<html>
<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 - [HSW] igt_gem_huge - DMA-API: exceeded 7 overlapping mappings of cacheline"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100455">100455</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[HSW] igt_gem_huge - DMA-API: exceeded 7 overlapping mappings of cacheline
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</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>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>matthew.auld@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>[ 600.263405] WARNING: CPU: 2 PID: 1387 at lib/dma-debug.c:519
add_dma_entry+0x2bd/0x360
[ 600.263407] DMA-API: exceeded 7 overlapping mappings of cacheline
0x000000000546cec0
[ 600.263408] Modules linked in: i915(+) drm_kms_helper drm netconsole
xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ip6t_rpfilter ip6t_REJECT
nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute bridge stp llc
ebtable_nat ip6table_raw ip6table_mangle ip6table_nat nf_conntrack_ipv6
nf_defrag_ipv6 nf_nat_ipv6 ip6table_security iptable_raw iptable_mangle
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
iptable_security ebtable_filter ebtables ip6table_filter ip6_tables
snd_usb_audio snd_usbmidi_lib eeepc_wmi asus_wmi snd_rawmidi iTCO_wdt
iTCO_vendor_support rfkill sparse_keymap intel_rapl x86_pkg_temp_thermal
coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_codec
snd_hwdep gspca_zc3xx
[ 600.263459] snd_hda_core gspca_main joydev v4l2_common snd_seq videodev
snd_seq_device media snd_pcm lpc_ich i2c_i801 mei_me snd_timer snd mei
soundcore shpchp wmi tpm_tis tpm_tis_core tpm nfsd auth_rpcgss nfs_acl lockd
grace sunrpc prime_numbers i2c_algo_bit crc32c_intel r8169 mii video [last
unloaded: i915]
[ 600.263489] CPU: 2 PID: 1387 Comm: drv_selftest Tainted: G BU W
4.11.0-rc4-drm-intel-debug+ #19
[ 600.263490] Hardware name: ASUS All Series/Z87-K, BIOS 1401 07/29/2014
[ 600.263492] Call Trace:
[ 600.263497] dump_stack+0xd5/0x150
[ 600.263501] ? _atomic_dec_and_lock+0xa0/0xa0
[ 600.263504] ? add_dma_entry+0x2bd/0x360
[ 600.263508] ? vprintk_default+0x3e/0x70
[ 600.263513] __warn+0x136/0x170
[ 600.263518] warn_slowpath_fmt+0xad/0xe0
[ 600.263521] ? __warn+0x170/0x170
[ 600.263619] ? igt_gem_huge+0x199/0x270 [i915]
[ 600.263625] ? active_cacheline_read_overlap+0x2d/0x60
[ 600.263628] add_dma_entry+0x2bd/0x360
[ 600.263632] ? active_cacheline_set_overlap.part.12+0x50/0x50
[ 600.263637] ? __save_stack_trace+0x7c/0x140
[ 600.263646] debug_dma_map_sg+0x250/0x380
[ 600.263733] i915_gem_gtt_prepare_pages+0x168/0x290 [i915]
[ 600.263818] huge_get_pages+0x1ae/0x520 [i915]
[ 600.263903] ____i915_gem_object_get_pages+0x79/0x100 [i915]
[ 600.263984] __i915_gem_object_get_pages+0x79/0xa0 [i915]
[ 600.264067] igt_gem_huge+0x199/0x270 [i915]
[ 600.264148] ? igt_gem_huge+0x5a/0x270 [i915]
[ 600.264239] __i915_subtests+0x51/0x140 [i915]
[ 600.264241] ? do_raw_spin_unlock+0x100/0x1f0
[ 600.264326] i915_gem_object_live_selftests+0x24/0x30 [i915]
[ 600.264414] __run_selftests+0x16c/0x310 [i915]
[ 600.264504] i915_live_selftests+0x4e/0x90 [i915]
[ 600.264583] i915_pci_probe+0xc3/0x190 [i915]
[ 600.264661] ? i915_pci_remove+0x50/0x50 [i915]
[ 600.264665] local_pci_probe+0x95/0x120
[ 600.264670] pci_device_probe+0x217/0x280
[ 600.264674] ? pci_device_remove+0x170/0x170
[ 600.264680] ? driver_sysfs_add+0xfe/0x1c0
[ 600.264684] driver_probe_device+0x468/0x910
[ 600.264689] ? driver_probe_device+0x910/0x910
[ 600.264691] __driver_attach+0x14e/0x190
[ 600.264695] bus_for_each_dev+0xf5/0x170
[ 600.264699] ? subsys_dev_iter_init+0xb0/0xb0
[ 600.264705] driver_attach+0x30/0x50
[ 600.264708] bus_add_driver+0x292/0x470
[ 600.264714] driver_register+0xe5/0x1d0
[ 600.264718] __pci_register_driver+0x127/0x180
[ 600.264722] ? pci_pm_runtime_idle+0xe0/0xe0
[ 600.264725] ? trace_hardirqs_on_caller+0x16/0x3f0
[ 600.264730] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 600.264734] ? 0xffffffffc0430000
[ 600.264810] i915_init+0x89/0x92 [i915]
[ 600.264814] do_one_initcall+0xae/0x290
[ 600.264818] ? initcall_blacklisted+0x170/0x170
[ 600.264823] ? memset_erms+0xb/0x10
[ 600.264827] ? kasan_unpoison_shadow+0x35/0x50
[ 600.264831] ? __asan_register_globals+0x7c/0xa0
[ 600.264837] do_init_module+0x1a6/0x438
[ 600.264842] ? complete_formation+0x4c0/0x4c0
[ 600.264845] ? __vunmap+0x12e/0x1d0
[ 600.264852] load_module+0x38a5/0x4d80
[ 600.264854] ? disable_ro_nx+0xa0/0xa0
[ 600.264867] ? module_frob_arch_sections+0x20/0x20
[ 600.264873] ? read_code+0x20/0x20
[ 600.264878] ? __fget_light+0xd9/0x150
[ 600.264883] ? kernel_read_file_from_fd+0x49/0x80
[ 600.264887] SYSC_finit_module+0x181/0x1c0
[ 600.264891] ? SYSC_init_module+0x210/0x210
[ 600.264899] ? SyS_mmap_pgoff+0x1e0/0x640
[ 600.264905] ? trace_hardirqs_on_caller+0x16/0x3f0
[ 600.264909] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 600.264913] SyS_finit_module+0xe/0x10
[ 600.264918] entry_SYSCALL_64_fastpath+0x1f/0xc2
[ 600.264920] RIP: 0033:0x7f2a65b99239
[ 600.264921] RSP: 002b:00007ffc873d63d8 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
[ 600.264924] RAX: ffffffffffffffda RBX: ffffffff8c238606 RCX:
00007f2a65b99239
[ 600.264926] RDX: 0000000000000000 RSI: 00000000009ce480 RDI:
0000000000000015
[ 600.264927] RBP: ffff8801c7bbff98 R08: 0000000000000000 R09:
0000000000000000
[ 600.264929] R10: 0000000000000015 R11: 0000000000000246 R12:
00007ffc873d53d0
[ 600.264930] R13: 00007ffc873d53b0 R14: 0000000000000005 R15:
00000000009cce00
[ 600.264935] ? trace_hardirqs_off_caller+0x16/0x1f0
[ 600.264941] ---[ end trace ba5a9b744ecefaa9 ]---</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>