AC87U with 56_2 and Transmission

Hi guys,

When i'm using thransmission offten i recieve some errors in my log file:
1. kernel: BUG: scheduling while atomic: mtdblock3/252/0x40000002
Dec 11 15:20:05 kernel: module: sr_mod bf808000 10842
Dec 11 15:20:05 kernel: module: cdrom bf7fb000 30901
Dec 11 15:20:05 kernel: module: cdc_mbim bf7f5000 3129
Dec 11 15:20:05 kernel: module: qmi_wwan bf7ee000 5780
Dec 11 15:20:05 kernel: module: cdc_wdm bf7e7000 7248
Dec 11 15:20:05 kernel: module: cdc_ncm bf7df000 8750
Dec 11 15:20:05...

AC87U with 56_2 and Transmission