Re: sparc: deadlock using perf with sched tracepoints and user callstacks

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: David Ahern <david.ahern@xxxxxxxxxx>
Date: Wed, 22 Apr 2015 18:39:53 -0600

> gcc related tasks will start erroring out. Odd that it is mainly gcc
> and friends getting hit.
> 
> I threw a printk into all of the sigbus places under arch/sparc. One
> that kept triggering is sun4v_do_mna. I was not able to get any info
> about why.

Unaligned memory accesses are not a good sign, it usually means
userspace is getting corrupted.
--
To unsubscribe from this list: send the line "unsubscribe sparclinux" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Kernel Development]     [DCCP]     [Linux ARM Development]     [Linux]     [Photo]     [Yosemite Help]     [Linux ARM Kernel]     [Linux SCSI]     [Linux x86_64]     [Linux Hams]

  Powered by Linux