KERN: Welcome to Kernel Debugging Land... KERN: Thread 40 "media checker" running on CPU 0 KERN: stack trace for thread 40 "media checker" KERN: kernel stack: 0x815b8000 to 0x815bc000 KERN: frame caller :function + offset KERN: 0 815bb9f8 (+ 32) 8012594a :arch_debug_stack_trace + 0x0012 KERN: 1 815bba18 (+ 16) 80091eef stack_trace_trampoline(NULL) + 0x000b KERN: 2 815bba28 (+ 12) 8012adb6 :arch_debug_call_with_fault_handler + 0x001b KERN: 3 815bba34 (+ 48) 8009397e :debug_call_with_fault_handler + 0x005e KERN: 4 815bba64 (+ 64) 8009210f kernel_debugger_loop(0x8016f797 "PANIC: ", 0x80148c60 "could not write back block %Ld (%s) KERN: ", 0x815bbb10 "", int32: 0) + 0x021b KERN: 5 815bbaa4 (+ 48) 80092473 kernel_debugger_internal(0x8016f797 "PANIC: ", 0x80148c60 "could not write back block %Ld (%s) KERN: ", 0x815bbb10 "", int32: 0) + 0x0053 KERN: 6 815bbad4 (+ 48) 80093cf8 :panic + 0x0024 KERN: 7 815bbb04 (+ 80) 800464d5 BlockWriter<0x815bbbcc>::_WriteBlock(cached_block*: 0x80d29f48) + 0x00c1 KERN: 8 815bbb54 (+ 48) 800462ef BlockWriter<0x815bbbcc>::Write(hash_iterator*: NULL, true) + 0x007f KERN: 9 815bbb84 (+ 368) 8004ad51 :block_cache_sync + 0x00d1 KERN: 10 815bbcf4 (+ 48) 8004a9f2 :block_cache_delete + 0x001a KERN: 11 815bbd24 (+ 48) 8032d8c3 :dosfs_unmount + 0x009f KERN: 12 815bbd54 (+ 96) 800e30b0 fs_unmount(0x0 "", int32: 4, uint32: 0x80000001, true) + 0x0578 KERN: 13 815bbdb4 (+ 32) 800dd5cb :vfs_unmount + 0x001b KERN: 14 815bbdd4 (+ 48) 800c57a8 BPrivate::DiskDevice::KPartition<0x82ec1298>::UninitializeContents(true) + 0x0080 KERN: 15 815bbe04 (+ 64) 800c3da5 BPrivate::DiskDevice::KPartition<0x82ec1298>::PrepareForRemoval(0xf) + 0x0025 KERN: 16 815bbe44 (+ 48) 800c119d BPrivate::DiskDevice::KDiskDeviceManager<0x828179c0>::PartitionRemoved(BPrivate::DiskDevice::KPartition*: 0x82ec1298) + 0x0029 KERN: 17 815bbe74 (+ 64) 800c5112 BPrivate::DiskDevice::KPartition<0x82c558c8>::RemoveChild(int32: 0) + 0x0092 KERN: 18 815bbeb4 (+ 48) 800c5286 BPrivate::DiskDevice::KPartition<0x82c558c8>::RemoveAllChildren(0x815bbf80) + 0x002a KERN: 19 815bbee4 (+ 48) 800c5766 BPrivate::DiskDevice::KPartition<0x82c558c8>::UninitializeContents(true) + 0x003e KERN: 20 815bbf14 (+ 48) 800bf251 BPrivate::DiskDevice::KDiskDevice<0x82c558c8>::UninitializeMedia(0x801a4900) + 0x0019 KERN: 21 815bbf44 (+ 80) 800c2811 BPrivate::DiskDevice::KDiskDeviceManager<0x828179c0>::_CheckMediaStatus(0xcccccccc) + 0x00f9 KERN: 22 815bbf94 (+ 32) 800c2936 BPrivate::DiskDevice::KDiskDeviceManager<0x828179c0>::_CheckMediaStatusDaemon(NULL) + 0x0012 KERN: 23 815bbfb4 (+ 48) 8007a12c common_thread_entry(0x815bbff0) + 0x0080 KERN: kdebug> esKERN: usb_disk: acquire_sem failed while waiting for data transfer KERN: usb_disk: write fails with 0x80000009 KERN: PANIC: could not write back block 1 (Operation timed out) KERN: KERN: Welcome to Kernel Debugging Land... KERN: Thread 14 "block notifier/writer" running on CPU 0 KERN: stack trace for thread 14 "block notifier/writer" KERN: kernel stack: 0x8192a000 to 0x8192e000 KERN: frame caller :function + offset KERN: 0 8192dca8 (+ 32) 8012594a :arch_debug_stack_trace + 0x0012 KERN: 1 8192dcc8 (+ 16) 80091eef stack_trace_trampoline(NULL) + 0x000b KERN: 2 8192dcd8 (+ 12) 8012adb6 :arch_debug_call_with_fault_handler + 0x001b KERN: 3 8192dce4 (+ 48) 8009397e :debug_call_with_fault_handler + 0x005e KERN: 4 8192dd14 (+ 64) 8009210f kernel_debugger_loop(0x8016f797 "PANIC: ", 0x80148c60 "could not write back block %Ld (%s) KERN: ", 0x8192ddc0 "", int32: 0) + 0x021b KERN: 5 8192dd54 (+ 48) 80092473 kernel_debugger_internal(0x8016f797 "PANIC: ", 0x80148c60 "could not write back block %Ld (%s) KERN: ", 0x8192ddc0 "", int32: 0) + 0x0053 KERN: 6 8192dd84 (+ 48) 80093cf8 :panic + 0x0024 KERN: 7 8192ddb4 (+ 80) 800464d5 BlockWriter<0x8192de94>::_WriteBlock(cached_block*: 0x80d29f48) + 0x00c1 KERN: 8 8192de04 (+ 48) 800462ef BlockWriter<0x8192de94>::Write(hash_iterator*: NULL, true) + 0x007f KERN: 9 8192de34 (+ 384) 800489ed block_notifier_and_writer(NULL) + 0x0265 KERN: 10 8192dfb4 (+ 48) 8007a12c common_thread_entry(0x8192dff0) + 0x0080 KERN: kdebug> esKERN: usb_disk: acquire_sem failed while waiting for data transfer KERN: usb_disk: unhandled ioctl 24 KERN: Media removed from /dev/disk/usb/1/0/raw KERN: usb_disk: acquire_sem failed while waiting for data transfer Last message repeated 3 times USER 'liblocale.so'[334]: app application/x-vnd.Haiku-StyledEdit send to client failed: Bad port ID KERN: usb_disk: acquire_sem failed while waiting for data transfer