On 12/29/2014 10:55 AM, Thomas Meyer wrote:
> Probably you need this patch for 3.19
>
> https://lkml.org/lkml/2014/12/10/222
right, helped a little bit, now v3.19-rc1-58-g29169f8 gives:
...
EXT4-fs (ubda): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) readonly on device 98:0.
devtmpfs: mounted
NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper:1]
EIP: 0023:[<df5e5c9e>] CPU: 0 Not tainted ESP: 002b:864afea8 EFLAGS: 00000246
Not tainted
EAX: 00000007 EBX: 000072db ECX: 864afee4 EDX: 40000002
ESI: 0a201a28 EDI: 000072db EBP: 864afef4 DS: 002b ES: 002b
EIP: 0023:[<08064260>] CPU: 0 Tainted: G L ESP: 002b:864af5b0
EFLAGS: 00010202
Tainted: G L
EAX: 864a8000 EBX: 00000023 ECX: 00000001 EDX: 0871f844
ESI: 0a201a28 EDI: 864a8000 EBP: 864af5d0 DS: 002b ES: 002b
Kernel panic - not syncing: Segfault with no mm
CPU: 0 PID: 1 Comm: swapper Tainted: G L
3.19.0-rc1-00058-g29169f8-dirty #5
Stack:
85f6f000 86449280 0b7d04c0 0a201a28 864af5f4 864af604 08072258 86449280
864af5e8 080642ed 864a0000 085393ac 864af604 85f6ebd8 864af5f4 08064328
000000c8 864af620 0810aa5b 864af604 85f6ec28 00000000 00000010 85f6ebdc
Call Trace:
[<08072258>] ? os_free_irq_by_cb+0xe8/0x110
[<080642ed>] __save_stack_trace+0x1d/0x40
[<08064328>] save_stack_trace+0x18/0x20
[<0810aa5b>] set_track+0x5b/0xe0
[<08525463>] free_debug_processing+0x15a/0x2a5
[<08072258>] ? os_free_irq_by_cb+0xe8/0x110
[<085255e2>] __slab_free+0x34/0x2b0
[<08072258>] ? os_free_irq_by_cb+0xe8/0x110
[<080642ed>] ? __save_stack_trace+0x1d/0x40
[<08064328>] ? save_stack_trace+0x18/0x20
[<0810aa5b>] ? set_track+0x5b/0xe0
[<0810a9a7>] ? init_object+0x67/0x70
[<0810d5c1>] kfree+0x111/0x150
[<08072258>] ? os_free_irq_by_cb+0xe8/0x110
[<085254f7>] ? free_debug_processing+0x1ee/0x2a5
[<0806ce07>] ? ubd_intr+0x77/0x110
[<08072258>] ? os_free_irq_by_cb+0xe8/0x110
[<08072258>] os_free_irq_by_cb+0xe8/0x110
[<0805fb60>] ? same_irq_and_dev+0x0/0x30
[<0805fbf8>] free_irq_by_cb+0x38/0x50
[<0805fb60>] ? same_irq_and_dev+0x0/0x30
[<0805ff21>] um_free_irq+0x21/0x40
[<0806623e>] __free_winch+0x1e/0x60
[<080662c3>] free_winch+0x43/0x50
[<080663c5>] winch_cleanup+0x45/0x60
[<08060cda>] do_uml_exitcalls+0x1a/0x30
[<08061582>] uml_cleanup+0x12/0x20
[<08072354>] last_ditch_exit+0x24/0x30
[<080742f9>] ? set_signals+0x19/0x50
[<0852b85c>] ? _raw_spin_unlock_irqrestore+0x1c/0x20
[<08064ea4>] ? free_irqs+0x64/0xe0
[<0805feed>] ? sigio_handler+0x7d/0x90
[<0807412c>] ? sig_handler_common+0xbc/0xd0
[<0852b831>] ? _raw_spin_unlock+0x11/0x20
[<0810ceb4>] ?
