Hi again, Am Freitag, 27. Juli 2007 16:58 schrieb Satyam Sharma: > On 7/27/07, Marc Dietrich <[EMAIL PROTECTED]> wrote: > > Hi, > > > > (...) > > > > me too, my server has 2.6.18-? (openSUSE 10.2). On the client > > (2.6.23-rc1-mm1), I also see (shortly before the hang) > > > > Jul 26 13:09:19 fb07-iapwap2 kernel: ================================= > > Jul 26 13:09:19 fb07-iapwap2 kernel: [ INFO: inconsistent lock state ] > > Jul 26 13:09:19 fb07-iapwap2 kernel: 2.6.23-rc1-mm1 #1 > > Jul 26 13:09:19 fb07-iapwap2 kernel: --------------------------------- > > Jul 26 13:09:19 fb07-iapwap2 kernel: inconsistent {softirq-on-W} -> > > (cut away ugly dump) > > Doesn't appear related ... could you rebuild with CONFIG_FRAME_POINTER > and test + resend the above log? The trace up there looks quite ugly.
this seems to be better ... Jul 27 19:43:33 fb07-iapwap2 kernel: ================================= Jul 27 19:43:33 fb07-iapwap2 kernel: [ INFO: inconsistent lock state ] Jul 27 19:43:33 fb07-iapwap2 kernel: 2.6.23-rc1-mm1 #1 Jul 27 19:43:33 fb07-iapwap2 kernel: --------------------------------- Jul 27 19:43:33 fb07-iapwap2 kernel: inconsistent {softirq-on-W} -> {in-softirq-W} usage. Jul 27 19:43:33 fb07-iapwap2 kernel: kdm/5909 [HC0[0]:SC1[1]:HE1:SE0] takes: Jul 27 19:43:33 fb07-iapwap2 kernel: (rpc_credcache_lock){-+..}, at: [<c01dba67>] _atomic_dec_and_lock+0x17/0x60 Jul 27 19:43:33 fb07-iapwap2 kernel: {softirq-on-W} state was registered at: Jul 27 19:43:33 fb07-iapwap2 kernel: [<c013e800>] __lock_acquire+0x650/0x1030 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c013f241>] lock_acquire+0x61/0x80 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c02db8dc>] _spin_lock+0x2c/0x40 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c01dba67>] _atomic_dec_and_lock+0x17/0x60 Jul 27 19:43:33 fb07-iapwap2 kernel: [<dceca5fd>] put_rpccred+0x5d/0x100 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dceca6c1>] rpcauth_unbindcred+0x21/0x60 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcec8fd4>] rpc_put_task+0x44/0xa0 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcec3fe0>] rpc_call_sync+0x30/0x40 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dced172b>] rpcb_register+0xdb/0x180 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcecb5b3>] svc_register+0x93/0x160 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcecbebe>] __svc_create+0x1ee/0x220 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcecc053>] svc_create+0x13/0x20 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf62752>] nfs_callback_up+0x82/0x120 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf3df36>] nfs_get_client+0x176/0x390 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf3e181>] nfs4_set_client+0x31/0x190 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf3e983>] nfs4_create_server+0x63/0x3b0 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf47426>] nfs4_get_sb+0x346/0x5b0 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<c017aa74>] vfs_kern_mount+0x94/0x110 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c01900c2>] do_mount+0x1f2/0x7d0 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0190706>] sys_mount+0x66/0xa0 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c01040de>] syscall_call+0x7/0xb Jul 27 19:43:33 fb07-iapwap2 kernel: [<ffffffff>] 0xffffffff Jul 27 19:43:33 fb07-iapwap2 kernel: irq event stamp: 4916 Jul 27 19:43:33 fb07-iapwap2 kernel: hardirqs last enabled at (4916): [<c017518a>] kmem_cache_free+0x8a/0xc0 Jul 27 19:43:33 fb07-iapwap2 kernel: hardirqs last disabled at (4915): [<c0175152>] kmem_cache_free+0x52/0xc0 Jul 27 19:43:33 fb07-iapwap2 kernel: softirqs last enabled at (4888): [<dcec9ff1>] rpc_wake_up_next+0x81/0x180 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: softirqs last disabled at (4905): [<c01241e7>] do_softirq+0x47/0x50 Jul 27 19:43:33 fb07-iapwap2 kernel: Jul 27 19:43:33 fb07-iapwap2 kernel: other info that might help us debug this: Jul 27 19:43:33 fb07-iapwap2 kernel: 1 lock held by kdm/5909: Jul 27 19:43:33 fb07-iapwap2 kernel: #0: (&inode->i_mutex/1){--..