[Swan] klips + ipsec whack --shutdown causes lockup
Paul Wouters
paul at nohats.ca
Mon Sep 9 13:42:27 UTC 2019
On Mon, 9 Sep 2019, Brian T wrote:
Maybe Richard can say something about this?
We are not actively supporting KLIPS on kernels > 3.x and working on
merging in XFRMi so we can remove KLIPS support entirely. We don't
have the resouces to work on KLIPS on 4.x/5.x
Paul
> Date: Mon, 9 Sep 2019 09:11:07
> From: Brian T <btuch at usa.net>
> Cc: Swan at lists.libreswan.org
> To: Paul Wouters <paul at nohats.ca>, Brian T <btuch at usa.net>
> Subject: Re: [Swan] klips + ipsec whack --shutdown causes lockup
>
>
>>
>> Found the dependency modules in the kernel config that were causing xfrm
>> to build and removed them. The lockup issue is still present.
>
> Here is the trace when shutting down. ipsec.ko is unloaded, but I do not see
> anything related to it in the trace.
>
>
>
> [ 570.847388] skbuff: skb_over_panic: text:c04d4e3c len:70 put:70 head:
> (null) data: (null) tail:0x46 end:0x0 dev:eth0
> [ 570.858268] ------------[ cut here ]------------
> [ 570.862909] Kernel BUG at c0596118 [verbose debug info unavailable]
> [ 570.869201] Internal error: Oops - BUG: 0 [#1] PREEMPT ARM
> [ 570.874708] Modules linked in: ipsec(O) cmac gcm ccm cdc_acm nf_log_ipv6
> nf_conntrack_ipv6 nf_defrag_ipv6 nf_log_ipv4 nf_log_common xt_multiport
> xt_TCPMSS xt_conntrack xt_LOG xt_limit iptable_mangle ipt_MASQUERADE
> nf_nat_masquerade_ipv4 xt_REDIRECT nf_nat_redirect iptable_nat
> nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_raw iptable_filter
> ip_tables ath9k_htc mac80211 ath9k_common ath9k_hw ath cfg80211 smsc95xx
> cdc_ncm cdc_ether GobiNet(O) usbnet mii GobiSerial(O) ti_am335x_adc kfifo_buf
> industrialio i2c_hid usbhid hid_generic hid xr_usb_serial_common(O) option
> usb_wwan usbserial ppp_async ppp_generic slhc gpio_keys evdev sd_mod sg
> mtd_spi_sram spi_omap2_mcspi lm75 ads1015 hwmon at25 at24 nvmem_core usb_f_ecm
> dwc3_omap sxni_iodb(O) g_ether usb_f_rndis libcomposite u_ether configfs
> jbm_feature [last unloaded: ipsec]
> [ 570.948854] CPU: 0 PID: 0 Comm: swapper Tainted: G O 4.9.119
> #1
> [ 570.955930] Hardware name: Generic AM43 (Flattened Device Tree)
> [ 570.961873] task: c0a08c38 task.stack: c0a00000
> [ 570.966436] PC is at skb_panic+0x64/0x68
> [ 570.970381] LR is at irq_work_queue+0xdc/0x104
> [ 570.974844] pc : [<c0596118>] lr : [<c0190e0c>] psr: 20000113
> [ 570.974844] sp : c0a01cc0 ip : c0a01b88 fp : c0a01ce4
> [ 570.986369] r10: c0112390 r9 : 00000046 r8 : 000a0000
> [ 570.991613] r7 : 00000000 r6 : c075c714 r5 : 00000000 r4 : 00000046
> [ 570.998166] r3 : c0a00000 r2 : 00000101 r1 : c0a257fc r0 : 0000006a
> [ 571.004721] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment
> none
> [ 571.011884] Control: 10c53c7d Table: 9df80059 DAC: 00000051
