Re: [RFC PATCH v0] powerpc: Fix BUG_ON during memory unplug on radix

On Wed, Jun 19, 2019 at 02:36:54PM +0530, Aneesh Kumar K.V wrote: > Bharata B Rao writes: > > > We hit the following BUG_ON when memory hotplugged before reboot > > is unplugged after reboot: > > > > kernel BUG at arch/powerpc/mm/pgtable-frag.c:113! > > > > remove_pagetable+0x594/0x6a0 > > (unr

Re: [RFC PATCH v0] powerpc: Fix BUG_ON during memory unplug on radix

On Wed, Jun 19, 2019 at 08:17:01PM +1000, Nicholas Piggin wrote: > Bharata B Rao's on June 19, 2019 5:45 pm: > > We hit the following BUG_ON when memory hotplugged before reboot > > is unplugged after reboot: > > > > kernel BUG at arch/powerpc/mm/pgtable-frag.c:113! > > > > remove_pagetable+0x59

Re: [RFC PATCH v0] powerpc: Fix BUG_ON during memory unplug on radix

Bharata B Rao's on June 19, 2019 5:45 pm: > We hit the following BUG_ON when memory hotplugged before reboot > is unplugged after reboot: > > kernel BUG at arch/powerpc/mm/pgtable-frag.c:113! > > remove_pagetable+0x594/0x6a0 > (unreliable) > remove_pagetable+0x94/0x6a0 > vmemmap_free+0x394/0x

Re: [RFC PATCH v0] powerpc: Fix BUG_ON during memory unplug on radix

Bharata B Rao writes: > We hit the following BUG_ON when memory hotplugged before reboot > is unplugged after reboot: > > kernel BUG at arch/powerpc/mm/pgtable-frag.c:113! > > remove_pagetable+0x594/0x6a0 > (unreliable) > remove_pagetable+0x94/0x6a0 > vmemmap_free+0x394/0x410 > sparse_remove

[RFC PATCH v0] powerpc: Fix BUG_ON during memory unplug on radix

We hit the following BUG_ON when memory hotplugged before reboot is unplugged after reboot: kernel BUG at arch/powerpc/mm/pgtable-frag.c:113! remove_pagetable+0x594/0x6a0 (unreliable) remove_pagetable+0x94/0x6a0 vmemmap_free+0x394/0x410 sparse_remove_one_section+0x26c/0x2e8 __remove_pages+0