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<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Running a lot of Firefox instances causes kernel page fault."
href="https://bugs.freedesktop.org/show_bug.cgi?id=97438">97438</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Running a lot of Firefox instances causes kernel page fault.
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/nouveau
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>accelrtr@yandex.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=125951" name="attach_125951" title="dmesg output from startup with showed blocked processes">attachment 125951</a> <a href="attachment.cgi?id=125951&action=edit" title="dmesg output from startup with showed blocked processes">[details]</a></span>
dmesg output from startup with showed blocked processes
I noticed that sometimes application like firefox, mvp and other qt5 apps stops
launching. Already running applications are not affected.
Steps to reproduce:
Using Firefox is the fastest method to reproduce bug.
1. Launch Firefox instances until kernel oops. Last instance freezes.
[ 398.040470] resource sanity check: requesting [mem 0xf9fcf000-0xfa035fff],
which spans more than 0000:01:00.0 [mem 0xf8000000-0xf9ffffff 64bit]
[ 398.040518] caller nv50_instobj_boot+0xaa/0x120 [nouveau] mapping multiple
BARs
[ 398.040539] BUG: unable to handle kernel paging request at ffffc90000d30000
[ 398.040567] IP: [<ffffffff813a73d1>] iowrite32+0x31/0x40
[ 398.040581] PGD 12b085067 PUD 12b086067 PMD c9657067 PTE 0
[ 398.040595] Oops: 0002 [#1] PREEMPT SMP
[ 398.040600] Modules linked in: fuse nouveau wmi atl1c video pcspkr fbcon
bitblit softcursor font i2c_algo_bit backlight drm_kms_helper cfbfillrect
syscopyarea cfbimgblt sysfillrect sysimgblt fb_sys_fops cfbcopyarea ttm drm
agpgart fb fbdev
[ 398.040663] CPU: 1 PID: 4704 Comm: firefox Not tainted 4.7.2-gentoo #1
[ 398.040670] Hardware name: Gigabyte Technology Co., Ltd.
G41M-Combo/G41M-Combo, BIOS FA 02/29/2012
[ 398.040678] task: ffff88003c14a640 ti: ffff8801070b4000 task.ti:
ffff8801070b4000
[ 398.040685] RIP: 0010:[<ffffffff813a73d1>] [<ffffffff813a73d1>]
iowrite32+0x31/0x40
[ 398.040695] RSP: 0018:ffff8801070b7838 EFLAGS: 00010292
[ 398.040700] RAX: ffffffffa020b940 RBX: 0000000000010000 RCX:
0000000000000000
[ 398.040707] RDX: ffffc90000d30000 RSI: ffffc90000d30000 RDI:
000000003defa281
[ 398.040713] RBP: ffff8801070b7840 R08: 0000000000000067 R09:
000000003dec9000
[ 398.040719] R10: ffff880046925900 R11: 000000003dec9000 R12:
0000000000000000
[ 398.040726] R13: 000000003defa281 R14: 0000000000000100 R15:
ffff88012a7daf40
[ 398.040733] FS: 00007f1e9b8d9740(0000) GS:ffff88012fa80000(0000)
knlGS:0000000000000000
[ 398.040739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 398.040745] CR2: ffffc90000d30000 CR3: 0000000119d6f000 CR4:
00000000000406e0
[ 398.040750] Stack:
[ 398.040754] ffffffffa017cb6f ffff8801070b7898 ffffffffa0182663
ffff880046925900
[ 398.040766] ffff88005e153198 000000003df1a001 000000b000000000
0000000000000067
[ 398.040776] 0000000000000000 0000000000002036 ffff88012a07ba00
ffff88005e153198
[ 398.040787] Call Trace:
[ 398.040811] [<ffffffffa017cb6f>] ? nvkm_instobj_wr32+0xf/0x20 [nouveau]
[ 398.040836] [<ffffffffa0182663>] nv50_vm_map+0x153/0x1a0 [nouveau]
[ 398.040860] [<ffffffffa0180917>] nvkm_vm_map_at+0xd7/0x1c0 [nouveau]