> [ 571.017652] Process swapper (pid: 0, stack limit = 0xc0a00210)
> [ 571.023507] Stack: (0xc0a01cc0 to 0xc0a02000)
> [ 571.027885] 1cc0: 00000046 00000000 00000000 00000046 00000000 df46f800
> c0a01d04 c0a01ce8
> [ 571.036100] 1ce0: c0596f80 c05960c0 dcccda00 df46f800 df467c10 dc8e3540
> c0a01d44 c0a01d08
> [ 571.044314] 1d00: c04d4e3c c0596f34 df46b640 e0a74ec0 c0a01d44 c0a01d20
> c036bbb4 e0a74ec0
> [ 571.052528] 1d20: df2a7d90 df46b7d0 dcccda00 00000046 000a0000 c0112390
> c0a01d7c c0a01d48
> [ 571.060743] 1d40: c04cd678 c04d4d9c 00000000 c01642d4 00000001 df2a7d90
> 000a0000 e0a74ec0
> [ 571.068957] 1d60: df46b7d0 4a102ec0 20000113 00000046 c0a01db4 c0a01d80
> c04cd844 c04cd5dc
> [ 571.077170] 1d80: c0164fd4 e0a74000 c0a2efd0 00000000 df2a7d90 00000040
> 00000040 df467c38
> [ 571.085383] 1da0: c0a28280 c0a01e18 c0a01dd4 c0a01db8 c04ce8b0 c04cd6a0
> 00000001 df467c38
> [ 571.093597] 1dc0: 00000000 00000040 c0a01dfc c0a01dd8 c04d675c c04ce878
> df467c38 00000001
> [ 571.101812] 1de0: 0000012c 000069cd 00000040 c0a28280 c0a01e54 c0a01e00
> c05a76d4 c04d671c
> [ 571.110025] 1e00: c082d65c c0834060 c082d318 c0a0373c c0a55128 c0a54e40
> c0a01e18 c0a01e18
> [ 571.118238] 1e20: c0a01e20 c0a01e20 df004000 00000000 c0a586cc 40000003
> ffffe000 c0a586c0
> [ 571.126452] 1e40: 00000101 00000003 c0a01eb4 c0a01e58 c0132f10 c05a75d0
> c0161cec c01642d4
> [ 571.134667] 1e60: 00000084 00200100 c0a28280 000069cc c07d700c c0703778
> 0000000a c0a58680
> [ 571.142880] 1e80: c0a25588 c0a586c0 c0a01eb4 c0a2efd0 00000000 00000000
> 00000001 df004000
> [ 571.151094] 1ea0: c0a00000 00000001 c0a01ec4 c0a01eb8 c01333e4 c0132e38
> c0a01eec c0a01ec8
> [ 571.159307] 1ec0: c0161490 c01332e0 c0a02b34 fa24010c c0a01f18 fa240100
> fa241100 c0a00000
> [ 571.167522] 1ee0: c0a01f14 c0a01ef0 c01014fc c016143c c0183d08 20000013
> ffffffff c0a01f4c
> [ 571.175736] 1f00: c0a4b108 c0a00000 c0a01f74 c0a01f18 c010c20c c01014c8
> 00000000 00000084
> [ 571.183949] 1f20: e88e1d61 000069cb ffffe000 c0a028b4 00000000 00000000
> c0a4b108 c0a54fa7
> [ 571.192163] 1f40: 00000001 c0a01f74 c0a01e80 c0a01f68 c0357168 c0183d08
> 20000013 ffffffff
> [ 571.200377] 1f60: 00000051 00000000 c0a01f94 c0a01f78 c015a004 c0183ce0
> c06d1b98 c07d8864
> [ 571.208591] 1f80: 00000002 c0a02840 c0a01fac c0a01f98 c06cf144 c0159fcc
> 00000000 c0a57000
> [ 571.216805] 1fa0: c0a01ff4 c0a01fb0 c0900c8c c06cf0c4 ffffffff ffffffff
> 00000000 c09006f0
> [ 571.225019] 1fc0: 00000000 c09398c4 00000000 c0a571d4 c0a0285c c09398c0
> c0a09db4 80004059
> [ 571.233232] 1fe0: 412fc09a 00000000 00000000 c0a01ff8 80008078 c0900984
> 00000000 00000000
> [ 571.241439] Backtrace:
> [ 571.243909] [<c05960b4>] (skb_panic) from [<c0596f80>] (skb_put+0x58/0x5c)
> [ 571.250827] [<c0596f28>] (skb_put) from [<c04d4e3c>]
> (cpsw_rx_handler+0xac/0x250)
> [ 571.258343] r7:dc8e3540 r6:df467c10 r5:df46f800 r4:dcccda00
