PANIC: hit kernel breakpoint: dr6: 0xffff0ff1, dr7: 0x703 Welcome to Kernel Debugging Land... Thread 60 "scsi_bus_service" running on CPU 0 stack trace for thread 60 "scsi_bus_service" kernel stack: 0x819e6000 to 0x819ea000 frame caller :function + offset 0 819e9c38 (+ 32) 800ff56e :arch_debug_stack_trace + 0x0012 1 819e9c58 (+ 16) 80073b53 stack_trace_trampoline(NULL) + 0x000b 2 819e9c68 (+ 12) 8010710a :arch_debug_call_with_fault_handler + 0x001b 3 819e9c74 (+ 48) 80075607 :debug_call_with_fault_handler + 0x005b 4 819e9ca4 (+ 64) 80073d77 kernel_debugger_loop(0x8013d277 "PANIC: ", 0x80156ee0 "hit kernel %spoint: dr6: 0x%lx, dr7: 0x%lx", 0x819e9d50 "▒n▒▒▒▒", int32: 0) + 0x021f 5 819e9ce4 (+ 48) 800740d8 kernel_debugger_internal(0x8013d277 "PANIC: ", 0x80156ee0 "hit kernel %spoint: dr6: 0x%lx, dr7: 0x%lx", 0x819e9d50 "▒n▒▒▒▒", int32: 0) + 0x0048 6 819e9d14 (+ 48) 80075978 :panic + 0x0024 7 819e9d44 (+ 80) 80109acc :x86_handle_debug_exception + 0x00d8 8 819e9d94 (+ 12) 801080bd :int_bottom + 0x003d kernel iframe at 0x819e9da0 (end = 0x819e9df0) eax 0x1 ebx 0x8179bb28 ecx 0x8383ad24 edx 0x50 esi 0x8383ad24 edi 0x0 ebp 0x819e9e08 esp 0x819e9dd4 eip 0x81795c8d eflags 0x210246 vector: 0x1, error code: 0x0 9 819e9da0 (+ 104) 81795c8d ATAChannel<0x83033960>::FinishRequest(ATARequest*: 0x830310c0, uint32: 0x50 (80), uint8: 0x0 (0)) + 0x0129 10 819e9e08 (+ 48) 81798dc8 ATAPIDevice<0x8383ab20>::_FinishRequest(ATARequest*: 0x830310c0, uint32: 0x10 (16)) + 0x002c 11 819e9e38 (+ 64) 81798912 ATAPIDevice<0x8383ab20>::SendPacket(ATARequest*: 0x830310c0) + 0x0332 12 819e9e78 (+ 64) 81798c71 ATAPIDevice<0x8383ab20>::ExecuteIO(ATARequest*: 0x830310c0) + 0x0091 13 819e9eb8 (+ 80) 8179530c ATAChannel<0x83033960>::ExecuteIO(scsi_ccb*: 0x819ea6d4) + 0x01d4 14 819e9f08 (+ 48) 8179823a ata_sim_scsi_io(0x83033960, scsi_ccb*: 0x819ea6d4) + 0x0046 15 819e9f38 (+ 48) 8191fd9f :scsi_check_exec_service + 0x00ef 16 819e9f68 (+ 48) 8191bb89 :scsi_do_service + 0x0031 17 819e9f98 (+ 64) 8191bbf5 :scsi_service_threadproc + 0x0059 18 819e9fd8 (+ 32) 80064b1f _create_kernel_thread_kentry() + 0x001b 19 819e9ff8 (+2120310792) 80064abc thread_kthread_exit() + 0x0000 kdebug> calling periph_io thread id state wait for object cpu pri stack team name 0x824ad000 407 waiting sem 314 - 10 0x80268000 407 cat 0x83868800 51 waiting sem 313 - 10 0x81967000 1 media checker kdebug> bt 407 stack trace for thread 407 "cat" kernel stack: 0x80268000 to 0x8026c000 user stack: 0x7efef000 to 0x7ffef000 frame caller :function + offset 0 8026b394 (+ 48) 8006f577 context_switch(thread*: 0x824ad000, thread*: 0x8016b180) + 0x003f 1 8026b3c4 (+ 96) 8006f948 reschedule() + 0x038c 2 8026b424 (+ 64) 80059531 :switch_sem_etc + 0x0355 3 8026b464 (+ 48) 80059184 :acquire_sem + 0x001c 4 8026b494 (+ 112) 81936678 periph_io(scsi_periph_device_info*: 0x83031100, IOOperation*: 0x8026b5e4, 0x8026b530) + 0x0268 5 8026b504 (+ 48) 8192e5b2 do_io(0x83030398, IOOperation*: 0x8026b5e4) + 0x0032 6 8026b534 (+ 96) 80091953 IOCache<0xce51dd20>::_DoOperation(IOCache::Operation&: 0x8026b5e4) + 0x003f 7 8026b594 (+ 320) 80091c64 IOCache<0xce51dd20>::_TransferPages(uint32: 0x0 (0), uint32: 0xff (255), false) + 0x0240 8 8026b6d4 (+ 144) 800915a1 IOCache<0xce51dd20>::_TransferRequestLine(IORequest*: 0xce5807f8, int64: 486539264, uint32: 0xfe800 (1042432), int64: 486539264, uint32: 0xf800 (63488)) + 0x0615 9 8026b764 (+ 112) 80090f60 IOCache<0xce51dd20>::_DoRequest(IORequest*: 0xce5807f8, 0x8026b808) + 0x0164 10 8026b7d4 (+ 64) 80090cab IOCache<0xce51dd20>::ScheduleRequest(IORequest*: 0xce5807f8) + 0x0087 11 8026b814 (+ 48) 8192ea10 cd_io(0xcd93fd08, IORequest*: 0xce5807f8) + 0x003c 12 8026b844 (+ 32) 80084a2c AbstractModuleDevice<0x83027b58>::IO(0xcd93fd08, IORequest*: 0xce5807f8) + 0x001c 13 8026b864 (+ 64) 8008ab11 devfs_io(fs_volume*: 0xccd170a0, fs_vnode*: 0xccdfa0cc, 0xcd93fd00, IORequest*: 0xce5807f8) + 0x01b9 14 8026b8a4 (+ 64) 800c5c94 :vfs_vnode_io + 0x002c 15 8026b8e4 (+ 224) 800c5795 do_iterative_fd_io_iterate(0xce5e0960, IORequest*: 0x8026bab0, 0x8026b9f3) + 0x0255 16 8026b9c4 (+ 64) 800c60db :do_iterative_fd_io + 0x016b 17 8026ba04 (+ 64) 86607cf5 fs_io(fs_volume*: 0xcd9726e0, fs_vnode*: 0x830721dc, NULL, IORequest*: 0x8026bab0) + 0x0071 18 8026ba44 (+ 64) 800c5c94 :vfs_vnode_io + 0x002c 19 8026ba84 (+ 192) 800bbfff :vfs_read_pages + 0x0063 20 8026bb44 (+ 496) 8003fc64 read_into_cache(file_cache_ref*: 0x83064b18, NULL, int64: 20643840, int32: 0, uint32: 0x18038000, uint32: 0x10000 (65536), true, vm_page_reservation*: 0x8026bde8, uint32: 0x0 (0)) + 0x01a8 21 8026bd34 (+ 192) 80040e31 cache_io(0x83064b18, NULL, int64: 20705280, uint32: 0x18047000, 0x8026bf2c, false) + 0x06d9 22 8026bdf4 (+ 80) 80041832 :file_cache_read + 0x0036 23 8026be44 (+ 64) 86607e64 fs_read(fs_volume*: 0xcd9726e0, fs_vnode*: 0x830721dc, 0xcebad000, int64: 20643840, 0x18038000, 0x8026bf2c) + 0x0074 24 8026be84 (+ 64) 800bdcaf file_read(file_descriptor*: 0xce5e0708, int64: 20643840, 0x18038000, 0x8026bf2c) + 0x0067 25 8026bec4 (+ 80) 800aab35 common_user_io(int32: 3, int64: -1, 0x18038000, uint32: 0x10000 (65536), false) + 0x017d 26 8026bf14 (+ 48) 800aafd0 :_user_read + 0x0028 27 8026bf44 (+ 100) 801082f2 :handle_syscall + 0x00af user iframe at 0x8026bfa8 (end = 0x8026c000) eax 0x87 ebx 0x2d11c0 ecx 0x7ffeedc0 edx 0xffff0114 esi 0x10000 edi 0x10000 ebp 0x7ffeedfc esp 0x8026bfdc eip 0xffff0114 eflags 0x207 user esp 0x7ffeedc0 vector: 0x63, error code: 0x0 28 8026bfa8 (+ 0) ffff0114 :commpage_syscall + 0x0004 29 7ffeedfc (+ 48) 00204b31 <_APP_>:safe_read + 0x0029 30 7ffeee2c (+ 48) 002021d8 <_APP_>:usage (nearest) + 0x0248 31 7ffeee5c (+ 288) 00202b7a <_APP_>:main + 0x0482 32 7ffeef7c (+ 48) 00201e6b <_APP_>:_start + 0x005b 33 7ffeefac (+ 48) 00105d62 :unknown + 0x5d62 34 7ffeefdc (+ 0) 7ffeefec 4528:cat_main_stack@0x7efef000 + 0xffffec kdebug> io_operation 0x8026b5e4 io_operation at 0x8026b5e4 parent: 0x8026b640 status: No Error (1) dma buffer: 0xcd38f480 offset: 487063552 (original: 487063552) length: 518144 (original: 518144) transferred: 0 block size: 2048 saved vec index: 20600 saved vec length: 52913 r/w: read phase: do all partial begin: no partial end: no bounce buffer: no kdebug> io_request 0x8026b640 io_request at 0x8026b640 owner: 0x00000000 parent: 0x00000000 status: No Error (1) mutex: 0x8026b65c IOBuffer: 0xce5e87f8 offset: 486539264 length: 1042432 transfer size: 1042432 relative offset: 0 pending children: 2 flags: 0x1 team: 407 thread: 407 r/w: read partial transfer: no finished cvar: 0x8026b6b4 iteration: vec index: 10 vec offset: 980992 remaining bytes: 0 callbacks: finished 0x00000000, cookie 0x00000000 iteration 0x00000000, cookie 0x00000000 children: 0x8026b5e4 kdebug> io_scheduler 0xce51dd20 IOCache at 0xce51dd20 DMA resource: 0x83033e88 kdebug> dw 0xce51dd20 32 [0xce51dd20] ▒.R.....▒>.▒▒Q. ce5210f0 00000000 83033e88 ce51a0f8 [0xce51dd30] ....▒咁▒..▒.... 00000001 8192e580 83030398 cccccc01 [0xce51dd40] @=.▒▒..▒....▒... 80163d40 80141d80 00000000 00000197 [0xce51dd50] .....▒.......... cccccc00 1d0fe800 00000000 00100000 [0xce51dd60] ........▒....▒U▒ 00000014 00000100 000000df 8155f000 [0xce51dd70] ....▒▒Q..P▒..▒.. 00000001 ce51dd98 ceb15000 ceb0d800 [0xce51dd80] ................ 00000000 00000000 00000000 00000000 [0xce51dd90] .........▒Q..... 00000000 00000000 ce51de10 cccccccc kdebug>