Re: [Crash-utility] Fwd: [PATCH 0/3] trace.so: Make trace dump -t work again

On 3/19/19 6:48 PM, Dave Anderson wrote: >>>>> The problem happens only with module symbols, not with kallsyms. >>>>> >>>>> crash> sym -M >>>>> c008000007810000 MODULE START: crc32c_vpmsum >>>>> c008000007810000 (^R) __crc32c_vpmsum >>>>> c008000007810670 (^B) crc32c_vpmsum_cra_init >>>>> c008000007810690 (^B) crc32c_vpmsum_setkey >>>> >>>> Hi Ravi, >>>> >>>> I have never seen this before, Simply do: # crash vmcore vmlinux crash> sym -M c008000007810000 MODULE START: crc32c_vpmsum c008000007810000 (^R) __crc32c_vpmsum c008000007810670 (^B) crc32c_vpmsum_cra_init But cmd_mod() seems to be doing right thing: crash> mod -s crc32c_vpmsum crash> sym -M c008000007810000 MODULE START: crc32c_vpmsum c008000007810000 (T) __crc32c_vpmsum c008000007810670 (t) crc32c_vpmsum_cra_init

>>>> but nonetheless, it does seem that Steve's patch >>>> to the trace.c module is the better course of action. Does it work OK >>>> for you? Yes Steve's patch fixes trace segfault for me.