Hi Sandeep, pls check 0xc92f which function is at this address ? On Fri, Sep 2, 2011 at 4:41 PM, sandeep kumar <coolsandyforyou@xxxxxxxxx> wrote: > Logs after enabling the CONFIG_DEBUG_USER and setting user_debug to 255, to > get more info....(as suggested by Dave..) > > <3>[ 89.663286] init: [boot time] processing action 0x4c5e8 > (property:init.svc.samsungani=stopped) > <3>[ 89.663988] init: [boot time] processing action 0x4ef20 > (property:init.svc.samsungani=stopped) > <7>[ 89.664049] init: unhandled page fault (11) at 0x00000000, code > 0x80000007 > <1>[ 89.664080] pgd = de370000 > <1>[ 89.664110] [00000000] *pgd=5eb83031, *pte=00000000, *ppte=00000000 > <4>[ 89.664141] > <4>[ 89.664171] Pid: 1, comm: init > <4>[ 89.664202] CPU: 1 Not tainted (2.6.35.11 #4) > <4>[ 89.664232] PC is at 0x0 > <4>[ 89.664232] LR is at 0xc92f > <4>[ 89.664263] pc : [<00000000>] lr : [<0000c92f>] psr: 60000010 > <4>[ 89.664293] sp : bebb5e70 ip : ffffff88 fp : 00000000 > <4>[ 89.664324] r10: 0003777c r9 : 00000001 r8 : 00000001 > <4>[ 89.664355] r7 : 0003777c r6 : bebb5e94 r5 : 00000000 r4 : 0003777c > <4>[ 89.664385] r3 : 00000000 r2 : 0004ef40 r1 : 0004ef50 r0 : 00000033 > <4>[ 89.664446] Flags: nZCv IRQs on FIQs on Mode USER_32 ISA ARM > Segment user > <4>[ 89.664477] Control: 10c57c7d Table: 5e77006a DAC: 00000015 > <0>[ 89.664660] Kernel panic - not syncing: Attempted to kill init! > <4>[ 89.664721] [<c01076b8>] (unwind_backtrace+0x0/0x164) from > [<c072436c>] (panic+0x6c/0xec) > <4>[ 89.664782] [<c072436c>] (panic+0x6c/0xec) from [<c01a931c>] > (do_exit+0x70/0x6a0) > <4>[ 89.664812] [<c01a931c>] (do_exit+0x70/0x6a0) from [<c01a99dc>] > (do_group_exit+0x90/0xc0) > <4>[ 89.664873] [<c01a99dc>] (do_group_exit+0x90/0xc0) from [<c01b8fc4>] > (get_signal_to_deliver+0x3e0/0x424) > <4>[ 89.664934] [<c01b8fc4>] (get_signal_to_deliver+0x3e0/0x424) from > [<c01039d8>] (do_signal+0x68/0x640) > <4>[ 89.664995] [<c01039d8>] (do_signal+0x68/0x640) from [<c0103fc8>] > (do_notify_resume+0x18/0x38) > <4>[ 89.665056] [<c0103fc8>] (do_notify_resume+0x18/0x38) from > [<c0100bd0>] (work_pending+0x1c/0x20) > <2>[ 89.665117] CPU0: stopping > <0>[ 89.665117] Rebooting in 5 seconds..[<c01076b8>] > (unwind_backtrace+0x0/0x164) from [<c0100334>] (do_IPI+0xd8/0x154) > <4>[ 89.665178] [<c0100334>] (do_IPI+0xd8/0x154) from [<c0727f4c>] > (__irq_svc+0x4c/0xe4) > <4>[ 89.665240] Exception stack(0xdc02fd90 to 0xdc02fdd8) > <4>[ 89.665270] fd80: c1bd34a0 > ffffffff c1bd34a8 40100068 > <4>[ 89.665301] fda0: c1bd34a0 dcd060b0 00000008 761945df c1bd34a0 > ddd5ac90 00000001 77fa555f > <4>[ 89.665362] fdc0: 00000001 dc02fdd8 c0221558 c0213e68 20000113 > ffffffff > <4>[ 89.665423] [<c0727f4c>] (__irq_svc+0x4c/0xe4) from [<c0213e68>] > (put_page+0xc/0x120) > <4>[ 89.665453] [<c0213e68>] (put_page+0xc/0x120) from [<c0221558>] > (do_wp_page+0x5fc/0x6f4) > <4>[ 89.665514] [<c0221558>] (do_wp_page+0x5fc/0x6f4) from [<c0221fe0>] > (handle_mm_fault+0x66c/0x718) > <4>[ 89.665575] [<c0221fe0>] (handle_mm_fault+0x66c/0x718) from > [<c0729e40>] (do_page_fault+0x190/0x35c) > <4>[ 89.665636] [<c0729e40>] (do_page_fault+0x190/0x35c) from [<c01004f8>] > (do_DataAbort+0x34/0x94) > <4>[ 89.665667] [<c01004f8>] (do_DataAbort+0x34/0x94) from [<c07283e0>] > (ret_from_exception+0x0/0x10) > <4>[ 89.665728] Exception stack(0xdc02ffb0 to 0xdc02fff8) > <4>[ 89.665758] ffa0: 00000001 > 40548448 00000000 4576c008 > <4>[ 89.665789] ffc0: 00015a36 00052378 40548448 40548448 00000003 > 801a6610 80198a08 8018abbf > <4>[ 89.665850] ffe0: 801a6828 beb0c340 80151525 8016d202 00000030 > ffffffff > <3>[ 94.671801] set_dload_mode <0> ( c0171bf8 ) > <5>[ 94.671862] Going down for restart now > > On Fri, Sep 2, 2011 at 12:56 PM, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> > wrote: >> >> Hi :) >> >> On Fri, Sep 2, 2011 at 13:03, sandeep kumar <coolsandyforyou@xxxxxxxxx> >> wrote: >> > Hi, >> > >> > im working on android, kernel version 2.6.35.11 >> >> Briefly checking the dump, looks like it's ARM processor? >> >> > I got these logs showing kernel panic and the target is rebooting. >> > >> > From the logs i understood in init process something is causing kernel >> > panic. >> .....[cut].... >> > [<c01039d8>] (do_signal+0x68/0x640) >> > <4>[ 85.237359] [<c01039d8>] (do_signal+0x68/0x640) from [<c0103fc8>] >> > (do_notify_resume+0x18/0x38) >> > <4>[ 85.237450] [<c0103fc8>] (do_notify_resume+0x18/0x38) from >> > [<c0100bd0>] (work_pending+0x1c/0x20) >> >> with the asumption that Android kernel is just another version of >> Linux kernel, I think this backtrace shows us that something is wrong >> with one (or more) work queue (or thread worker? something like that) >> you or somebody else has made. >> >> So, do you recally creating one? >> >> > <0>[ 85.237542] Rebooting in 5 seconds.. >> > <2>[ 85.237572] CPU0: stopping >> > <4>[ 85.237603] [<c01076b8>] (unwind_backtrace+0x0/0x164) from >> > [<c0100338>] (do_IPI+0xd8/0x154) >> > <4>[ 85.237695] [<c0100338>] (do_IPI+0xd8/0x154) from [<c0728188>] >> > (__irq_usr+0x48/0xe0) >> >> So, rebooting fails? looks like something is clobbering the kernel >> stack way too much IMHO... >> >> > <4>[ 85.237756] Exception stack(0xdc18dfb0 to 0xdc18dff8) >> > <4>[ 85.237817] dfa0: 00000000 >> > 0000007c 00000000 4097b240 >> > <4>[ 85.237878] dfc0: 45957cfe 4ba95bd8 4fc24a48 000000f4 80118200 >> > ffffe9f4 00000000 801a6374 >> > <4>[ 85.237939] dfe0: 000000f4 4fc249f8 8011d0a8 8011bf18 20000010 >> > ffffffff >> >> I am not familiar with those register names, sorry... >> >> -- >> regards, >> >> Mulyadi Santosa >> Freelance Linux trainer and consultant >> >> blog: the-hydra.blogspot.com >> training: mulyaditraining.blogspot.com > > > > -- > With regards, > Sandeep Kumar Anantapalli, > > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies