Re: Kernel crash due to memory corruption with v5.4.26-rt17 and PowerPC e500

2020-05-29 Thread Mark Marshall
, but the bug was still the same. On Fri, 29 May 2020 at 18:15, Sebastian Andrzej Siewior wrote: > > On 2020-05-29 17:38:39 [+0200], Mark Marshall wrote: > > Hi Sebastian & list, > Hi, > > > I had assumed that my e-mail had got lost or overlooked, I was meaning to

Re: Kernel crash due to memory corruption with v5.4.26-rt17 and PowerPC e500

2020-05-29 Thread Mark Marshall
is commit. For instance, why has it been removed from the RT patchset? How are these things tracked, generally? Best regards, Mark On Fri, 29 May 2020 at 15:14, Sebastian Andrzej Siewior wrote: > > On 2020-05-04 11:40:08 [+0200], Mark Marshall wrote: > > The easiest way

Kernel crash due to memory corruption with v5.4.26-rt17 and PowerPC e500

2020-05-04 Thread Mark Marshall
e error message "Bad rss-counter state"? Any help or advice would be most gratefully received. Many thanks, Mark Marshall and Thomas Graziadei PS. Thomas Grazidei (my colleague) did find a bug in the start_32.S file for the e500, and we have the fix for that included

Re: [PATCH v4 5/6] powerpc: Chunk calls to flush_dcache_range in arch_*_memory

2019-09-27 Thread Mark Marshall
Comment below... On Thu, 26 Sep 2019 at 12:18, Alastair D'Silva wrote: > > From: Alastair D'Silva > > When presented with large amounts of memory being hotplugged > (in my test case, ~890GB), the call to flush_dcache_range takes > a while (~50 seconds), triggering RCU stalls. > > This patch