Re: [BUG]rmmod null_blk lead to general protection fault on 3.19.0-rc6

2015-02-02 Thread Jinpu Wang
On Mon, Feb 2, 2015 at 4:54 PM, Jens Axboe wrote: > On 02/02/2015 06:50 AM, Jinpu Wang wrote: >> Hi Jens, >> >> I found 2 patches commits (74170118b & e09aae7e)from >>

Re: [BUG]rmmod null_blk lead to general protection fault on 3.19.0-rc6

2015-02-02 Thread Jens Axboe
On 02/02/2015 06:50 AM, Jinpu Wang wrote: > Hi Jens, > > I found 2 patches commits (74170118b & e09aae7e)from >

Re: [BUG]rmmod null_blk lead to general protection fault on 3.19.0-rc6

2015-02-02 Thread Jinpu Wang
Hi Jens, I found 2 patches commits (74170118b & e09aae7e)from https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git/log/?h=for-linus After apply those 2 patches, the bug was fixed. Is it possible to include those 2 patches in official 3.19.0? On Mon, Feb 2, 2015 at 12:11 PM,

[BUG]rmmod null_blk lead to general protection fault on 3.19.0-rc6

2015-02-02 Thread Jinpu Wang
When rmmod null_blk lead to GPF below: [ 29.193712] IPv6: ADDRCONF(NETDEV_CHANGE): ib0: link becomes ready [ 62.216289] general protection fault: [#1] SMP DEBUG_PAGEALLOC [ 62.216586] Dumping ftrace buffer: [ 62.216660](ftrace buffer empty) [ 62.216730] Modules linked in:

Re: [BUG]rmmod null_blk lead to general protection fault on 3.19.0-rc6

2015-02-02 Thread Jinpu Wang
Hi Jens, I found 2 patches commits (74170118b e09aae7e)from https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git/log/?h=for-linus After apply those 2 patches, the bug was fixed. Is it possible to include those 2 patches in official 3.19.0? On Mon, Feb 2, 2015 at 12:11 PM, Jinpu

[BUG]rmmod null_blk lead to general protection fault on 3.19.0-rc6

2015-02-02 Thread Jinpu Wang
When rmmod null_blk lead to GPF below: [ 29.193712] IPv6: ADDRCONF(NETDEV_CHANGE): ib0: link becomes ready [ 62.216289] general protection fault: [#1] SMP DEBUG_PAGEALLOC [ 62.216586] Dumping ftrace buffer: [ 62.216660](ftrace buffer empty) [ 62.216730] Modules linked in:

Re: [BUG]rmmod null_blk lead to general protection fault on 3.19.0-rc6

2015-02-02 Thread Jens Axboe
On 02/02/2015 06:50 AM, Jinpu Wang wrote: Hi Jens, I found 2 patches commits (74170118b e09aae7e)from

Re: [BUG]rmmod null_blk lead to general protection fault on 3.19.0-rc6

2015-02-02 Thread Jinpu Wang
On Mon, Feb 2, 2015 at 4:54 PM, Jens Axboe ax...@fb.com wrote: On 02/02/2015 06:50 AM, Jinpu Wang wrote: Hi Jens, I found 2 patches commits (74170118b e09aae7e)from