> [ 571.264044] [<c04d4d90>] (cpsw_rx_handler) from [<c04cd678>]
> (__cpdma_chan_free+0xa8/0xc4)
> [ 571.272345] r10:c0112390 r9:000a0000 r8:00000046 r7:dcccda00 r6:df46b7d0
> r5:df2a7d90
> [ 571.280204] r4:e0a74ec0
> [ 571.282752] [<c04cd5d0>] (__cpdma_chan_free) from [<c04cd844>]
> (__cpdma_chan_process+0x1b0/0x1d0)
> [ 571.291663] r10:00000046 r9:20000113 r8:4a102ec0 r7:df46b7d0 r6:e0a74ec0
> r5:000a0000
> [ 571.299521] r4:df2a7d90
> [ 571.302068] [<c04cd694>] (__cpdma_chan_process) from [<c04ce8b0>]
> (cpdma_chan_process+0x44/0x5c)
> [ 571.310892] r10:c0a01e18 r9:c0a28280 r8:df467c38 r7:00000040 r6:00000040
> r5:df2a7d90
> [ 571.318751] r4:00000000
> [ 571.321298] [<c04ce86c>] (cpdma_chan_process) from [<c04d675c>]
> (cpsw_rx_poll+0x4c/0xc4)
> [ 571.329422] r7:00000040 r6:00000000 r5:df467c38 r4:00000001
> [ 571.335119] [<c04d6710>] (cpsw_rx_poll) from [<c05a76d4>]
> (net_rx_action+0x110/0x2c4)
> [ 571.342985] r9:c0a28280 r8:00000040 r7:000069cd r6:0000012c r5:00000001
> r4:df467c38
> [ 571.350776] [<c05a75c4>] (net_rx_action) from [<c0132f10>]
> (__do_softirq+0xe4/0x268)
> [ 571.358553] r10:00000003 r9:00000101 r8:c0a586c0 r7:ffffe000 r6:40000003
> r5:c0a586cc
> [ 571.366412] r4:00000000
> [ 571.368959] [<c0132e2c>] (__do_softirq) from [<c01333e4>]
> (irq_exit+0x110/0x144)
> [ 571.376389] r10:00000001 r9:c0a00000 r8:df004000 r7:00000001 r6:00000000
> r5:00000000
> [ 571.384247] r4:c0a2efd0
> [ 571.386798] [<c01332d4>] (irq_exit) from [<c0161490>]
> (__handle_domain_irq+0x60/0xb0)
> [ 571.394666] [<c0161430>] (__handle_domain_irq) from [<c01014fc>]
> (gic_handle_irq+0x40/0x6c)
> [ 571.403055] r9:c0a00000 r8:fa241100 r7:fa240100 r6:c0a01f18 r5:fa24010c
> r4:c0a02b34
> [ 571.410834] [<c01014bc>] (gic_handle_irq) from [<c010c20c>]
> (__irq_svc+0x6c/0xa8)
> [ 571.418345] Exception stack(0xc0a01f18 to 0xc0a01f60)
> [ 571.423415] 1f00:
> 00000000 00000084
> [ 571.431630] 1f20: e88e1d61 000069cb ffffe000 c0a028b4 00000000 00000000
> c0a4b108 c0a54fa7
> [ 571.439843] 1f40: 00000001 c0a01f74 c0a01e80 c0a01f68 c0357168 c0183d08
> 20000013 ffffffff
> [ 571.448057] r9:c0a00000 r8:c0a4b108 r7:c0a01f4c r6:ffffffff r5:20000013
> r4:c0183d08
> [ 571.455849] [<c0183cd4>] (tick_nohz_idle_enter) from [<c015a004>]
> (cpu_startup_entry+0x44/0x174)
> [ 571.464681] [<c0159fc0>] (cpu_startup_entry) from [<c06cf144>]
> (rest_init+0x8c/0x90)
> [ 571.472454] r7:c0a02840
> [ 571.475001] [<c06cf0b8>] (rest_init) from [<c0900c8c>]
> (start_kernel+0x314/0x320)
> [ 571.482513] r5:c0a57000 r4:00000000
> [ 571.486104] [<c0900978>] (start_kernel) from [<80008078>] (0x80008078)
> [ 571.492661] Code: e34c0082 e58d400c e58de010 ebf03935 (e7f001f2)
> [ 571.498782] ---[ end trace adcee6f4e49b6bb7 ]---
> [ 571.503418] Kernel panic - not syncing: Fatal exception in interrupt
> [ 571.509799] Rebooting in 30 seconds..