EIP: 0023:[<080662a8>] CPU: 0 Not tainted ESP: 002b:0871efdc EFLAGS: 00010282
Not tainted
EAX: 00200200 EBX: 85f932ec ECX: ffffffe8 EDX: 00100100
ESI: 00000000 EDI: f0200000 EBP: 0871efe4 DS: 002b ES: 002b
Kernel panic - not syncing: Segfault with no mm
CPU: 0 PID: 1 Comm: swapper Not tainted 3.19.0-rc1-00058-g29169f8-dirty #5
Stack:
0852b791 00100100 0871eff4 080663c5 087217ec 087014ac 0871f000 08060cda
0875a3c0 0871f008 08061582 0871f018 08072354 00000000 871b5000 0871f710
df5e5c70 0000000f 00000063 00000000 0000002b 0000002b f0200000 00000000
Call Trace:
[<0852b791>] ? _raw_spin_lock+0x11/0x20
[<080663c5>] winch_cleanup+0x45/0x60
[<08060cda>] do_uml_exitcalls+0x1a/0x30
[<08061582>] uml_cleanup+0x12/0x20
[<08072354>] last_ditch_exit+0x24/0x30
[<080d7d08>] ? mempool_free_slab+0x18/0x20
[<080642ed>] ? __save_stack_trace+0x1d/0x40
[<08064328>] ? save_stack_trace+0x18/0x20
[<08060616>] ? deactivate_slab+0x424/0x470map_memory+0x56/0xc0
[<080742f9>] ? ? __munmap+0x16/0x40set_signals+0x19/0x50
[<08072c41>] [<080db1fc>] ?
get_page_from_freelist+0x32c/0x5b0os_unmap_memory+0x31/0x50
[<0852b831>] [<08062042>] ? ?
_raw_spin_unlock+0x11/0x20flush_tlb_kernel_range_common+0xa2/0x180
[<0810ceb4>] [<08062863>] ? ?
deactivate_slab+0x424/0x470flush_tlb_kernel_vm+0x13/0x20
[<0852b831>] [<08062e30>] ? ? _raw_spin_unlock+0x11/0x20segv+0x60/0x310
[<0810ceb4>] [<08073ffa>] ? ?
deactivate_slab+0x424/0x470unblock_signals+0x1a/0x90
[<080642ed>] [<080a8fcb>] ? ?
__save_stack_trace+0x1d/0x40handle_irq_event_percpu+0x10b/0x130
[<0852b831>] [<0852b791>] ? ?
_raw_spin_unlock+0x11/0x20_raw_spin_lock+0x11/0x20
[<080a902e>] [<0810ceb4>] ? ?
handle_irq_event+0x3e/0x50deactivate_slab+0x424/0x470
[<080742f9>] [<080642ed>] ? ?
set_signals+0x19/0x50__save_stack_trace+0x1d/0x40
[<080742f9>] [<0852b831>] ? ? set_signals+0x19/0x50_raw_spin_unlock+0x11/0x20
[<0852b85c>] [<0810ceb4>] ? ?
_raw_spin_unlock_irqrestore+0x1c/0x20deactivate_slab+0x424/0x470
[<08064ea4>] [<080642ed>] ? ? free_irqs+0x64/0xe0__save_stack_trace+0x1d/0x40
[<0806314b>] [<0852b831>] ? ?
segv_handler+0x6b/0x80_raw_spin_unlock+0x11/0x20 [<0807669c>]
? userspace_tramp+0xc/0x2b0
[<0807412c>] ? sig_handler_common+0xbc/0xd0
[<0810ceb4>] [<08076690>] ? ?
deactivate_slab+0x424/0x470userspace_tramp+0x0/0x2b0
[<080642ed>] [<0807669c>] ? ?
__save_stack_trace+0x1d/0x40userspace_tramp+0xc/0x2b0
[<0852b831>] [<08074208>] ? ? _raw_spin_unlock+0x11/0x20sig_handler+0x58/0x90
[<0812ce49>] [<08073cfe>] ? ? unlock_new_inode+0x59/0x60hard_handler+0x8e/0xd0
[<08074318>] [<08076690>] ? ? set_signals+0x38/0x50userspace_tramp+0x0/0x2b0
[<084dbe93>] [<08076690>] ? ?
__waitpid_nocancel+0x19/0x76userspace_tramp+0x0/0x2b0
[<08076d45>] [<0807669c>] ? ?
start_userspace+0x125/0x220userspace_tramp+0xc/0x2b0
[<080636aa>]
? /home/tfoerste/workspace/bin/start_uml.sh: line 108: 28833 Terminated
$LINUX earlyprintk ubda=$ROOTFS ubdb=$SWAP eth0=$NET mem=$MEM $TTY
umid=uml_$NAME rootfstype=ext4 "$ARGS"
--
Toralf
pgp key: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 0076 E94E
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