On Wed, Jul 29, 2009 at 5:48 PM, Thomas Gleixner<tglx@xxxxxxxxxxxxx> wrote: > 2) I'm going on vacation for 10 days. Please send patches and > bugreports^Wsuccess stories to the mailinglist as usual. There are > folks looking out. I'm seeing the following if CONFIG_PREEMPT_RT is disabled: Freeing unused kernel memory: 636k freed Write protecting the kernel read-only data: 11512k BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff810b330b>] pagevec_move_tail+0x2b/0x140 PGD 0 Oops: 0000 [#1] SMP last sysfs file: CPU 1 Pid: 1, comm: init Tainted: G W 2.6.31-rc4-rt1tirq #7 IBM eServer BladeCenter LS20 -[885065U]- RIP: 0010:[<ffffffff810b330b>] [<ffffffff810b330b>] pagevec_move_tail+0x2b/0x140 RSP: 0018:ffff880111a818a0 EFLAGS: 00010046 RAX: 0000000000000001 RBX: 0000000000000206 RCX: 0000000000000000 RDX: 0000000003b70630 RSI: 0000000000000000 RDI: ffff880028045c60 RBP: ffff880111a818d0 R08: 0000000000000000 R09: ffff88010f4e3d30 R10: 0000000000000002 R11: 00000000ca416065 R12: 0000000000000000 R13: ffff880028045c60 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff880028037000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000000 CR3: 000000010f44c000 CR4: 00000000000006a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process init (pid: 1, threadinfo ffff880111a80000, task ffff880111a7b770) Stack: ffff88010f44dad8 0000000000000206 0000000000000005 0000000000000001 <0> ffff88010f44dad8 00007fffd7d6a000 ffff880111a81900 ffffffff810b3481 <0> 00000000fffffff4 0000000000001000 00000000fffffff4 00007fffffffe000 Call Trace: [<ffffffff810b3481>] lru_add_drain+0x61/0x80 [<ffffffff810e7547>] setup_arg_pages+0x1b7/0x3b0 [<ffffffff810ea0d5>] ? inode_permission+0x65/0xb0 [<ffffffff8133eb9b>] ? get_random_int+0x5b/0x60 [<ffffffff81122a34>] load_elf_binary+0x4d4/0x1e40 [<ffffffff810ab276>] ? generic_file_aio_read+0x5e6/0x640 [<ffffffff810e1b51>] ? do_sync_read+0xf1/0x130 [<ffffffff812d3d11>] ? strrchr+0x11/0x30 [<ffffffff81120530>] ? load_misc_binary+0x80/0x3d0 [<ffffffff810e620f>] search_binary_handler+0x9f/0x1e0 [<ffffffff8112101e>] load_script+0x1ee/0x240 [<ffffffff810c2b42>] ? get_user_pages+0x32/0x40 [<ffffffff810e5ecb>] ? get_arg_page+0x4b/0xb0 [<ffffffff810e5e79>] ? put_arg_page+0x9/0x10 [<ffffffff810e620f>] search_binary_handler+0x9f/0x1e0 [<ffffffff810e7b2e>] do_execve+0x27e/0x340 [<ffffffff8100a409>] sys_execve+0x49/0x70 [<ffffffff8100ccb8>] kernel_execve+0x68/0xd0 [<ffffffff8100918e>] ? run_init_process+0x1e/0x20 [<ffffffff81009206>] init_post+0x76/0x110 [<ffffffff81c38ace>] kernel_init+0x22e/0x250 [<ffffffff8100cc3a>] child_rip+0xa/0x20 [<ffffffff81c388a0>] ? kernel_init+0x0/0x250 [<ffffffff8100cc30>] ? child_rip+0x0/0x20 Code: 55 31 c9 48 89 e5 41 57 41 56 41 55 49 89 fd 41 54 53 48 83 ec 08 8b 17 85 d2 0f 84 d3 00 00 00 45 31 ff 45 31 f6 4f 8b 64 f5 10 <49> 8b 04 24 48 89 c2 48 c1 e8 38 83 e0 03 48 c1 ea 3a 48 8d 04 RIP [<ffffffff810b330b>] pagevec_move_tail+0x2b/0x140 RSP <ffff880111a818a0> CR2: 0000000000000000 ---[ end trace 93761b2e97bc6de2 ]--- thanks -john -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
