000
Aug 2 10:16:58 thor kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 2 10:16:58 thor kernel: CR2: 000000345c495890 CR3: 000000007b2c1000 CR4: 00000000000006e0
Aug 2 10:16:58 thor kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Aug 2 10:16:58 thor kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Aug 2 10:16:58 thor kernel: Process nfsd (pid: 16401, threadinfo ffff810070a4c000, task ffff81002a3b0040)
Aug 2 10:16:58 thor kernel: Stack: ffff81007a79d268 000000058034eee8 ffff81006e75c990 ffff81006e75c000
Aug 2 10:16:58 thor kernel: 00900000644a5700 0000000000000000 ffff810070472808 ffff8100644a5700
Aug 2 10:16:58 thor kernel: 0000000000000000 ffff810070a4de00 0000000000000000 0000000000000000
Aug 2 10:16:58 thor kernel: Call Trace:
Aug 2 10:16:58 thor kernel: [<ffffffff802e0972>] nfsd_read+0xe2/0x100
Aug 2 10:16:58 thor kernel: [<ffffffff804bb710>] svc_sock_enqueue+0x80/0x340
Aug 2 10:16:58 thor kernel: [<ffffffff802e81ad>] nfsd3_proc_read+0xfd/0x1a0
Aug 2 10:16:58 thor kernel: [<ffffffff802dba71>] nfsd_dispatch+0xb1/0x250
Aug 2 10:16:58 thor kernel: [<ffffffff804baa56>] svc_process+0x476/0x7a0
Aug 2 10:16:58 thor kernel: [<ffffffff804c9182>] __down_read+0x12/0xb0
Aug 2 10:16:58 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:16:58 thor kernel: [<ffffffff802dc190>] nfsd+0x190/0x2d0
Aug 2 10:16:58 thor kernel: [<ffffffff8020ca28>] child_rip+0xa/0x12
Aug 2 10:16:58 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:16:58 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:16:58 thor kernel: [<ffffffff8020ca1e>] child_rip+0x0/0x12
Aug 2 10:16:58 thor kernel:
Aug 2 10:16:58 thor kernel:
Aug 2 10:16:58 thor kernel: Code: 4d 3b 6c 24 10 75 db 8b 44 24 24 41 3b 44 24 18 75 d0 48 39
Aug 2 10:16:58 thor kernel: RIP [<ffffffff802e011e>] nfsd_vfs_read+0x13e/0x450
Aug 2 10:16:58 thor kernel: RSP <ffff810070a4dd60>
Aug 2 10:17:00 thor kernel: general protection fault: 0000 [5] SMP
Aug 2 10:17:00 thor kernel: CPU 0
Aug 2 10:17:00 thor kernel: Pid: 16403, comm: nfsd Tainted: G D 2.6.23-rc1-git10 #28
Aug 2 10:17:00 thor kernel: RIP: 0010:[<ffffffff802e011e>] [<ffffffff802e011e>] nfsd_vfs_read+0x13e/0x450
Aug 2 10:17:00 thor kernel: RSP: 0018:ffff810070d13d60 EFLAGS: 00010202
Aug 2 10:17:00 thor kernel: RAX: 00000000e74fcb75 RBX: 0000000000000140 RCX: ffff81007a579410
Aug 2 10:17:00 thor kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff80649f88
Aug 2 10:17:00 thor kernel: RBP: ffffffff80649f80 R08: ffff8100704d0990 R09: 0000000000000001
Aug 2 10:17:00 thor kernel: R10: 00000000372e303d R11: 0000000000000001 R12: 713b2a2c372e303d
Aug 2 10:17:00 thor kernel: R13: 0000000059233474 R14: 0000000000000005 R15: ffff81003cb0d580
Aug 2 10:17:00 thor kernel: FS: 00002b83155a86e0(0000) GS:ffffffff805be000(0000) knlGS:0000000000000000
Aug 2 10:17:00 thor kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Aug 2 10:17:00 thor kernel: CR2: 0000000000616e08 CR3: 000000007ac39000 CR4: 00000000000006e0
Aug 2 10:17:00 thor kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Aug 2 10:17:00 thor kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Aug 2 10:17:00 thor kernel: Process nfsd (pid: 16403, threadinfo ffff810070d12000, task ffff81007e012080)
Aug 2 10:17:00 thor kernel: Stack: ffff81003e5a3028 000000018034eee8 ffff8100704d0990 ffff8100704d0000
Aug 2 10:17:00 thor kernel: 0090000053a155f8 0000000000001000 ffff810070e64808 ffff810053a155f8
Aug 2 10:17:00 thor kernel: 0000000000000000 ffff810070d13e00 0000000000001000 0000000000000000
Aug 2 10:17:00 thor kernel: Call Trace:
Aug 2 10:17:00 thor kernel: [<ffffffff802e0972>] nfsd_read+0xe2/0x100
Aug 2 10:17:00 thor kernel: [<ffffffff802e81ad>] nfsd3_proc_read+0xfd/0x1a0
Aug 2 10:17:00 thor kernel: [<ffffffff802dba71>] nfsd_dispatch+0xb1/0x250
Aug 2 10:17:00 thor kernel: [<ffffffff804baa56>] svc_process+0x476/0x7a0
Aug 2 10:17:00 thor kernel: [<ffffffff804c9182>] __down_read+0x12/0xb0
Aug 2 10:17:00 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:17:00 thor kernel: [<ffffffff802dc190>] nfsd+0x190/0x2d0
Aug 2 10:17:00 thor kernel: [<ffffffff8020ca28>] child_rip+0xa/0x12
Aug 2 10:17:00 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:17:00 thor kernel: [<ffffffff802dc000>] nfsd+0x0/0x2d0
Aug 2 10:17:00 thor kernel: [<ffffffff8020ca1e>] child_rip+0x0/0x12
Aug 2 10:17:00 thor kernel:
Aug 2 10:17:00 thor kernel:
Aug 2 10:17:00 thor kernel: Code: 4d 3b 6c 24 10 75 db 8b 44 24 24 41 3b 44 24 18 75 d0 48 39
Aug 2 10:17:00 thor kernel: RIP [<ffffffff802e011e>] nfsd_vfs_read+0x13e/0x450
Aug 2 10:17:00 thor kernel: RSP <ffff810070d13d60>
Cheers,
Andrew
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