Messages in this thread | | | Date | Tue, 10 Jan 2012 14:59:59 +0900 | Subject | Re: BUG: sleeping function called from invalid context at include/linux/freezer.h:45 | From | Kyungmin Park <> |
| |
On 1/10/12, Amit Sahrawat <amit.sahrawat83@gmail.com> wrote: > On Tue, Jan 10, 2012 at 9:57 AM, Kyungmin Park <kmpark@infradead.org> wrote: >> Dear all >> >> with the latest kernel. I got the below bug message. >> It calls the sleep function. Does it intended operation? >> >> static inline bool try_to_freeze(void) >> { >> might_sleep(); >> if (likely(!freezing(current))) >> return false; >> return __refrigerator(false); >> } > this change is part of this GIT: > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=a0acae0e886d44bd5ce6d2f173c1ace0fcf0d9f6 > >> >> # poweroff >> [ 6.852523] BUG: sleeping function called from invalid context at >> include/linux/freezer.h:45 >> [ 6.859489] in_atomic(): 0, irqs_disabled(): 128, pid: 1, name: init >> [ 6.865846] [<c0013508>] (unwind_backtrace+0x0/0xec) from >> [<c0010124>] (do_signal+0x88/0x588) >> [ 6.874337] [<c0010124>] (do_signal+0x88/0x588) from [<c001063c>] >> (do_notify_resume+0x18/0x38) >> [ 6.882928] [<c001063c>] (do_notify_resume+0x18/0x38) from >> [<c000dc18>] (work_pending+0x24/0x28) > is this the complete backtrace...? yes > The above backtrace shows that freezing was called from a context > wherein - IRQs are disabled - which resulted in this error. > How about checking ... > BUG_ON(irqs_disabled()); in try_to_freeze()... > not sure though... please check and update me also... Here's update trace with BUG_ON(irqs_disabled())
# poweroff [ 8.147056] ------------[ cut here ]------------ [ 8.150205] kernel BUG at include/linux/freezer.h:45! [ 8.155236] Internal error: Oops - undefined instruction: 0 [#1] PREEMPT SMP [ 8.162266] Modules linked in: [ 8.165306] CPU: 1 Not tainted (3.2.0+ #97) [ 8.169830] PC is at do_signal+0x84/0x598 [ 8.173814] LR is at do_notify_resume+0x18/0x38 [ 8.178327] pc : [<c0010120>] lr : [<c001064c>] psr: 20000093 [ 8.178333] sp : df849ed0 ip : 00100100 fp : 00000000 [ 8.189781] r10: b6cd089c r9 : df848000 r8 : 00000000 [ 8.194991] r7 : c000dd44 r6 : fffffe00 r5 : b6cd08a0 r4 : df849fb0 [ 8.201500] r3 : ffffffff r2 : 00000080 r1 : c000dd44 r0 : df849fb0 [ 8.208011] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment use r [ 8.215215] Control: 10c53c7d Table: 5f9c004a DAC: 00000015 [ 8.220945] Process init (pid: 1, stack limit = 0xdf8482f0) [ 8.226498] Stack: (0xdf849ed0 to 0xdf84a000) [ 8.230840] 9ec0: df848000 00000000 00000 000 c0042b18 [ 8.239001] 9ee0: df849f30 c0269028 0000c350 00000001 bee6fc08 df849f30 0000c 350 0000c350 [ 8.247161] 9f00: 00000000 3b9aca00 00000001 df84a00c 00000001 00000001 df849 f2c c004bc18 [ 8.255320] 9f20: df849f60 df848000 00000000 c026aa60 df849f60 c0025890 df849 f60 df844168 [ 8.263478] 9f40: 00000004 00000003 00000000 00000000 00000000 df848000 00000 000 c0025960 [ 8.271637] 9f60: 00000003 00000004 00000000 00000000 00000000 00000000 00000 000 df844000 [ 8.279797] 9f80: c0024468 00000001 00000000 