On Sun, Aug 2, 2009 at 22:50, Alan Stern<stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Sun, 2 Aug 2009, Alex Riesen wrote: > >> Any idea how to disable stack dumps so that there is more place >> for other output on a laptop screen? (no chance for serial console) > > Put a "return" statement at the start of dump_stack(). > That wasn't enough, but a "return" in die helped. So, I connect the device, run its bootloader, which causes a CDC ACM interface to appear. The /dev/ttyACM0 node appears, and I open it (with minicom). Then I just switch the device off and kernel oopses with: uhci_hcd 0000:00:1d.0: release dev 4 ep81-INT, period 128, phase 0, 23 us usb 5-1: uhci_result_common: failed with status 440000 usb 5-1: uhci_result_common: failed with status 440000 uhci_hcd 0000:00:1d.0: shutdown urb ffff88007de6bf00 ep3in-bulk BUG: unable to handle kernel NULL pointer dereference at 0000000000000003 IP: [<ffffffffa005ce38>] acm_rx_tasklet+0x24e/0x3a3 [cdc_acm] ... something will be missing here ---[ end trace ...]--- Kernel panic - not syncing: Fatal exception in interrupt -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
