From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
To: netdev@vger.kernel.org
Subject: [BUG ??] nfs: kernel server lock problems
Date: Fri, 3 Nov 2006 07:45:48 +0000 [thread overview]
Message-ID: <200611030745.48401@strip-the-willow> (raw)
Someone any ideas regarding the following bug report,
which happened on
* a dual-Pentium-3 server with SMP enabled
* latest davem-2.6 (pulled yesterday)
* nfs-utils 1.0.10
* lock validation turned on
If this is not enough information please point out what
is missing.
--------------<snip>------------------------------
Nov 2 22:55:15 kernel: =====================================
Nov 2 22:55:15 kernel: [ BUG: lock held at task exit time! ]
Nov 2 22:55:15 kernel: -------------------------------------
Nov 2 22:55:15 kernel: S20nfs-kernel-s/5294 is exiting with locks still held!
Nov 2 22:55:15 kernel: 1 lock held by S20nfs-kernel-s/5294:
Nov 2 22:55:15 kernel: #0: (old_style_spin_init#2){--..}, at: [_atomic_dec_and_lock+62/112] _atomic_dec_and_lock+0x3e/0x70
Nov 2 22:55:15 kernel:
Nov 2 22:55:15 kernel: stack backtrace:
Nov 2 22:55:15 kernel: [show_trace_log_lvl+26/48] show_trace_log_lvl+0x1a/0x30
Nov 2 22:55:15 kernel: [show_trace+18/32] show_trace+0x12/0x20
Nov 2 22:55:15 kernel: [dump_stack+25/32] dump_stack+0x19/0x20
Nov 2 22:55:15 kernel: [debug_check_no_locks_held+135/144] debug_check_no_locks_held+0x87/0x90
Nov 2 22:55:15 kernel: [do_exit+1165/2176] do_exit+0x48d/0x880
Nov 2 22:55:15 kernel: [do_group_exit+54/144] do_group_exit+0x36/0x90
Nov 2 22:55:15 kernel: [sys_exit_group+15/32] sys_exit_group+0xf/0x20
Nov 2 22:55:15 kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Nov 2 22:55:15 kernel: =======================
Nov 2 23:03:59 kernel: nfsd: last server has exited
Nov 2 23:03:59 kernel: nfsd: unexporting all filesystems
Nov 2 23:04:10 kernel: BUG: soft lockup detected on CPU#1!
Nov 2 23:04:10 kernel: [show_trace_log_lvl+26/48] show_trace_log_lvl+0x1a/0x30
Nov 2 23:04:10 kernel: [show_trace+18/32] show_trace+0x12/0x20
Nov 2 23:04:10 kernel: [dump_stack+25/32] dump_stack+0x19/0x20
Nov 2 23:04:10 kernel: [softlockup_tick+170/208] softlockup_tick+0xaa/0xd0
Nov 2 23:04:10 kernel: [run_local_timers+18/32] run_local_timers+0x12/0x20
Nov 2 23:04:10 kernel: [update_process_times+52/128] update_process_times+0x34/0x80
Nov 2 23:04:10 kernel: [smp_apic_timer_interrupt+132/176] smp_apic_timer_interrupt+0x84/0xb0
Nov 2 23:04:10 kernel: [apic_timer_interrupt+42/48] apic_timer_interrupt+0x2a/0x30
Nov 2 23:04:10 kernel: [_spin_lock+51/64] _spin_lock+0x33/0x40
Nov 2 23:04:10 kernel: [auth_domain_lookup+100/256] auth_domain_lookup+0x64/0x100
Nov 2 23:04:10 kernel: [unix_domain_find+26/192] unix_domain_find+0x1a/0xc0
Nov 2 23:04:10 kernel: [ip_map_parse+341/352] ip_map_parse+0x155/0x160
Nov 2 23:04:10 kernel: [cache_write+127/176] cache_write+0x7f/0xb0
Nov 2 23:04:10 kernel: [vfs_write+149/272] vfs_write+0x95/0x110
Nov 2 23:04:10 kernel: [sys_write+61/112] sys_write+0x3d/0x70
Nov 2 23:04:10 kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Nov 2 23:04:10 kernel: =======================
reply other threads:[~2006-11-03 7:46 UTC|newest]
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