Re: [BUG] Null pointer dereference when freeing pages on 4.6-rc6

2016-05-18 Thread Shi, Yang
On 5/16/2016 5:44 AM, Vlastimil Babka wrote: [+CC Joonsoo based on git blame] On 05/05/2016 11:13 PM, Shi, Yang wrote: Hi folks, When I enable the below kernel configs on 4.6-rc6, I came across null pointer deference issue in boot stage. CONFIG_SPARSEMEM CONFIG_DEFERRED_STRUCT_PAGE_INIT

Re: [BUG] Null pointer dereference when freeing pages on 4.6-rc6

2016-05-18 Thread Shi, Yang
On 5/16/2016 5:44 AM, Vlastimil Babka wrote: [+CC Joonsoo based on git blame] On 05/05/2016 11:13 PM, Shi, Yang wrote: Hi folks, When I enable the below kernel configs on 4.6-rc6, I came across null pointer deference issue in boot stage. CONFIG_SPARSEMEM CONFIG_DEFERRED_STRUCT_PAGE_INIT

Re: [BUG] Null pointer dereference when freeing pages on 4.6-rc6

2016-05-16 Thread Vlastimil Babka
[+CC Joonsoo based on git blame] On 05/05/2016 11:13 PM, Shi, Yang wrote: Hi folks, When I enable the below kernel configs on 4.6-rc6, I came across null pointer deference issue in boot stage. CONFIG_SPARSEMEM CONFIG_DEFERRED_STRUCT_PAGE_INIT CONFIG_DEBUG_PAGEALLOC CONFIG_PAGE_EXTENSION

Re: [BUG] Null pointer dereference when freeing pages on 4.6-rc6

2016-05-16 Thread Vlastimil Babka
[+CC Joonsoo based on git blame] On 05/05/2016 11:13 PM, Shi, Yang wrote: Hi folks, When I enable the below kernel configs on 4.6-rc6, I came across null pointer deference issue in boot stage. CONFIG_SPARSEMEM CONFIG_DEFERRED_STRUCT_PAGE_INIT CONFIG_DEBUG_PAGEALLOC CONFIG_PAGE_EXTENSION

[BUG] Null pointer dereference when freeing pages on 4.6-rc6

2016-05-05 Thread Shi, Yang
Hi folks, When I enable the below kernel configs on 4.6-rc6, I came across null pointer deference issue in boot stage. CONFIG_SPARSEMEM CONFIG_DEFERRED_STRUCT_PAGE_INIT CONFIG_DEBUG_PAGEALLOC CONFIG_PAGE_EXTENSION CONFIG_DEBUG_VM The splat is: BUG: unable to handle kernel NULL pointer

[BUG] Null pointer dereference when freeing pages on 4.6-rc6

2016-05-05 Thread Shi, Yang
Hi folks, When I enable the below kernel configs on 4.6-rc6, I came across null pointer deference issue in boot stage. CONFIG_SPARSEMEM CONFIG_DEFERRED_STRUCT_PAGE_INIT CONFIG_DEBUG_PAGEALLOC CONFIG_PAGE_EXTENSION CONFIG_DEBUG_VM The splat is: BUG: unable to handle kernel NULL pointer