From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Kacur Subject: i915 oopses w/ experimental rt kernel Date: Mon, 20 Jul 2009 14:35:02 +0200 Message-ID: <20090720123502.GA3615@tycho.redhat.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="gKMricLos+KVdGMg" To: linux-rt-users@vger.kernel.org, tglx@linutronix.de Return-path: Received: from mx2.redhat.com ([66.187.237.31]:56831 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753406AbZGTMfQ (ORCPT ); Mon, 20 Jul 2009 08:35:16 -0400 Content-Disposition: inline Sender: linux-rt-users-owner@vger.kernel.org List-ID: --gKMricLos+KVdGMg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline --gKMricLos+KVdGMg Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="2.6.31-rc3-rt1.oops.txt" BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<(null)>] (null) PGD 0 Oops: 0000 [#1] PREEMPT SMP last sysfs file: /sys/class/power_supply/BAT0/energy_full CPU 0 Modules linked in: i915 drm i2c_algo_bit ipt_MASQUERADE iptable_nat nf_nat brid] Pid: 3, comm: migration/0 Not tainted 2.6.31-rc3-rt1 #1 2241B48 RIP: 0010:[<0000000000000000>] [<(null)>] (null) RSP: 0018:ffff88013bb2bcf8 EFLAGS: 00010046 RAX: ffffffff813f73d0 RBX: ffffffff815a0020 RCX: 0000000000000001 RDX: 0000000000000001 RSI: ffffffff815a0020 RDI: ffff8800280702c0 RBP: ffff88013bb2bd20 R08: ffff880028062d28 R09: ffff8800280703a8 R10: 000000000000000f R11: 0000000045fc79eb R12: ffffffff815a0020 R13: ffff8800280702c0 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88002805f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000001001000 CR4: 00000000000026f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Process migration/0 (pid: 3, threadinfo ffff88013bb2a000, task ffff88013bb280c0) Stack: ffffffff8103e83e 000000013b21e258 0000000045fc79eb 0000000045fc79eb <0> ffff8800280702c0 ffff88013bb2bd50 ffffffff8103e9a3 0000000000000006 <0> 0000000045fc79eb 0000000045fc79eb 0000000000000000 ffff88013bb2bdb0 Call Trace: [] ? enqueue_task+0x6f/0x91 [] activate_task+0x3c/0x5b [] try_to_wake_up+0x19f/0x301 [] default_wake_function+0x27/0x3d [] __wake_up_common+0x5a/0xa0 [] ? migration_thread+0x0/0x232 [] complete+0x4a/0x6d [] migration_thread+0x1e3/0x232 [] ? migration_thread+0x0/0x232 [] kthread+0x9c/0xa4 [] child_rip+0xa/0x20 [] ? kthread+0x0/0xa4 [] ? child_rip+0x0/0x20 Code: Bad RIP value. RIP [<(null)>] (null) RSP CR2: 0000000000000000 ---[ end trace 4d74503b4efb9750 ]--- note: migration/0[3] exited with preempt_count 1 --gKMricLos+KVdGMg Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="2.6.31-rc3-rt1.oops2.txt" usb 1-5: device not accepting address 7, error -110 hub 1-0:1.0: unable to enumerate USB device on port 5 BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<(null)>] (null) PGD 0 Oops: 0000 [#1] PREEMPT SMP last sysfs file: /sys/devices/system/cpu/sched_mc_power_savings CPU 0 Modules linked in: i915 drm i2c_algo_bit ipt_MASQUERADE iptable_nat nf_nat brid] Pid: 3, comm: migration/0 Not tainted 2.6.31-rc3-rt1 #1 2241B48 RIP: 0010:[<0000000000000000>] [<(null)>] (null) RSP: 0018:ffff88013bb2bcf8 EFLAGS: 00010046 RAX: ffffffff813f73d0 RBX: ffffffff815a0020 RCX: 0000000000000001 RDX: 0000000000000001 RSI: ffffffff815a0020 RDI: ffff8800280702c0 RBP: ffff88013bb2bd20 R08: ffff880028062d28 R09: ffff8800280703a8 R10: e03e46a1506d4f38 R11: 000000000d037aaa R12: ffffffff815a0020 R13: ffff8800280702c0 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88002805f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000001001000 CR4: 00000000000026f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Process migration/0 (pid: 3, threadinfo ffff88013bb2a000, task ffff88013bb280c0) Stack: ffffffff8103e83e 00000001399886d8 000000000d037aaa 000000000d037aaa <0> ffff8800280702c0 ffff88013bb2bd50 ffffffff8103e9a3 0000000000000006 <0> 000000000d037aaa 000000000d037aaa 0000000000000000 ffff88013bb2bdb0 Call Trace: [] ? enqueue_task+0x6f/0x91 [] activate_task+0x3c/0x5b [] try_to_wake_up+0x19f/0x301 [] default_wake_function+0x27/0x3d [] __wake_up_common+0x5a/0xa0 [] ? migration_thread+0x0/0x232 [] complete+0x4a/0x6d [] migration_thread+0x1e3/0x232 [] ? migration_thread+0x0/0x232 [] kthread+0x9c/0xa4 [] child_rip+0xa/0x20 [] ? kthread+0x0/0xa4 [] ? child_rip+0x0/0x20 Code: Bad RIP value. RIP [<(null)>] (null) RSP CR2: 0000000000000000 ---[ end trace 8d14e14f6617911e ]--- note: migration/0[3] exited with preempt_count 1 --gKMricLos+KVdGMg--