[ 398.040884] [<ffffffffa017d7e6>] nv50_instobj_map+0x16/0x20 [nouveau]
[ 398.040908] [<ffffffffa017da50>] nv50_instobj_boot+0xc0/0x120 [nouveau]
[ 398.040933] [<ffffffffa017d966>] nv50_instobj_acquire+0x46/0x70 [nouveau]
[ 398.040960] [<ffffffffa017cae2>] nvkm_instobj_acquire_slow+0x12/0x30
[nouveau]
[ 398.040984] [<ffffffffa017ce26>] nvkm_instobj_new+0x56/0x150 [nouveau]
[ 398.041003] [<ffffffffa0140100>] nvkm_memory_new+0x30/0x50 [nouveau]
[ 398.041010] [<ffffffffa013ef99>] nvkm_gpuobj_new+0x119/0x200 [nouveau]
[ 398.041010] [<ffffffffa01b4657>] nv50_gr_chan_bind+0x27/0x60 [nouveau]
[ 398.041010] [<ffffffffa0140ee2>] nvkm_object_bind+0x12/0x20 [nouveau]
[ 398.041010] [<ffffffffa01a8804>] g84_fifo_chan_engine_ctor+0x34/0x40
[nouveau]
[ 398.041010] [<ffffffffa01a7b3f>] nvkm_fifo_chan_child_new+0x14f/0x270
[nouveau]
[ 398.041010] [<ffffffffa013fc53>] nvkm_ioctl_new+0x123/0x280 [nouveau]
[ 398.041010] [<ffffffff81197839>] ? ___slab_alloc+0x1e9/0x4a0
[ 398.041010] [<ffffffffa01a74cc>] ? nvkm_fifo_chan_child_get+0x5c/0x110
[nouveau]
[ 398.041010] [<ffffffffa01a79f0>] ? nvkm_fifo_chan_dtor+0xd0/0xd0 [nouveau]
[ 398.041010] [<ffffffffa0141570>] ? nvkm_object_new_+0x60/0x60 [nouveau]
[ 398.041010] [<ffffffffa013fffc>] nvkm_ioctl+0x1cc/0x240 [nouveau]
[ 398.041010] [<ffffffffa01d71ed>] nvkm_client_ioctl+0xd/0x10 [nouveau]
[ 398.041010] [<ffffffffa013d03d>] nvif_object_ioctl+0x3d/0x50 [nouveau]
[ 398.041010] [<ffffffffa013d59d>] nvif_object_init+0xbd/0x130 [nouveau]
[ 398.041010] [<ffffffffa01eae51>]
nouveau_abi16_ioctl_grobj_alloc+0x141/0x2d0 [nouveau]
[ 398.041010] [<ffffffffa00276bd>] drm_ioctl+0x13d/0x560 [drm]
[ 398.041010] [<ffffffffa01ead10>] ?
nouveau_abi16_ioctl_channel_free+0x90/0x90 [nouveau]
[ 398.041010] [<ffffffff81091fd5>] ? preempt_count_add+0xa5/0xc0
[ 398.041010] [<ffffffff818288eb>] ? _raw_spin_unlock_irqrestore+0x1b/0x30
[ 398.041010] [<ffffffffa01d4e32>] nouveau_drm_ioctl+0x62/0xb0 [nouveau]
[ 398.041010] [<ffffffff811b8b1b>] do_vfs_ioctl+0x8b/0x590
[ 398.041010] [<ffffffff811b9094>] SyS_ioctl+0x74/0x80
[ 398.041010] [<ffffffff81828e72>] entry_SYSCALL_64_fastpath+0x1a/0xa4
[ 398.041010] Code: 00 48 89 f2 77 25 48 81 fe 00 00 01 00 76 07 0f b7 d6 89
f8 ef c3 55 48 c7 c6 1c 72 bb 81 48 89 d7 48 89 e5 e8 51 fe ff ff 5d c3 <89> 3e
c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 81 ff ff ff 03
[ 398.041010] RIP [<ffffffff813a73d1>] iowrite32+0x31/0x40
[ 398.041010] RSP <ffff8801070b7838>
[ 398.041010] CR2: ffffc90000d30000
[ 398.041010] ---[ end trace 0441d3b445912110 ]---
[ 598.401939] sysrq: SysRq : Show Blocked State
[ 598.401946] task PC stack pid father
[ 598.402183] firefox D ffff8801070b73f8 12256 4704 4699 0x00000002
[ 598.402193] ffff8801070b73f8 0000000000000000 ffff88012ab61980
ffff88003c14a640
[ 598.402197] ffff8801070b7420 ffff8801070b8000 ffff88002674d15c
ffff88003c14a640
[ 598.402200] 00000000ffffffff ffff88002674d160 ffff8801070b7410
ffffffff81824dea
[ 598.402204] Call Trace:
[ 598.402212] [<ffffffff81824dea>] schedule+0x3a/0x90
[ 598.402215] [<ffffffff81825233>] schedule_preempt_disabled+0x13/0x20
[ 598.402217] [<ffffffff81826c50>] __mutex_lock_slowpath+0x90/0x120
[ 598.402220] [<ffffffff81826cf2>] mutex_lock+0x12/0x30
[ 598.402250] [<ffffffffa01d52b0>] nouveau_drm_preclose+0x30/0x90 [nouveau]
[ 598.402259] [<ffffffffa0025fc3>] drm_release+0xb3/0x4c0 [drm]
[ 598.402263] [<ffffffff811a7a89>] __fput+0xc9/0x1d0
[ 598.402265] [<ffffffff811a7bc9>] ____fput+0x9/0x10
