<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PNV Regression]glxgears causes call trace and system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=68298">68298</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[PNV Regression]glxgears causes call trace and system hang
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=84297" name="attach_84297" title="dmesg">attachment 84297</a> <a href="attachment.cgi?id=84297&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: Pineview
Kernel: (drm-intel-next-nightly)e0fd293e471707a301fb9d8f83295265b9315161
Bug detailed description:
-----------------------------
Run glxgears, it causes call trace and system hang. It happens on -nightly and
-queued kernel.It works well on -fixes kernel.
The latest known good commit: 030c22d0c4a7a98968db820d3a9759197d580217
The latest known bad commit: 815ca9817afc1c1a45799fb9d4a4f413b7b1517c
Call trace:
[ 337.005193] Call Trace:
[ 337.005209] [<c0bf78e0>] ? start_kernel+0x318/0x31c
[ 337.005216] Code: e8 4c e8 fa ff 83 3d e0 47 bf c0 00 74 10 e8 d6 4b 02 00
fb 89 e2 81 e2 00 e0 ff ff eb 0d e8 55 74 00 00 85 c0 75 e7 eb 10 f3 90 <8b> 42
08 a8 08 74 f7 e8 4a 4b 02 00 eb 55 89 e0 25 00 e0 ff ff
[ 337.005009] NMI backtrace for cpu 1
[ 337.005009] CPU: 1 PID: 3892 Comm: X Not tainted
3.11.0-rc2_drm-intel-next-queued_815ca9_20130818_+ #7128
[ 337.005009] Hardware name: MICRO-STAR INTERNATIONAL CO., LTD
MS-N014/MS-N014, BIOS EN014IMS.10B 11/30/2009
[ 337.005009] task: f6146e10 ti: c37de000 task.ti: c37de000
[ 337.005009] EIP: 0060:[<c04796ac>] EFLAGS: 00203006 CPU: 1
[ 337.005009] EIP is at __const_udelay+0x0/0x1a
[ 337.005009] EAX: 00418958 EBX: 00002710 ECX: c0a93665 EDX: fffff000
[ 337.005009] ESI: f67e8d5c EDI: 000006e0 EBP: c0ba94a0 ESP: c37dfc8c
[ 337.005009] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 337.005009] CR0: 80050033 CR2: b75a2e40 CR3: 363e6000 CR4: 000007d0
[ 337.005009] Stack:
[ 337.005009] c021febf c0ba94a0 c027d79c c0a9c5c0 0000ea60 00000f8d 00000f8c
000006e0
[ 337.005009] 00000000 00000000 00000001 f6146e10 f6146e10 00000000 00000001
c37dfd60
[ 337.005009] c02347a3 f67e8bf4 771044e8 0000004e c025fe2d c0260003 f67e8bf4
f67e899c
[ 337.005009] Call Trace:
[ 337.005009] [<c021febf>] ? arch_trigger_all_cpu_backtrace+0x57/0x60
[ 337.005009] [<c027d79c>] ? rcu_check_callbacks+0x141/0x3d5
[ 337.005009] [<c02347a3>] ? update_process_times+0x2a/0x4e
[ 337.005009] [<c025fe2d>] ? tick_sched_handle+0x2d/0x37
[ 337.005009] [<c0260003>] ? tick_sched_timer+0x28/0x4b
[ 337.005009] [<c024227e>] ? __run_hrtimer.isra.23+0x3b/0x88
[ 337.005009] [<c02429d2>] ? hrtimer_interrupt+0xf0/0x1e7
[ 337.005009] [<c021e76a>] ? local_apic_timer_interrupt+0x3d/0x3f
[ 337.005009] [<c021ea78>] ? smp_apic_timer_interrupt+0x2b/0x39
[ 337.005009] [<c087535d>] ? apic_timer_interrupt+0x2d/0x34
[ 337.005009] [<f82af6a4>] ? i915_gem_execbuffer_reserve+0x1d5/0x2d6 [i915]
[ 337.005009] [<f82affee>] ? i915_gem_do_execbuffer.isra.17+0x48c/0xd69
[i915]
[ 337.005009] [<f82ab508>] ? i915_gem_obj_bound_any+0x28/0x43 [i915]
[ 337.005009] [<f82ab508>] ? i915_gem_obj_bound_any+0x28/0x43 [i915]
[ 337.005009] [<f82ab500>] ? i915_gem_obj_bound_any+0x20/0x43 [i915]
[ 337.005009] [<c02b1754>] ? __kmalloc+0xbe/0xe0
[ 337.005009] [<f82b0e3c>] ? i915_gem_execbuffer2+0x12e/0x1c2 [i915]
[ 337.005009] [<f82b0d0e>] ? i915_gem_execbuffer+0x443/0x443 [i915]
[ 337.005009] [<f8103c1e>] ? drm_ioctl+0x23d/0x323 [drm]
[ 337.005009] [<f82b0d0e>] ? i915_gem_execbuffer+0x443/0x443 [i915]
[ 337.005009] [<c02a0328>] ? handle_pte_fault+0x274/0x5e3
[ 337.005009] [<f81039e1>] ? drm_copy_field+0x47/0x47 [drm]
[ 337.005009] [<c02c04fc>] ? vfs_ioctl+0x18/0x21
[ 337.005009] [<c02c0ec8>] ? do_vfs_ioctl+0x3ec/0x42c
[ 337.005009] [<c08778c9>] ? __do_page_fault+0x400/0x43b
[ 337.005009] [<c087787d>] ? __do_page_fault+0x3b4/0x43b
[ 337.005009] [<c02b505a>] ? vfs_read+0xd4/0x11e
[ 337.005009] [<c02c0f51>] ? SyS_ioctl+0x49/0x74
[ 337.005009] [<c087945a>] ? sysenter_do_call+0x12/0x22
[ 337.005009] Code: c0 74 1f eb 0a 8d 76 00 8d bc 27 00 00 00 00 eb 0e 8d b4
26 00 00 00 00 8d bc 27 00 00 00 00 48 75 fd 48 c3 ff 15 50 43 bb c0 c3 <64> 8b
15 fc 5b a3 c3 69 d2 fa 00 00 00 c1 e0 02 f7 e2 8d 42 01
Reproduce steps:
----------------------------
1. xinit
2. glxgears</pre>
</div>
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