>> stack backtrace:
>> [<c0103b69>] dump_trace+0x65/0x1a2
>> [<c0103cb6>] show_trace_log_lvl+0x10/0x20
>> [<c0103f84>] show_trace+0xa/0xc
>> [<c0103f99>] dump_stack+0x13/0x15
>> [<c0132ea4>] __lock_acquire+0x7bd/0xa05
>> [<c01333c1>] lock_acquire+0x5c/0x7b
>> [<c034b683>] __mutex_lock_slowpath+0xab/0x1de
>> [<f8902177>] i2c_transfer+0x23/0x40 [i2c_core]
>> [<f88fa1bf>] dibx000_i2c_gated_tuner_xfer+0x166/0x185 [dibx000_common]
>> [<f8902183>] i2c_transfer+0x2f/0x40 [i2c_core]
>> [<f891f04b>] mt2060_readreg+0x4b/0x69 [mt2060]
>> [<f891f45e>] mt2060_attach+0x40/0x1ea [mt2060]
>> [<f895f468>] dibusb_dib3000mc_tuner_attach+0x126/0x16c
>> [dvb_usb_dibusb_common]
>> [<d10ea000>] 0xd10ea000
>> DWARF2 unwinder stuck at 0xd10ea000
>
>Hmm, no assembly code or anything. Jan, do you have any ideas?
>This looks just like a simple callback that goes over a module
>boundary.
No, except if this was compiled with gcc 4.0.x (or maybe earlier), in which
case inspection of the unwind data might be needed to tell if it's one of the
mis-generated cases that we saw earlier.
Again - a stack trace alone (as above) will never be likely to yield anything,
raw stack data and in some (most?) cases the relevant unwind data are also
needed.
Jan
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