id summary reporter owner description type status priority milestone component version resolution keywords cc blockedby blocking platform 5544 PANIC: Invalid concurrent access to page 0x83e81284 (start), currently accessed by: 10 mvfranz bonefish "Hi, I am using r35770 trying to build gcc and the kernel had a panic. I have included the back trace. {{{ PANIC: Invalid concurrent access to page 0x83e81284 (start), currently accessed by: 10 Welcome to Kernel Debugging Land... Thread 137900 ""sh"" running on CPU 1 kdebug> bt stack trace for thread 137900 ""sh"" kernel stack: 0x812eb000 to 0x812ef000 user stack: 0x7efed000 to 0x7ffed000 frame caller :function + offset 0 812eeb70 (+ 32) 8006ec29 invoke_command_trampoline(void*: [34m0x812eebf0[0m) + 0x0015 1 812eeb90 (+ 12) 800e20b8 :arch_debug_call_with_fault_handler + 0x001b 2 812eeb9c (+ 48) 8006cad6 :debug_call_with_fault_handler + 0x0051 3 812eebcc (+ 64) 8006efa6 :invoke_debugger_command + 0x00bb 4 812eec0c (+ 48) 8006f0c3 invoke_pipe_segment(debugger_command_pipe*: [34m0x801355a2[0m, int32: [34m0[0m, char*: NULL) + 0x0083 5 812eec3c (+ 32) 8006f18b :invoke_debugger_command_pipe + 0x008b 6 812eec5c (+ 128) 80072f16 ExpressionParser<[32m0x812eed2c[0m>::_ParseCommandPipe(int&: [34m0x812eed28[0m) + 0x0aae 7 812eecdc (+ 48) 800756df ExpressionParser<[32m0x812eed2c[0m>::EvaluateCommand(char const*: [34m0x801355a0[0m [36m""bt""[0m, int&: [34m0x812eed28[0m) + 0x06df 8 812eed0c (+ 192) 80075858 :evaluate_debug_command + 0x0084 9 812eedcc (+ 64) 8006d7a2 kernel_debugger_loop(char const*: [34m0x1[0m [31m""""[0m, char const*: [34m0x8012a412[0m [36m""PANIC: ""[0m, char*: [34m0x812eee3c[0m, int32: [34m-2147034808[0m) + 0x026c 10 812eee0c (+ 48) 8006d966 kernel_debugger_internal(char const*: [34m0x1[0m [31m""""[0m, char const*: [34m0x82ba44c8[0m [36m""(<Ä""[0m, char*: [34m0x812eee5c[0m, int32: [34m-2147034314[0m) + 0x011c 11 812eee3c (+ 32) 8006db49 :panic + 0x0023 12 812eee5c (+ 176) 800c6a00 vm_soft_fault(VMAddressSpace*: [34m0x1[0m, uint32: [34m0xc202f41d[0m, [34mtrue[0m, [34mtrue[0m) + 0x0903 13 812eef0c (+ 64) 800c7114 :vm_page_fault + 0x026a 14 812eef4c (+ 80) 800dd880 page_fault_exception(iframe*: [34m0x812eefa8[0m) + 0x0171 15 812eef9c (+ 12) 800e24c6 :int_bottom_user + 0x005a user iframe at 0x812eefa8 (end = 0x812ef000) eax 0x8 ebx 0x3788a8 ecx 0x6fff0000 edx 0x4 esi 0x378f60 edi 0x0 ebp 0x7ffec378 esp 0x812eefdc eip 0x303572 eflags 0x10246 user esp 0x7ffec360 vector: 0xe, error code: 0x7 16 812eefa8 (+ 0) 00303572 :unknown + 0x52572 17 7ffec378 (+ 32) 00339a79 :unknown + 0x88a79 18 7ffec398 (+ 48) 0022f373 :unknown + 0x2f373 19 7ffec3c8 (+ 144) 0022fc59 :unknown + 0x2fc59 20 7ffec458 (+ 192) 0022ca2a :unknown + 0x2ca2a 21 7ffec518 (+ 208) 0022d3b6 :unknown + 0x2d3b6 22 7ffec5e8 (+ 96) 0027bc1a :unknown + 0x7bc1a 23 7ffec648 (+ 240) 0023b50f :unknown + 0x3b50f 24 7ffec738 (+ 160) 0023df84 :unknown + 0x3df84 25 7ffec7d8 (+ 32) 0023ef38 :unknown + 0x3ef38 26 7ffec7f8 (+ 64) 00242a5a :unknown + 0x42a5a 27 7ffec838 (+ 64) 0023ba8d :unknown + 0x3ba8d 28 7ffec878 (+ 96) 0023bc1f :unknown + 0x3bc1f 29 7ffec8d8 (+ 16) 0023bf0a :unknown + 0x3bf0a 30 7ffec8e8 (+ 128) 0023e753 :unknown + 0x3e753 31 7ffec968 (+ 16) 0023ef12 :unknown + 0x3ef12 32 7ffec978 (+ 128) 0022f70a :unknown + 0x2f70a 33 7ffec9f8 (+ 192) 0022ca2a :unknown + 0x2ca2a 34 7ffecab8 (+ 64) 0022dabf :unknown + 0x2dabf 35 7ffecaf8 (+ 192) 0022d187 :unknown + 0x2d187 36 7ffecbb8 (+ 64) 0022dabf :unknown + 0x2dabf 37 7ffecbf8 (+ 192) 0022d187 :unknown + 0x2d187 38 7ffeccb8 (+ 64) 0022dabf :unknown + 0x2dabf 39 7ffeccf8 (+ 192) 0022cdd7 :unknown + 0x2cdd7 40 7ffecdb8 (+ 64) 0022dabf :unknown + 0x2dabf 41 7ffecdf8 (+ 64) 002266bc :unknown + 0x266bc 42 7ffece38 (+ 304) 002261d7 :unknown + 0x261d7 43 7ffecf68 (+ 52) 0021a0dd :unknown + 0x1a0dd 44 7ffecf9c (+ 64) 00105367 :unknown + 0x5367 45 7ffecfdc (+ 0) 7ffecfec 3049032:sh_main_stack@0x7efed000 + 0xffffec kdebug> }}}" bug closed normal R1 System/Kernel R1/Development fixed All