Re: [5.9.0-rc5-20200914] Kernel crash while running LTP(mlock201)

2020-09-15 Thread Sachin Sant
> On 15-Sep-2020, at 6:39 PM, Matthew Wilcox wrote: > > On Tue, Sep 15, 2020 at 09:24:38PM +1000, Michael Ellerman wrote: >> Sachin Sant writes: >>> While running LTP tests (specifically mlock201) against next-20200914 tree >>> on a POWER9 LPAR results in following crash. >> >> Looks the

Re: [5.9.0-rc5-20200914] Kernel crash while running LTP(mlock201)

2020-09-15 Thread Matthew Wilcox
On Tue, Sep 15, 2020 at 09:24:38PM +1000, Michael Ellerman wrote: > Sachin Sant writes: > > While running LTP tests (specifically mlock201) against next-20200914 tree > > on a POWER9 LPAR results in following crash. > > Looks the same as: > >

Re: [5.9.0-rc5-20200914] Kernel crash while running LTP(mlock201)

2020-09-15 Thread Michael Ellerman
Sachin Sant writes: > While running LTP tests (specifically mlock201) against next-20200914 tree > on a POWER9 LPAR results in following crash. Looks the same as: https://lore.kernel.org/linux-mm/20200914085545.GB28738@shao2-debian/ cheers > BUG: Kernel NULL pointer dereference on read at

[5.9.0-rc5-20200914] Kernel crash while running LTP(mlock201)

2020-09-15 Thread Sachin Sant
While running LTP tests (specifically mlock201) against next-20200914 tree on a POWER9 LPAR results in following crash. BUG: Kernel NULL pointer dereference on read at 0x Faulting instruction address: 0xc0454248 Oops: Kernel access of bad area, sig: 11 [#1] LE PAGE_SIZE=64K