Re: [Bugme-new] [Bug 36192] New: Kernel panic when boot the 2.6.39+ kernel based off of 2.6.32 kernel

[Andrew Morton <akpm@linux-foundation.org>]

(switched to email.  Please respond via emailed reply-to-all, not via the
bugzilla web interface).

On Mon, 30 May 2011 02:38:33 GMT bugzilla-daemon@bugzilla.kernel.org wrote:

> https://bugzilla.kernel.org/show_bug.cgi?id=36192
> 
>            Summary: Kernel panic when boot the 2.6.39+ kernel based off of
>                     2.6.32 kernel
>            Product: Memory Management
>            Version: 2.5
>     Kernel Version: 2.6.39+
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: Page Allocator
>         AssignedTo: akpm@linux-foundation.org
>         ReportedBy: qcui@redhat.com
>         Regression: Yes
> 
> 
> Created an attachment (id=60012)
>  --> (https://bugzilla.kernel.org/attachment.cgi?id=60012)
> kernel panic console output
> 
> When I updated the kernel from 2.6.32 to 2.6.39+ on a server with AMD
> Magny-Cours CPU, the server can not boot the 2.6.39+ kernel successfully. The
> console ouput showed 'Kernel panic - not syncing: Attempted to kill the idle
> task!' I have tried to set the kernel parameter idle=poll in the grub file. It
> still failed to reboot due to the same error. But it can reboot successfully on
> the server with Intel CPU. The full console output is attached.
> 
> Steps to reproduce:
> 1. install the 2.6.32 kernel
> 2. compile and install the kernel 2.6.39+
> 3. reboot
> 

hm, this is not good.  Might be memcg-related?

> BUG: unable to handle kernel paging request at 0000000000001c08
> IP: [<ffffffff811076cc>] __alloc_pages_nodemask+0x7c/0x1f0
> PGD 0 
> Oops: 0000 [#1] SMP 
> last sysfs file: 
> CPU 0 
> Modules linked in:
> 
> Pid: 0, comm: swapper Not tainted 2.6.39+ #1 AMD DRACHMA/DRACHMA
> RIP: 0010:[<ffffffff811076cc>]  [<ffffffff811076cc>] __alloc_pages_nodemask+0x7c/0x1f0
> RSP: 0000:ffffffff81a01e48  EFLAGS: 00010246
> RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
> RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000002d0
> RBP: ffffffff81a01ea8 R08: ffffffff81c03680 R09: 0000000000000000
> R10: 0000000000000001 R11: 0000000000000001 R12: 00000000000002d0
> R13: 0000000000001c00 R14: ffffffff81a01fa8 R15: 0000000000000000
> FS:  0000000000000000(0000) GS:ffff880437800000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 0000000000001c08 CR3: 0000000001a03000 CR4: 00000000000006b0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process swapper (pid: 0, threadinfo ffffffff81a00000, task ffffffff81a0b020)
> Stack:
>  0000000000000000 0000000000000000 ffffffff81a01eb8 000002d000000008
>  ffffffff00000020 ffffffff81a01ec8 ffffffff81a01e88 0000000000000008
>  0000000000100000 0000000000000000 ffffffff81a01fa8 0000000000093cf0
> Call Trace:
>  [<ffffffff81107d7f>] alloc_pages_exact_nid+0x5f/0xc0
>  [<ffffffff814b2dea>] alloc_page_cgroup+0x2a/0x80
>  [<ffffffff814b2ece>] init_section_page_cgroup+0x8e/0x110
>  [<ffffffff81c4a2f1>] page_cgroup_init+0x6e/0xa7
>  [<ffffffff81c22de4>] start_kernel+0x2ae/0x366
>  [<ffffffff81c22346>] x86_64_start_reservations+0x131/0x135
>  [<ffffffff81c2244d>] x86_64_start_kernel+0x103/0x112
> Code: e0 08 83 f8 01 44 89 e0 19 db c1 e8 13 f7 d3 83 e0 01 83 e3 02 09 c3 8b 05 22 e5 af 00 44 21 e0 a8 10 89 45 bc 0f 85 c4 00 00 00 
>  83 7d 08 00 0f 84 dd 00 00 00 65 4c 8b 34 25 c0 cc 00 00 41 
> RIP  [<ffffffff811076cc>] __alloc_pages_nodemask+0x7c/0x1f0
>  RSP <ffffffff81a01e48>
> CR2: 0000000000001c08

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