>
>
> If I comment out "rmmod ipsec" from _stackmanager and shutdown I get this
> (which still in the bottom part says ipsec was unloaded?)
>
> Sep 9 08:07:19 kernel: [ 373.641887] IPSEC EVENT: KLIPS device ipsec0 shut
> down.
> Sep 9 08:07:20 kernel: [ 374.376539]
> Sep 9 08:07:20 kernel: [ 374.529318]
> Sep 9 08:07:20 kernel: [ 374.529347] klips_info:pfkey_cleanup: shutting down
> PF_KEY domain sockets.
> Sep 9 08:07:20 kernel: [ 374.559223] NET: Unregistered protocol family 15
> [ 374.816756] Internal error: Oops: 5 [#1] PREEMPT ARM
> [ 374.821751] Modules linked in: cmac gcm ccm cdc_acm nf_log_ipv6
> nf_conntrack_ipv6 nf_defrag_ipv6 nf_log_ipv4 nf_log_common xt_multiport
> xt_TCPMSS xt_conntrack xt_LOG xt_limit iptable_mangle ipt_MASQUERADE
> nf_nat_masquerade_ipv4 xt_REDIRECT nf_nat_redirect iptable_nat
> nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_raw iptable_filter
> ip_tables ath9k_htc mac80211 ath9k_common ath9k_hw ath cfg80211 smsc95xx
> cdc_ncm cdc_ether GobiNet(O) usbnet mii GobiSerial(O) ti_am335x_adc kfifo_buf
> industrialio i2c_hid usbhid hid_generic hid xr_usb_serial_common(O) option
> usb_wwan usbserial ppp_async ppp_generic slhc gpio_keys evdev sd_mod sg
> mtd_spi_sram spi_omap2_mcspi lm75 ads1015 hwmon at25 at24 nvmem_core usb_f_ecm
> dwc3_omap sxni_iodb(O) g_ether usb_f_rndis libcomposite u_ether configfs
> jbm_feature [last unloaded: ipsec]
> [ 374.895105] CPU: 0 PID: 1678 Comm: sled_watcher Tainted: G O
> 4.9.119 #1
> [ 374.902880] Hardware name: Generic AM43 (Flattened Device Tree)
> [ 374.908823] task: df1ed100 task.stack: dddb4000
> [ 374.913386] PC is at copy_process.part.3+0xab4/0x1590
> [ 374.918457] LR is at 0x0
> [ 374.921000] pc : [<c012e048>] lr : [<00000000>] psr: 00010013
> [ 374.921000] sp : dddb5eb8 ip : ffff0002 fp : dddb5f3c
> [ 374.932525] r10: 00000000 r9 : 00000000 r8 : 00000000
> [ 374.937769] r7 : c0a58200 r6 : ddf8d540 r5 : ddc7e1b8 r4 : dd30daa8
> [ 374.944322] r3 : 000000b8 r2 : de0863c4 r1 : 00000000 r0 : ddc46798
> [ 374.950877] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment
> none
> [ 374.958041] Control: 10c53c7d Table: 9d9e8059 DAC: 00000051
> [ 374.963809] Process sled_watcher (pid: 1678, stack limit = 0xdddb4210)
> [ 374.970361] Stack: (0xdddb5eb8 to 0xdddb6000)
> [ 374.974735] 5ea0:
> dddb5ee4 fff7cdff
> [ 374.982949] 5ec0: 024000c0 ddf8d574 ddd131f4 ffffe000 ddf8d544 ddf8d540
> 00000000 00000000
> [ 374.991164] 5ee0: 01200011 ddd03448 ddd03280 ddd131c0 00000000 b6fd7c78
> 00000000 00000000
> [ 374.999377] 5f00: 44431ce7 00000057 dddb5f34 fffffff4 c013a9d0 01200011
> 00000000 b6fd80d0
> [ 375.007590] 5f20: 00000000 00000000 dddb4000 00000000 dddb5f8c dddb5f40
> c012ec84 c012d5a0
> [ 375.015804] 5f40: 00000000 00000000 ffffffff be909fc4 00000051 be909f44
> 00000051 be909fc4
> [ 375.024017] 5f60: 00000008 b6fd7c78 00000000 b6fd80d0 00000078 c0107d04