[ 598.402269] [<ffffffff8108a18c>] task_work_run+0x7c/0xa0
[ 598.402272] [<ffffffff81070fe7>] do_exit+0x367/0xbf0
[ 598.402276] [<ffffffff8102fa07>] oops_end+0x97/0xd0
[ 598.402279] [<ffffffff8105ef7d>] no_context+0x10d/0x360
[ 598.402282] [<ffffffff8105f247>] __bad_area_nosemaphore+0x77/0x1b0
[ 598.402285] [<ffffffff8105f38f>] bad_area_nosemaphore+0xf/0x20
[ 598.402287] [<ffffffff8105fa38>] __do_page_fault+0x88/0x510
[ 598.402291] [<ffffffff810ba2b7>] ? print_time.part.13+0x67/0x90
[ 598.402293] [<ffffffff810ba341>] ? print_prefix+0x61/0xa0
[ 598.402295] [<ffffffff8105fee2>] do_page_fault+0x22/0x30
[ 598.402298] [<ffffffff8182ae88>] page_fault+0x28/0x30
[ 598.402303] [<ffffffff813a73d1>] ? iowrite32+0x31/0x40
[ 598.402322] [<ffffffffa017cb6f>] ? nvkm_instobj_wr32+0xf/0x20 [nouveau]
[ 598.402341] [<ffffffffa0182663>] nv50_vm_map+0x153/0x1a0 [nouveau]
[ 598.402361] [<ffffffffa0180917>] nvkm_vm_map_at+0xd7/0x1c0 [nouveau]
[ 598.402380] [<ffffffffa017d7e6>] nv50_instobj_map+0x16/0x20 [nouveau]
[ 598.402399] [<ffffffffa017da50>] nv50_instobj_boot+0xc0/0x120 [nouveau]
[ 598.402418] [<ffffffffa017d966>] nv50_instobj_acquire+0x46/0x70 [nouveau]
[ 598.402437] [<ffffffffa017cae2>] nvkm_instobj_acquire_slow+0x12/0x30
[nouveau]
[ 598.402456] [<ffffffffa017ce26>] nvkm_instobj_new+0x56/0x150 [nouveau]
[ 598.402470] [<ffffffffa0140100>] nvkm_memory_new+0x30/0x50 [nouveau]
[ 598.402484] [<ffffffffa013ef99>] nvkm_gpuobj_new+0x119/0x200 [nouveau]
[ 598.402502] [<ffffffffa01b4657>] nv50_gr_chan_bind+0x27/0x60 [nouveau]
[ 598.402516] [<ffffffffa0140ee2>] nvkm_object_bind+0x12/0x20 [nouveau]
[ 598.402535] [<ffffffffa01a8804>] g84_fifo_chan_engine_ctor+0x34/0x40
[nouveau]
[ 598.402553] [<ffffffffa01a7b3f>] nvkm_fifo_chan_child_new+0x14f/0x270
[nouveau]
[ 598.402567] [<ffffffffa013fc53>] nvkm_ioctl_new+0x123/0x280 [nouveau]
[ 598.402570] [<ffffffff81197839>] ? ___slab_alloc+0x1e9/0x4a0
[ 598.402589] [<ffffffffa01a74cc>] ? nvkm_fifo_chan_child_get+0x5c/0x110
[nouveau]
[ 598.402607] [<ffffffffa01a79f0>] ? nvkm_fifo_chan_dtor+0xd0/0xd0 [nouveau]
[ 598.402622] [<ffffffffa0141570>] ? nvkm_object_new_+0x60/0x60 [nouveau]
[ 598.402636] [<ffffffffa013fffc>] nvkm_ioctl+0x1cc/0x240 [nouveau]
[ 598.402652] [<ffffffffa01d71ed>] nvkm_client_ioctl+0xd/0x10 [nouveau]
[ 598.402665] [<ffffffffa013d03d>] nvif_object_ioctl+0x3d/0x50 [nouveau]
[ 598.402678] [<ffffffffa013d59d>] nvif_object_init+0xbd/0x130 [nouveau]
[ 598.402694] [<ffffffffa01eae51>]
nouveau_abi16_ioctl_grobj_alloc+0x141/0x2d0 [nouveau]
[ 598.402700] [<ffffffffa00276bd>] drm_ioctl+0x13d/0x560 [drm]
[ 598.402715] [<ffffffffa01ead10>] ?
nouveau_abi16_ioctl_channel_free+0x90/0x90 [nouveau]
[ 598.402719] [<ffffffff81091fd5>] ? preempt_count_add+0xa5/0xc0
[ 598.402722] [<ffffffff818288eb>] ? _raw_spin_unlock_irqrestore+0x1b/0x30
[ 598.402738] [<ffffffffa01d4e32>] nouveau_drm_ioctl+0x62/0xb0 [nouveau]
[ 598.402741] [<ffffffff811b8b1b>] do_vfs_ioctl+0x8b/0x590
[ 598.402744] [<ffffffff811b9094>] SyS_ioctl+0x74/0x80
[ 598.402747] [<ffffffff81828e72>] entry_SYSCALL_64_fastpath+0x1a/0xa4
3. Try to switch VT. Mouse disappears, Xorg freezes and switching terminal no
longer possible.
This bug also reproducible on 4.4.6-gentoo kernel</pre>
</div>
</p>
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<ul>
<li>You are the assignee for the bug.</li>
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