<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - Regression: null pointer dereference on reboot after switcheroo use" href="https://bugs.freedesktop.org/show_bug.cgi?id=61765#c1">Comment # 1</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - Regression: null pointer dereference on reboot after switcheroo use" href="https://bugs.freedesktop.org/show_bug.cgi?id=61765">bug 61765</a> from <a class="email" href="mailto:crrodriguez@opensuse.org" title="Cristian Rodríguez <crrodriguez@opensuse.org>"> Cristian Rodríguez</a> <pre>Now the issue has mutated into a BUG: unable to handle kernel paging request at ffff8803323e9ffc Here is the kernel trace Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: VGA switcheroo: switched nouveau off Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau [ DRM] suspending fbcon... Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau [ DRM] suspending display... Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau [ DRM] unpinning framebuffer(s)... Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau [ DRM] evicting buffers... Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau [ DRM] waiting for kernel channels to go idle... Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau [ DRM] suspending client object trees... Jun 16 01:05:12 xps15z.thno.cristianrodriguez.org kernel: nouveau [ DRM] suspending kernel object tree... Jun 16 01:05:13 xps15z.thno.cristianrodriguez.org kernel: nouveau 0000:01:00.0: power state changed by ACPI to D3hot Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: BUG: unable to handle kernel paging request at ffff8803323e9ffc Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: IP: [<ffffffff81486609>] evo_wait+0x69/0xd0 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: PGD 1ed7067 PUD 0 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Oops: 0002 [#1] PREEMPT SMP Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Modules linked in: intel_powerclamp coretemp kvm_intel iTCO_wdt iTCO_vendor_support kvm crc32_pclmul dell_wmi sparse_keymap ghash_clmulni_intel aesni_intel Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: CPU: 0 PID: 703 Comm: Xorg Not tainted 3.10.0-rc6-666-desktop-00017-g6a1c4e4 #43 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Hardware name: Dell Inc. Dell System XPS 15Z/00WW5M, BIOS A12 09/07/2012 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: task: ffff880232940000 ti: ffff880232e5e000 task.ti: ffff880232e5e000 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RIP: 0010:[<ffffffff81486609>] [<ffffffff81486609>] evo_wait+0x69/0xd0 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RSP: 0018:ffff880232e5f960 EFLAGS: 00010246 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RAX: ffff8802323ea000 RBX: 000000003fffffff RCX: ffff88023269a200 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880233cbca40 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RBP: ffff880232e5f980 R08: 000000000000000d R09: ffff880210696500 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: R10: 0000000000000000 R11: 0000000000000000 R12: ffff880233cbca20 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: R13: ffff880233cbca40 R14: 0000000040000007 R15: ffffffff8187e460 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: FS: 00007f58984ba880(0000) GS:ffff88023fa00000(0000) knlGS:0000000000000000 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: CR2: ffff8803323e9ffc CR3: 000000022cf98000 CR4: 00000000000407e0 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Stack: Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: ffff880233cb7000 ffff880210696b00 ffff880232676e40 ffff880233cbc000 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: ffff880232e5f9a8 ffffffff814888a3 ffff880232676e40 ffff880233cbca20 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: ffff880233cbc000 ffff880232e5f9d0 ffffffff81488975 ffff88023234c478 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Call Trace: Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff814888a3>] nv50_display_flip_stop+0x53/0xc0 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff81488975>] nv50_crtc_prepare+0x25/0x190 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff8136510f>] drm_crtc_helper_set_mode+0x25f/0x450 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff813667d2>] drm_crtc_helper_set_config+0xa22/0xb40 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff8137798e>] drm_mode_set_config_internal+0x1e/0x50 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff8137a187>] drm_mode_setcrtc+0xf7/0x650 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff81470f86>] ? nouveau_user_framebuffer_create+0x66/0xb0 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff8136b302>] drm_ioctl+0x532/0x660 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff811657c5>] do_vfs_ioctl+0x2e5/0x4d0 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff8106dc31>] ? vtime_account_user+0x61/0x70 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff811659f0>] SyS_ioctl+0x40/0x80 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: [<ffffffff816aca8b>] tracesys+0xdd/0xe2 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: Code: 81 fe f7 03 00 00 77 1a 48 89 d0 49 03 44 24 18 5b 41 5c 41 5d 41 5e 5d c3 66 0f 1f 84 00 00 00 00 00 49 8b 44 24 18 31 d2 31 f6 <c7> 04 98 00 00 00 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RIP [<ffffffff81486609>] evo_wait+0x69/0xd0 Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: RSP <ffff880232e5f960> Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: CR2: ffff8803323e9ffc Jun 16 01:05:50 xps15z.thno.cristianrodriguez.org kernel: ---[ end trace 403519e1213664b5 ]---</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>