* NFS swap hangup
@ 2016-04-27 14:32 Yoshinori Sato
0 siblings, 0 replies; only message in thread
From: Yoshinori Sato @ 2016-04-27 14:32 UTC (permalink / raw)
To: Trond Myklebust; +Cc: linux-kernel
Hello.
Your commit 15001e5a7e1e207b6bd258cd8f187814cd15b6dc is hang up in my system.
Lock detector said
NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapon:933]
Modules linked in:
CPU: 0 PID: 933 Comm: swapon Not tainted 4.6.0-rc5-08195-g94cf084-dirty #884
task: 8f026240 ti: 8f10a000 task.ti: 8f10a000
PC is at xprt_iter_next_entry_multiple+0x22/0xd0
PR is at xprt_iter_next_entry_all+0xc/0x1c
PC : 8c32920a SP : 8f10be4c SR : 40008000 TEA : c00a3000
R0 : 8c3291e8 R1 : 8f06f6e0 R2 : 8f06f6e0 R3 : 00000001
R4 : 8f10bebc R5 : 8c3290e8 R6 : 00000000 R7 : 00000020
R8 : 8c3292d4 R9 : 8f10bebc R10 : 8c313320 R11 : 8f10bebc
R12 : 8f06b000 R13 : 8c313864 R14 : 8f10be4c
MACH: 00000007 MACL: 00001300 GBR : 29579bd0 PR : 8c3292e0
Call trace:
[<8c3290e8>] xprt_switch_find_next_entry+0x0/0x38
[<8c039c38>] __lock_acquire.isra.16+0x0/0xaa0
[<8c3292e0>] xprt_iter_next_entry_all+0xc/0x1c
[<8c313864>] xprt_put+0x0/0x64
[<8c310198>] rpc_clnt_swap_activate_callback+0x0/0x18
[<8c313320>] xprt_get+0x0/0x88
[<8c3292d4>] xprt_iter_next_entry_all+0x0/0x1c
[<8c329140>] xprt_iter_get_helper+0x20/0x38
[<8c329852>] xprt_iter_get_next+0x32/0x6c
[<8c329820>] xprt_iter_get_next+0x0/0x6c
[<8c329120>] xprt_iter_get_helper+0x0/0x38
[<8c329820>] xprt_iter_get_next+0x0/0x6c
[<8c310c5c>] rpc_clnt_iterate_for_each_xprt+0x80/0xd8
[<8c310bdc>] rpc_clnt_iterate_for_each_xprt+0x0/0xd8
[<8c312470>] rpc_clnt_swap_activate+0x4c/0x70
[<8c310bdc>] rpc_clnt_iterate_for_each_xprt+0x0/0xd8
[<8c00376c>] arch_local_irq_restore+0x0/0x2c
[<8c170d30>] nfs_swap_activate+0x28/0x38
[<8c0aaf42>] SyS_swapon+0x96a/0xf24
[<8c0e94d4>] fsnotify+0x0/0x31c
[<8c0c6ae4>] dput+0x0/0x244
[<8c0cec1c>] mntput+0x0/0x30
[<8c048630>] call_rcu_sched+0x0/0x1c
[<8c0b3e68>] __fput+0xfc/0x1f0
[<8c0b3fc2>] ____fput+0xa/0x18
[<8c008242>] syscall_call+0x18/0x1e
[<8c0aa5d8>] SyS_swapon+0x0/0xf24
2 locks held by swapon/933: x
#0: (&sb->s_type->i_mutex_key#6){......}, at: [<8c0aa7ae>] SyS_swapon+0x1d6/0
f24
#1: (rcu_read_lock){......}, at: [<8c329820>] xprt_iter_get_next+0x0/0x6c
Code:
8c329204: mov.l r5, @r14
8c329206: mov.l @(44,r1), r3
8c329208: mov r1, r2
->8c32920a: mov #1, r0
8c32920c: add #48, r2
8c32920e: cmp/hi r0, r3
8c329210: bf.s 8c32926a
8c329212: mov.l r2, @(4,r14)
8c329214: mov.l @(4,r4), r8
Is anything invastigate?
Thanks.
--
Yoshinori Sato
<ysato@users.sourceforge.jp>
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2016-04-27 14:32 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-04-27 14:32 NFS swap hangup Yoshinori Sato
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.