Trond Myklebust wrote: Is that reproducible on the upstream kernel, or is it something that is being introduced by the pNFS blocks code? Upstream kernel 3.0.0-next-20110729 fails in a similar way, so it's not anything introduced by the block layout code. kernel BUG at /home/rees/linux-next/fs/nfs/callback_xdr.c:775! invalid opcode: 0000 [#1] SMP CPU 0 Modules linked in: nfs lockd fscache auth_rpcgss nfs_acl sunrpc cpufreq_ondemand powernow_k8 freq_table mperf be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb3i ip6t_REJECT libcxgbi cxgb3 nf_conntrack_ipv6 nf_defrag_ipv6 mdio ib_iser ip6table_filter ip6_tables rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi amd64_edac_mod i2c_nforce2 shpchp tg3 pcspkr edac_core i2c_core serio_raw k8temp edac_mce_amd ipv6 autofs4 ata_generic pata_acpi mptspi mptscsih mptbase scsi_transport_spi sata_nv pata_amd [last unloaded: scsi_wait_scan] Pid: 6494, comm: nfsv4.1-svc Tainted: G W 3.0.0-next-20110729 #2 HP ProLiant DL145 G2/K85NL RIP: 0010:[<ffffffffa02998df>] [<ffffffffa02998df>] nfs4_cb_take_slot+0x2e/0x3e [nfs] RSP: 0018:ffff880074275bf0 EFLAGS: 00010286 RAX: 00000000ffffffff RBX: ffff88007b67ec00 RCX: 0000000000000001 RDX: 000000000000001c RSI: ffff88006b8b49f0 RDI: ffff88007b67ed88 RBP: ffff880074275c00 R08: 00000000000000d0 R09: 0000000000000002 R10: ffff88007fc12e70 R11: ffffffff81b42ab0 R12: ffff880037e72000 R13: 0000000000000000 R14: ffff880037ed3800 R15: ffff88007b67e800 FS: 00007fb17e8de720(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000003ff9064c60 CR3: 0000000069a99000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process nfsv4.1-svc (pid: 6494, threadinfo ffff880074274000, task ffff880069410000) Stack: ffff880037e72000 ffff880037ed3800 ffff880074275ca0 ffffffffa029a5c2 ffff88006b8b49e0 ffff880071786098 ffff880074275ca0 ffffffffa0299a1a ffff88006b8b49e0 0000000100000246 ffff88007b67ec48 ffff880037ed3808 Call Trace: [<ffffffffa029a5c2>] nfs4_callback_sequence+0x272/0x338 [nfs] [<ffffffffa0299a1a>] ? decode_cb_sequence_args+0x12b/0x24a [nfs] [<ffffffffa0299733>] nfs4_callback_compound+0x364/0x4e2 [nfs] [<ffffffff8106f3bf>] ? groups_alloc+0x38/0xbe [<ffffffffa01f7206>] svc_process_common+0x260/0x4d3 [sunrpc] [<ffffffffa01f7552>] bc_svc_process+0xd9/0x102 [sunrpc] [<ffffffffa029884c>] nfs41_callback_svc+0xd5/0x126 [nfs] [<ffffffff8106905f>] ? wake_up_bit+0x25/0x25 [<ffffffffa0298777>] ? nfs_callback_down+0x7c/0x7c [nfs] [<ffffffff81068bf8>] kthread+0x7d/0x85 [<ffffffff81467e14>] kernel_thread_helper+0x4/0x10 [<ffffffff81068b7b>] ? kthread_worker_fn+0x147/0x147 [<ffffffff81467e10>] ? gs_change+0x13/0x13 Code: e5 53 48 83 ec 08 48 8b 9f a8 02 00 00 48 8d bb 88 01 00 00 e8 c4 5b 1c e1 8b 83 5c 02 00 00 ff c0 85 c0 89 83 5c 02 00 00 74 04 <0f> 0b eb fe 66 ff 83 88 01 00 00 41 5b 5b c9 c3 55 48 8d 42 08 RIP [<ffffffffa02998df>] nfs4_cb_take_slot+0x2e/0x3e [nfs] RSP <ffff880074275bf0> ---[ end trace 27e49b345894527a ]--- Callback slot table overflowed -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
