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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 91960] [i915] kernel warning hsw_unclaimed_reg_debug intel_uncore.c:619
Date: Sat, 12 Sep 2015 07:45:57 +0000	[thread overview]
Message-ID: <bug-91960-502-FsL2tfsw2V@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-91960-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=91960

--- Comment #1 from Sam Stenvall <neggelandia@gmail.com> ---
Just got this on my Thinkpad T450 running Linux 4.2.0-040200-generic (from the
Ubuntu mainline kernels). The trace is ever so slightly different though (line
620 instead of 619):

Sep 12 10:18:13 palinski kernel: ------------[ cut here ]------------
Sep 12 10:18:13 palinski kernel: WARNING: CPU: 0 PID: 18479 at
/home/kernel/COD/linux/drivers/gpu/drm/i915/intel_uncore.c:620
hsw_unclaimed_reg_debug.isra.14+0x78/0xa0 [i915]()
Sep 12 10:18:13 palinski kernel: Unclaimed register detected after writing to
register 0x223a0
Sep 12 10:18:13 palinski kernel: Modules linked in: btrfs xor raid6_pq ufs qnx4
hfsplus hfs minix ntfs msdos jfs xfs libcrc32c cpuid ppp_mppe ppp_async
crc_ccitt pci_stub vboxpci(OE) vboxneta
Sep 12 10:18:13 palinski kernel:  rtsx_pci_ms cfg80211 snd_hda_codec
thinkpad_acpi drm memstick snd_hda_core snd_hwdep nvram snd_pcm i2c_algo_bit
snd_seq_device mei_me lpc_ich mei snd_timer s
Sep 12 10:18:13 palinski kernel: CPU: 0 PID: 18479 Comm: JobWorker Tainted: G  
     W  OE   4.2.0-040200-generic #201508301530
Sep 12 10:18:13 palinski kernel: Hardware name: LENOVO 20BVCTO1WW/20BVCTO1WW,
BIOS JBET51WW (1.16 ) 07/08/2015
Sep 12 10:18:13 palinski kernel:  ffffffffc0496c50 ffff88045dc03c88
ffffffff817a1b43 0000000000000000
Sep 12 10:18:13 palinski kernel:  ffff88045dc03cd8 ffff88045dc03cc8
ffffffff8107719a 0000000000000082
Sep 12 10:18:13 palinski kernel:  ffff88044a370078 ffff88044a3702c0
00000000000223a0 ffff88044a370078
Sep 12 10:18:13 palinski kernel: Call Trace:
Sep 12 10:18:13 palinski kernel:  <IRQ>  [<ffffffff817a1b43>]
dump_stack+0x45/0x57
Sep 12 10:18:13 palinski kernel:  [<ffffffff8107719a>]
warn_slowpath_common+0x8a/0xc0
Sep 12 10:18:13 palinski kernel:  [<ffffffff81077216>]
warn_slowpath_fmt+0x46/0x50
Sep 12 10:18:13 palinski kernel:  [<ffffffffc041adc8>]
hsw_unclaimed_reg_debug.isra.14+0x78/0xa0 [i915]
Sep 12 10:18:13 palinski kernel:  [<ffffffffc041efb6>] gen8_write32+0xf6/0x1b0
[i915]
Sep 12 10:18:13 palinski kernel:  [<ffffffffc0412ece>]
intel_lrc_irq_handler+0x19e/0x230 [i915]
Sep 12 10:18:13 palinski kernel:  [<ffffffffc0409a34>]
gen8_gt_irq_handler+0x224/0x250 [i915]
Sep 12 10:18:13 palinski kernel:  [<ffffffffc0409adc>]
gen8_irq_handler+0x7c/0x530 [i915]
Sep 12 10:18:13 palinski kernel:  [<ffffffff814b542a>] ?
add_interrupt_randomness+0x3a/0x1c0
Sep 12 10:18:13 palinski kernel:  [<ffffffff810cdb79>]
handle_irq_event_percpu+0x39/0x180
Sep 12 10:18:13 palinski kernel:  [<ffffffff810cdd09>]
handle_irq_event+0x49/0x70
Sep 12 10:18:13 palinski kernel:  [<ffffffff810d0e4d>]
handle_edge_irq+0x9d/0x150
Sep 12 10:18:13 palinski kernel:  [<ffffffff810171c5>] handle_irq+0x25/0x40
Sep 12 10:18:13 palinski kernel:  [<ffffffff817aba31>] do_IRQ+0x51/0xe0
Sep 12 10:18:13 palinski kernel:  [<ffffffff817a99ab>]
common_interrupt+0x6b/0x6b
Sep 12 10:18:13 palinski kernel:  <EOI> 
Sep 12 10:18:13 palinski kernel: ---[ end trace 79deec7e25f6469c ]---

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  reply	other threads:[~2015-09-12  7:45 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-10 14:02 [Bug 91960] [i915] kernel warning hsw_unclaimed_reg_debug intel_uncore.c:619 bugzilla-daemon
2015-09-12  7:45 ` bugzilla-daemon [this message]
2015-10-02 11:54 ` bugzilla-daemon
2016-02-21 20:13 ` bugzilla-daemon
2016-03-22 12:22 ` bugzilla-daemon
2016-03-26  1:21 ` bugzilla-daemon
2016-08-13 11:14 ` bugzilla-daemon
2016-08-23 14:48 ` bugzilla-daemon
2016-08-23 14:52 ` bugzilla-daemon
2016-12-01  9:27 ` bugzilla-daemon

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