mt352 driver crashes in certain situations. Here is the setup 01:00.0 VGA compatible controller: ATI Technologies Inc RV505 CE [Radeon X1550 64-bit] 04:00.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11) 04:00.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11) DVB-T card uses dvb_bt8xx driver. The error messages are Apr 22 16:37:50 laika kernel: [ 687.777413] mt352_read_register: readreg error (reg=0, ret==-6) Apr 22 16:37:50 laika kernel: [ 687.778010] mt352_read_register: readreg error (reg=20, ret==-6) Apr 22 16:37:50 laika kernel: [ 687.778607] mt352_read_register: readreg error (reg=21, ret==-6) Apr 22 16:37:50 laika kernel: [ 687.779204] mt352_read_register: readreg error (reg=9, ret==-6) Apr 22 16:37:50 laika kernel: [ 687.779801] mt352_read_register: readreg error (reg=13, ret==-6) Apr 22 16:37:50 laika kernel: [ 687.780406] mt352_read_register: readreg error (reg=14, ret==-6) Apr 22 16:37:50 laika kernel: [ 687.781003] mt352_read_register: readreg error (reg=15, ret==-6) Apr 22 16:37:50 laika kernel: [ 687.781600] mt352_read_register: readreg error (reg=16, ret==-6) Apr 22 16:37:50 laika kernel: [ 687.782197] mt352_read_register: readreg error (reg=17, ret==-6) Driver works fine for some time. Then when I turn my monitor (attached with dvi to the ATI video card) on, mt352 driver crashes and starts to produce those errors. This problem sounds like a hardware problem, but I am filing this bug if there is something that can be done in the software side. I have tried to switch PCI and PCIe slots to no avail.