Strange kernel messages - Raspberry Pi Forums

hi there,

i've got strange kernel messages on rpi (linux picam 3.18.11+ #781 preempt tue apr 21 18:02:18 bst 2015 armv6l gnu/linux). knows reason it?

code: select all

[1162670.966408] unable handle kernel null pointer dereference @ virtual address 00000004 [1162671.012816] pgd = c21c8000 [1162671.027298] [00000004] *pgd=0a3e8831, *pte=00000000, *ppte=00000000 [1162671.063012] internal error: oops: 817 [#1] preempt arm [1162671.069240] modules linked in: snd_bcm2835 snd_pcm snd_seq snd_seq_device snd_timer snd arc4 rt2800usb rt2800lib rt2x00usb rt2x00lib mac80211 w1_therm cfg80211 crc_ccitt w1_gpio rfkill wire cn uio_pdrv_genirq uio [1162671.091450] cpu: 0 pid: 7392 comm: r3 not tainted 3.18.11+ #781 [1162671.098661] task: cb29de80 ti: c7500000 task.ti: c7500000 [1162671.105435] pc @ w1_slave_show+0x2d8/0x398 [w1_therm] [1162671.112289] lr @ vsnprintf+0x27c/0x3e0 [1162671.117857] pc : [<bf0d536c>]    lr : [<c02fc18c>]    psr: 28000113 [1162671.117857] sp : c7501e08  ip : bf0d55c0  fp : c7501e54 [1162671.132469] r10: 000000ac  r9 : c7501e27  r8 : c7501e27 [1162671.139379] r7 : ca249050  r6 : cb3b9000  r5 : 00000fe5  r4 : 00000000 [1162671.147661] r3 : 00000000  r2 : 100eff7f  r1 : 464b00e2  r0 : 0000000d [1162671.156008] flags: nzcv  irqs on  fiqs on  mode svc_32  isa arm  segment user [1162671.165073] control: 00c5387d  table: 021c8008  dac: 00000015 [1162671.172831] process r3 (pid: 7392, stack limit = 0xc75001b0) [1162671.180551] stack: (0xc7501e08 0xc7502000) [1162671.186923] 1e00:                   bf0d55d8 c0158764 00000001 cb2ff494 00000080 e20a8180 [1162671.198892] 1e20: 7f464b00 ac100eff cb004340 cb32e660 bf0d5704 c98f1bc0 00001000 cb3b9000 [1162671.210992] 1e40: c05a0ae4 00000001 c7501e6c c7501e58 c0364494 bf0d50a0 cb32e660 ca249058 [1162671.223162] 1e60: c7501e94 c7501e70 c01ab358 c0364474 cb32e660 00000001 c7501eb8 00000000 [1162671.235361] 1e80: 00001000 c77cadc0 c7501ea4 c7501e98 c01a9c88 c01ab2c8 c7501ef4 c7501ea8 [1162671.247693] 1ea0: c015cd10 c01a9c60 0000000f cb32e690 01224d50 c7501f78 00000000 00000000 [1162671.260212] 1ec0: 00000000 00000000 00000000 c98f1bc0 01224d50 c7500000 c7501f78 00001000 [1162671.272885] 1ee0: 01224d50 00001000 c7501f3c c7501ef8 c01aa670 c015cb64 c0008400 c0138688 [1162671.285709] 1f00: 556e7600 0601014b 00001c15 c7501f78 c7501f3c c77cadc0 01224d50 c7500000 [1162671.298735] 1f20: c7501f78 00001000 01224d50 00000000 c7501f74 c7501f40 c01386b4 c01aa558 [1162671.311895] 1f40: 00001c15 00000000 0000000f 00000000 00000000 c77cadc0 c77cadc0 00001000 [1162671.325478] 1f60: 01224d50 00000000 c7501fa4 c7501f78 c0138dc8 c0138628 00000000 00000000 [1162671.338697] 1f80: 017ccf70 00000004 0007f718 00000003 c000eaa8 c7500000 00000000 c7501fa8 [1162671.351972] 1fa0: c000e800 c0138d88 017ccf70 00000004 00000003 01224d50 00001000 00000101 [1162671.365196] 1fc0: 017ccf70 00000004 0007f718 00000003 00000040 00000001 017a05e8 00082d38 [1162671.378467] 1fe0: b6cefd28 be8a0408 000672d4 b6dec28c 60000010 00000003 1d393d92 0f0e5082 [1162671.392076] [<bf0d536c>] (w1_slave_show [w1_therm]) [<c0364494>] (dev_attr_show+0x2c/0x58) [1162671.405893] [<c0364494>] (dev_attr_show) [<c01ab358>] (sysfs_kf_seq_show+0x9c/0x104) [1162671.419266] [<c01ab358>] (sysfs_kf_seq_show) [<c01a9c88>] (kernfs_seq_show+0x34/0x38) [1162671.432670] [<c01a9c88>] (kernfs_seq_show) [<c015cd10>] (seq_read+0x1b8/0x488) [1162671.445403] [<c015cd10>] (seq_read) [<c01aa670>] (kernfs_fop_read+0x124/0x16c) [1162671.458557] [<c01aa670>] (kernfs_fop_read) [<c01386b4>] (vfs_read+0x98/0x188) [1162671.471145] [<c01386b4>] (vfs_read) [<c0138dc8>] (sys_read+0x4c/0xa0) [1162671.480720] [<c0138dc8>] (sys_read) [<c000e800>] (ret_fast_syscall+0x0/0x48) [1162671.493316] code: eb489c02 e5173004 e51b2031 e51b1035 (e5832004)  [1162672.291213] ---[ end trace c440a3c16564255d ]--- 

that's not strange message, that's kernel panic.
should report https://github.com/raspberrypi/linux/issues

raspberrypi