Re: cgroup: BUG: unable to handle kernel NULL pointer dereference

2016-01-04 Thread Tejun Heo
Happy new year, Serge. On Mon, Jan 04, 2016 at 01:15:53PM -0600, Serge E. Hallyn wrote: > an updated set is at > https://git.kernel.org/cgit/linux/kernel/git/sergeh/linux-security.git/commit/?h=cgroupns.v9 > Would you like a new patchset send to the list, or is the github > tree ok? Please repos

Re: cgroup: BUG: unable to handle kernel NULL pointer dereference

2016-01-04 Thread Serge E. Hallyn
On Sat, Jan 02, 2016 at 06:54:37AM -0500, Tejun Heo wrote: > On Fri, Jan 01, 2016 at 03:40:28PM -0800, Jeremiah Mahler wrote: > > all, > > > > When running the latest linux-next (20151231) two of my machines > > hang early in the boot sequence. The initial message is for a > > NULL pointer derefe

Re: cgroup: BUG: unable to handle kernel NULL pointer dereference

2016-01-02 Thread Serge E. Hallyn
On Sat, Jan 02, 2016 at 06:59:16PM -0600, Serge E. Hallyn wrote: > On Sat, Jan 02, 2016 at 01:50:49PM -0800, Jeremiah Mahler wrote: > > Serge, > > > > On Sat, Jan 02, 2016 at 12:24:16PM -0600, Serge E. Hallyn wrote: > > [...] > > > > > > Tried to reproduce with setting CONFIG_CFQ_GROUP_IOSCHED=y,

Re: cgroup: BUG: unable to handle kernel NULL pointer dereference

2016-01-02 Thread Serge E. Hallyn
On Sat, Jan 02, 2016 at 01:50:49PM -0800, Jeremiah Mahler wrote: > Serge, > > On Sat, Jan 02, 2016 at 12:24:16PM -0600, Serge E. Hallyn wrote: > [...] > > > > Tried to reproduce with setting CONFIG_CFQ_GROUP_IOSCHED=y, but did not > > succeed. Could you send me the .config? Also, if someone cou

Re: cgroup: BUG: unable to handle kernel NULL pointer dereference

2016-01-02 Thread Jeremiah Mahler
Serge, On Sat, Jan 02, 2016 at 12:24:16PM -0600, Serge E. Hallyn wrote: [...] > > Tried to reproduce with setting CONFIG_CFQ_GROUP_IOSCHED=y, but did not > succeed. Could you send me the .config? Also, if someone could send > the objdump -d output that might help. Though really, it seems clear

Re: cgroup: BUG: unable to handle kernel NULL pointer dereference

2016-01-02 Thread Serge E. Hallyn
On Sat, Jan 02, 2016 at 06:54:37AM -0500, Tejun Heo wrote: > On Fri, Jan 01, 2016 at 03:40:28PM -0800, Jeremiah Mahler wrote: > > all, > > > > When running the latest linux-next (20151231) two of my machines > > hang early in the boot sequence. The initial message is for a > > NULL pointer derefe

Re: cgroup: BUG: unable to handle kernel NULL pointer dereference

2016-01-02 Thread Tejun Heo
On Fri, Jan 01, 2016 at 03:40:28PM -0800, Jeremiah Mahler wrote: > all, > > When running the latest linux-next (20151231) two of my machines > hang early in the boot sequence. The initial message is for a > NULL pointer dereference. > > BUG: unable to handle kernel NULL pointer dereference at

Re: [cgroup] BUG: unable to handle kernel NULL pointer dereference at 0000001c

2014-02-19 Thread Li Zefan
On 2014/2/19 20:25, Fengguang Wu wrote: > Greetings, > > I got the below dmesg and the first bad commit is > > git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-next > > commit ace2bee8135a3dc725958b8d08c55ee9df813d39 > Author: Tejun Heo > AuthorDate: Tue Feb 11 11:52:47 2014

Re: [cgroup] BUG: unable to handle kernel NULL pointer dereference at 0000000000000080

2014-02-07 Thread Tejun Heo
Hello, Fengguang. On Fri, Feb 07, 2014 at 10:33:33AM +0800, Fengguang Wu wrote: > Tejun, > > Here is another bisect. > > The first bad commit could be any of: > 5a87728c4502d0a99f53346545605360fce1e91e cgroup: factor out > cgroup_setup_root() from cgroup_mount() > 6a9fc7f859a24754999ff909601558