2.6.27.52-rc2

2.6.27.52-rc2

["S.Çağlar Onur"]

Hi,

I'm started to get following with 2.6.27.52-rc2 [1]. Just to note, this kernel is linux-vserver enabled but same patchset works fine with 2.6.27.51

BUG: sleeping function called from invalid context at mm/rmap.c:90
in_atomic():1, irqs_disabled():0
Pid: 1, comm: swapper Not tainted 2.6.27.51-22.planetlab #1
 [<c0417c16>] __might_sleep+0x97/0x9e
 [<c0468576>] anon_vma_prepare+0x1d/0xa8
 [<c0464e32>] expand_stack+0x12/0x87
 [<c04624c7>] handle_mm_fault+0x193/0x86c
 [<c0476343>] ? do_sync_read+0xab/0xe9
 [<c0461781>] ? follow_page+0x53/0x1e8
 [<c0462da5>] get_user_pages+0x205/0x2f4
 [<c04797af>] get_arg_page+0x2d/0x80
 [<c04d8d95>] ? strnlen_user+0x2b/0x49
 [<c04798c7>] copy_strings+0xc5/0x160
 [<c047997e>] copy_strings_kernel+0x1c/0x2b
 [<c047ac97>] do_execve+0xf2/0x1d3
 [<c0402133>] sys_execve+0x29/0x51
 [<c040393f>] carry_on+0xd/0x11
 [<c04700d8>] ? shmem_zero_setup+0x32/0x48
 [<c040643f>] ? kernel_execve+0x17/0x1c
 [<c04011fe>] ? run_init_process+0x17/0x19
 [<c040126a>] ? init_post+0x6a/0xd0
 [<c0404513>] ? kernel_thread_helper+0x7/0x10
 =======================
…
BUG: sleeping function called from invalid context at mm/rmap.c:90
in_atomic():1, irqs_disabled():0
Pid: 362, comm: init Not tainted 2.6.27.51-22.planetlab #1
 [<c0417c16>] __might_sleep+0x97/0x9e
 [<c0468576>] anon_vma_prepare+0x1d/0xa8
 [<c0464e32>] expand_stack+0x12/0x87
 [<c04624c7>] handle_mm_fault+0x193/0x86c
 [<c0476343>] ? do_sync_read+0xab/0xe9
 [<c0461781>] ? follow_page+0x53/0x1e8
 [<c0462da5>] get_user_pages+0x205/0x2f4
 [<c04797af>] get_arg_page+0x2d/0x80
 [<c04d8d95>] ? strnlen_user+0x2b/0x49
 [<c04798c7>] copy_strings+0xc5/0x160
 [<c047997e>] copy_strings_kernel+0x1c/0x2b
 [<c047ac97>] do_execve+0xf2/0x1d3
 [<c0402133>] sys_execve+0x29/0x51
 [<c0403895>] sysenter_do_call+0x12/0x25
 [<c0610000>] ? i8042_probe+0x179/0x4f6
 =======================
…


[1] http://www.cs.princeton.edu/~caglar/dmesg-52-rc2

Best regards.
--
S.Çağlar Onur <caglar@cs.princeton.edu>

Re: 2.6.27.52-rc2

[Greg KH]

On Mon, Aug 16, 2010 at 12:38:56PM -0400, "S.Çağlar Onur" wrote:
> Hi,
> 
> I'm started to get following with 2.6.27.52-rc2 [1]. Just to note,
> this kernel is linux-vserver enabled but same patchset works fine with
> 2.6.27.51

Can you try 2.6.27.52-rc3 out?

thanks,

greg k-h

Re: 2.6.27.52-rc2

["S.Çağlar Onur"]

Hi Greg,

On Aug 18, 2010, at 4:10 PM, Greg KH wrote:

> On Mon, Aug 16, 2010 at 12:38:56PM -0400, "S.Çağlar Onur" wrote:
>> Hi,
>> 
>> I'm started to get following with 2.6.27.52-rc2 [1]. Just to note,
>> this kernel is linux-vserver enabled but same patchset works fine with
>> 2.6.27.51
> 
> Can you try 2.6.27.52-rc3 out?

I already synced my branch with your stable-queue earlier and the problematic server seems to work fine without a problem.

> thanks,
> 
> greg k-h


--
S.Çağlar Onur <caglar@cs.princeton.edu>

Re: 2.6.27.52-rc2

[Greg KH]

On Wed, Aug 18, 2010 at 04:23:39PM -0400, "S.Çağlar Onur" wrote:
> Hi Greg,
> 
> On Aug 18, 2010, at 4:10 PM, Greg KH wrote:
> 
> > On Mon, Aug 16, 2010 at 12:38:56PM -0400, "S.Çağlar Onur" wrote:
> >> Hi,
> >> 
> >> I'm started to get following with 2.6.27.52-rc2 [1]. Just to note,
> >> this kernel is linux-vserver enabled but same patchset works fine with
> >> 2.6.27.51
> > 
> > Can you try 2.6.27.52-rc3 out?
> 
> I already synced my branch with your stable-queue earlier and the
> problematic server seems to work fine without a problem.

Wonderful, thanks so much for testing, I really appreciate it.

greg k-h