On Sun, 29 May 2011 23:19:48 -0700 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > (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@xxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxxxxxxx > > ReportedBy: qcui@xxxxxxxxxx > > 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? > yes, and the system may be able to boot with a boot option of cgroup_disable=memory. but the problem happens in __alloc_pages_nodemask with NULL pointer access. Hmm, doesn't this imply some error in building zone/pgdat ? Thanks, -Kame > > 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 > > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>