}, at: [<c0182efd>] do_unlinkat+0x7d/0x140 Jul 27 19:43:33 fb07-iapwap2 kernel: Jul 27 19:43:33 fb07-iapwap2 kernel: stack backtrace: Jul 27 19:43:33 fb07-iapwap2 kernel: [<c010506a>] show_trace_log_lvl+0x1a/0x30 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0105c92>] show_trace+0x12/0x20 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0105da5>] dump_stack+0x15/0x20 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c013cc53>] print_usage_bug+0x153/0x160 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c013d849>] mark_lock+0x449/0x620 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c013e7b4>] __lock_acquire+0x604/0x1030 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c013f241>] lock_acquire+0x61/0x80 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c02db8dc>] _spin_lock+0x2c/0x40 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c01dba67>] _atomic_dec_and_lock+0x17/0x60 Jul 27 19:43:33 fb07-iapwap2 kernel: [<dceca5fd>] put_rpccred+0x5d/0x100 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf60fb3>] nfs_free_delegation_callback+0x13/0x20 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<c012fa3a>] __rcu_process_callbacks+0x6a/0x1c0 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c012fba2>] rcu_process_callbacks+0x12/0x30 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0124228>] tasklet_action+0x38/0x80 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0124135>] __do_softirq+0x55/0xc0 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c01241e7>] do_softirq+0x47/0x50 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0124615>] irq_exit+0x35/0x40 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0112463>] smp_apic_timer_interrupt+0x43/0x80 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0104b0f>] apic_timer_interrupt+0x33/0x38 Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcecab53>] rpcauth_lookup_credcache+0x83/0x1c0 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcecb1a8>] unx_lookup_cred+0x8/0x10 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dceca8fe>] rpcauth_bindcred+0x5e/0xe0 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcec3e87>] rpc_call_setup+0x57/0x60 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcec3edb>] rpc_do_run_task+0x4b/0xb0 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcec3fce>] rpc_call_sync+0x1e/0x40 [sunrpc] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf53cba>] _nfs4_proc_lookupfh+0x6a/0xb0 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf55b89>] _nfs4_proc_lookup+0x49/0x1d0 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf55d42>] nfs4_proc_lookup+0x32/0x60 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf3fe69>] nfs_lookup+0xa9/0x260 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<dcf4226c>] nfs_atomic_lookup+0x10c/0x180 [nfs] Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0180190>] lookup_hash+0x90/0xb0 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0182f05>] do_unlinkat+0x85/0x140 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c0182fd0>] sys_unlink+0x10/0x20 Jul 27 19:43:33 fb07-iapwap2 kernel: [<c01040de>] syscall_call+0x7/0xb Jul 27 19:43:33 fb07-iapwap2 kernel: ======================= this kernel is 2.6.23-rc1-mm1 with Trond's fix from this thread and this one. http://marc.info/?l=linux-kernel&m=118546628202419&w=2. Problem (hang) is easy reproduceable here by just launching kde and open konsole. > [ Unrelated, but I just realized from lib/Kconfig.debug that stuff in there > "select"s LOCKDEP, which itself "selects" frame pointers (on some archs). > But I thought "select" didn't chain properly like that? There's whole lots > of depending and selecting and non-user-visible options out there in > that file -- and I'm not sure all those selects and depends are really > even required to successfully build (?) ] > > > Satyam marc - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/