00000000 00000072 00000000 df848 000 00000000 [ 8.287956] 9fa0: 00000000 c001064c b6f0fa88 c000dc18 ffffffff 00000000 00000 000 00000000 [ 8.296115] 9fc0: b6f0fa88 00000000 00000000 00000072 ffffffff 00000000 00000 2fe 00000000 [ 8.304275] 9fe0: b6d73000 bee6fc18 b6ed2c8c b6cd089c 60000010 ffffffff fffff fff ffffffff [ 8.312442] [<c0010120>] (do_signal+0x84/0x598) from [<c001064c>] (do_notify_ resume+0x18/0x38) [ 8.321032] [<c001064c>] (do_notify_resume+0x18/0x38) from [<c000dc18>] (work _pending+0x24/0x28) [ 8.329795] Code: e5843000 e10f2000 e2122080 0a000001 (e7f001f2) [ 8.335894] ---[ end trace 036b1d3292ef9478 ]--- # [ 8.340671] Kernel panic - not syncing: Attempted to kill init! [ 8.346579] [<c0013508>] (unwind_backtrace+0x0/0xec) from [<c0267eac>] (panic +0x5c/0x1a0) [ 8.354724] [<c0267eac>] (panic+0x5c/0x1a0) from [<c0025b54>] (do_exit+0xa0/0 x6d4) [ 8.362279] [<c0025b54>] (do_exit+0xa0/0x6d4) from [<c0011534>] (die+0x1c4/0x 1f0) [ 8.369735] [<c0011534>] (die+0x1c4/0x1f0) from [<c0008368>] (do_undefinstr+0 x164/0x188) [ 8.377806] [<c0008368>] (do_undefinstr+0x164/0x188) from [<c000d868>] (__und _svc+0x48/0x60) [ 8.386221] Exception stack(0xdf849e88 to 0xdf849ed0) [ 8.391256] 9e80: df849fb0 c000dd44 00000080 ffffffff df849 fb0 b6cd08a0 [ 8.399416] 9ea0: fffffe00 c000dd44 00000000 df848000 b6cd089c 00000000 00100 100 df849ed0 [ 8.407571] 9ec0: c001064c c0010120 20000093 ffffffff [ 8.412612] [<c000d868>] (__und_svc+0x48/0x60) from [<c0010120>] (do_signal+0 x84/0x598) [ 8.420598] [<c0010120>] (do_signal+0x84/0x598) from [<c001064c>] (do_notify_ resume+0x18/0x38) [ 8.429190] [<c001064c>] (do_notify_resume+0x18/0x38) from [<c000dc18>] (work _pending+0x24/0x28) [ 8.437952] CPU0: stopping [ 8.440645] [<c0013508>] (unwind_backtrace+0x0/0xec) from [<c0012524>] (handl e_IPI+0xec/0x168) [ 8.449234] [<c0012524>] (handle_IPI+0xec/0x168) from [<c0008558>] (gic_handl e_irq+0xa0/0xac) [ 8.457740] [<c0008558>] (gic_handle_irq+0xa0/0xac) from [<c000d7c0>] (__irq_ svc+0x40/0x70) [ 8.466066] Exception stack(0xc036df40 to 0xc036df88) [ 8.471106] df40: 0006542c 00001f40 00000008 18b8ce13 c0801318 00000000 c036c 000 c03859d4 [ 8.479264] df60: c03a6538 412fc091 00000000 00000000 18b8cdfb c036df88 c0058 f6c c001da9c [ 8.487419] df80: 20000013 ffffffff [ 8.490904] [<c000d7c0>] (__irq_svc+0x40/0x70) from [<c001da9c>] (exynos4_ent er_idle+0x2c/0x5c) [ 8.499583] [<c001da9c>] (exynos4_enter_idle+0x2c/0x5c) from [<c021c3e4>] (cp uidle_idle_call+0x1a0/0x340) [ 8.509128] [<c021c3e4>] (cpuidle_idle_call+0x1a0/0x340) from [<c000ed24>] (c pu_idle+0x74/0xe0) [ 8.517810] [<c000ed24>] (cpu_idle+0x74/0xe0) from [<c034a858>] (start_kernel +0x32c/0x384) [ 8.526049] Rebooting in 1 seconds.. >> >> commit e4e11180dfa545233e5145919b75b7fac88638df >> Merge: 37cfc3f adc0e91 >> Author: Linus Torvalds <torvalds@linux-foundation.org> >> Date: Mon Jan 9 17:37:37 2012 -0800 >> >> Merge branch 'for-linus' of >> git://git.kernel.org/pub/scm/linux/kernel/git/vi >> >> Thank you, >> Kyungmin Park >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ >
| |