> dddb4000 00000000
> [ 375.032230] 5f80: dddb5fa4 dddb5f90 c012eff8 c012ebe8 b6fd7c78 00000000
> 00000000 dddb5fa8
> [ 375.040443] 5fa0: c0107b40 c012efdc b6fd7c78 00000000 01200011 00000000
> 00000000 00000000
> [ 375.048656] 5fc0: b6fd7c78 00000000 b6fd80d0 00000078 b6f9a000 00000000
> 00000000 b6fd7c10
> [ 375.056869] 5fe0: 00000078 be909ef0 b6f1995f b6ebd206 20010030 01200011
> 00000000 00000000
> [ 375.065075] Backtrace:
> [ 375.067544] [<c012d594>] (copy_process.part.3) from [<c012ec84>]
> (_do_fork+0xa8/0x328)
> [ 375.075498] r10:00000000 r9:dddb4000 r8:00000000 r7:00000000 r6:b6fd80d0
> r5:00000000
> [ 375.083358] r4:01200011
> [ 375.085906] [<c012ebdc>] (_do_fork) from [<c012eff8>]
> (SyS_clone+0x28/0x30)
> [ 375.092900] r10:00000000 r9:dddb4000 r8:c0107d04 r7:00000078 r6:b6fd80d0
> r5:00000000
> [ 375.100759] r4:b6fd7c78
> [ 375.103315] [<c012efd0>] (SyS_clone) from [<c0107b40>]
> (ret_fast_syscall+0x0/0x48)
> [ 375.110919] Code: e3130b02 0a000006 e28130b8 f5d3f000 (e1930f9f)
> [ 375.123423] ---[ end trace adcee6f4e49b6bb7 ]---
> Sep 9 08:07:21 kernel: [ 374.816726] Unable to handle kernel NULL pointer
> dereference at virtual address 000000b8
> Sep 9 08:07:21 kernel: [ 374.816738] pgd = dd9e8000
> Sep 9 08:07:21 kernel: [ 374.816743] [000000b8] *pgd=00000000
> Sep 9 08:07:21 kernel: [ 374.816756] Internal error: Oops: 5 [#1] PREEMPT
> ARM
> Sep 9 08:07:21 kernel: [ 374.821751] Modules linked in: cmac gcm ccm cdc_acm
> nf_log_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 nf_log_ipv4 nf_log_common
> xt_multiport xt_TCPMSS xt_conntrack xt_LOG xt_limit iptable_mangle
> ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_REDIRECT nf_nat_redirect iptable_nat
> nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat iptable_raw iptable_filter
> ip_tables ath9k_htc mac80211 ath9k_common ath9k_hw ath cfg80211 smsc95xx
> cdc_ncm cdc_ether GobiNet(O) usbnet mii GobiSerial(O) ti_am335x_adc kfifo_buf
> industrialio i2c_hid usbhid hid_generic hid xr_usb_serial_common(O) option
> usb_wwan usbserial ppp_async ppp_generic slhc gpio_keys evdev sd_mod sg
> mtd_spi_sram spi_omap2_mcspi lm75 ads1015 hwmon at25 at24 nvmem_core usb_f_ecm
> dwc3_omap sxni_iodb(O) g_ether usb_f_rndis libcomposite u_ether configfs
> jbm_feature
> Sep 9 08:07:21 kernel: [ 374.892904] [last unloaded: ipsec]
> Sep 9 08:07:21 kernel: [ 374.895105] CPU: 0 PID: 1678 Comm: sled_watcher
> Tainted: G O 4.9.119 #1
> Sep 9 08:07:21 kernel: [ 374.902880] Hardware name: Generic AM43 (Flattened
> Device Tree)
> Sep 9 08:07:21 kernel: [ 374.908823] task: df1ed100 task.stack: dddb4000
> Sep 9 08:07:21 kernel: [ 374.913386] PC is at
> copy_process.part.3+0xab4/0x1590
> Sep 9 08:07:21 kernel: [ 374.918457] LR is at 0x0
> Sep 9 08:07:21 kernel: [ 374.921000] pc : [<c012e048>] lr : [<00000000>]
> psr: 00010013
> Sep 9 08:07:21 kernel: [ 374.921000] sp : dddb5eb8 ip : ffff0002 fp :
> dddb5f3c
> Sep 9 08:07:21 kernel: [ 374.932525] r10: 00000000 r9 : 00000000 r8 :
> 00000000
> Sep 9 08:07:21 kernel: [ 374.937769] r7 : c0a58200 r6 : ddf8d540 r5 :
> ddc7e1b8 r4 : dd30daa8
> Sep 9 08:07:21 kernel: [ 374.944322] r3 : 000000b8 r2 : de0863c4 r1 :
> 00000000 r0 : ddc46798
> Sep 9 08:07:21 kernel: [ 374.950877] Flags: nzcv IRQs on FIQs on Mode
> SVC_32 ISA ARM Segment none
> Sep 9 08:07:21 kernel: [ 374.958041] Control: 10c53c7d Table: 9d9e8059
> DAC: 00000051
> Sep 9 08:07:21 kernel: [ 374.963809] Process sled_watcher (pid: 1678, stack
> limit = 0xdddb4210)
> Sep 9 08:07:21 kernel: [ 374.970361] Stack: (0xdddb5eb8 to 0xdddb6000)
> Sep 9 08:07:21 kernel: [ 374.974735] 5ea0:
> dddb5ee4 fff7cdff
> Sep 9 08:07:21 kernel: [ 374.982949] 5ec0: 024000c0 ddf8d574 ddd131f4
> ffffe000 ddf8d544 ddf8d540 00000000 00000000
> Sep 9 08:07:21 kernel: [ 374.991164] 5ee0: 01200011 ddd03448 ddd03280
> ddd131c0 00000000 b6fd7c78 00000000 00000000
> Sep 9 08:07:21 kernel: [ 374.999377] 5f00: 44431ce7 00000057 dddb5f34
> fffffff4 c013a9d0 01200011 00000000 b6fd80d0
> Sep 9 08:07:21 kernel: [ 375.007590] 5f20: 00000000 00000000 dddb4000
> 00000000 dddb5f8c dddb5f40 c012ec84 c012d5a0
> Sep 9 08:07:21 kernel: [ 375.015804] 5f40: 00000000 00000000 ffffffff
> be909fc4 00000051 be909f44 00000051 be909fc4
> Sep 9 08:07:21 kernel: [ 375.024017] 5f60: 00000008 b6fd7c78 00000000
> b6fd80d0 00000078 c0107d04 dddb4000 00000000
> Sep 9 08:07:21 kernel: [ 375.032230] 5f80: dddb5fa4 dddb5f90 c012eff8
> c012ebe8 b6fd7c78 00000000 00000000 dddb5fa8
> Sep 9 08:07:21 kernel: [ 375.040443] 5fa0: c0107b40 c012efdc b6fd7c78
> 00000000 01200011 00000000 00000000 00000000
> Sep 9 08:07:21 kernel: [ 375.048656] 5fc0: b6fd7c78 00000000 b6fd80d0
> 00000078 b6f9a000 00000000 00000000 b6fd7c10
> Sep 9 08:07:21 kernel: [ 375.056869] 5fe0: 00000078 be909ef0 b6f1995f
> b6ebd206 20010030 01200011 00000000 00000000
> Sep 9 08:07:21 kernel: [ 375.065075] Backtrace:
> Sep 9 08:07:21 kernel: [ 375.067544] [<c012d594>] (copy_process.part.3) from
> [<c012ec84>] (_do_fork+0xa8/0x328)
> Sep 9 08:07:21 kernel: [ 375.075498] r10:00000000 r9:dddb4000 r8:00000000
> r7:00000000 r6:b6fd80d0 r5:00000000
> Sep 9 08:07:21 kernel: [ 375.083358] r4:01200011
> Sep 9 08:07:21 kernel: [ 375.085906] [<c012ebdc>] (_do_fork) from
> [<c012eff8>] (SyS_clone+0x28/0x30)
> Sep 9 08:07:21 kernel: [ 375.092900] r10:00000000 r9:dddb4000 r8:c0107d04
> r7:00000078 r6:b6fd80d0 r5:00000000
> Sep 9 08:07:21 kernel: [ 375.100759] r4:b6fd7c78
> Sep 9 08:07:21 kernel: [ 375.103315] [<c012efd0>] (SyS_clone) from
> [<c0107b40>] (ret_fast_syscall+0x0/0x48)
> Sep 9 08:07:21 kernel: [ 375.110919] Code: e3130b02 0a000006 e28130b8
> f5d3f000 (e1930f9f)
> Sep 9 08:07:21 kernel: [ 375.123423] ---[ end trace adcee6f4e49b6bb7 ]---
>
>
>
>
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