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Old 06-29-2011, 04:58 PM
Genes MailLists
 
Default i915 errors from 3.0 kernel

I am getting a lot of these in kernel 3.0-0.rc5.git0.1.fc16.x86_64
testing on F15 - i915 - happens on wake from sleep I think. Is this
advisory/benign or a problem ?

thanks

gene/.


------------------ /var/log/messages ------------------------------


Jun 29 08:37:25 lap3 kernel: [72538.407300] ------------[ cut here
]------------
Jun 29 08:37:25 lap3 kernel: [72538.407305] WARNING: at
drivers/gpu/drm/i915/i915_drv.c:322 gen6_gt_force_wake_ge
t+0x2a/0xa3 [i915]()
Jun 29 08:37:25 lap3 kernel: [72538.407306] Hardware name: 4270CTO
Jun 29 08:37:25 lap3 kernel: [72538.407307] Modules linked in: tcp_lp
fuse ebtable_nat ebtables ipt_MASQUERADE ip
table_nat nf_nat xt_CHECKSUM iptable_mangle bridge stp llc hidp sunrpc
cpufreq_ondemand acpi_cpufreq freq_table m
perf capi kernelcapi rfcomm bnep ip6t_REJECT nf_conntrack_ipv6
nf_defrag_ipv6 ip6table_filter ip6_tables nf_connt
rack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xts gf128mul dm_crypt
arc4 uvcvideo videodev media v4l2_compat_ioc
tl32 microcode btusb bluetooth snd_hda_codec_conexant joydev xhci_hcd
iwlagn mac80211 snd_hda_intel snd_hda_codec
iTCO_wdt i2c_i801 snd_hwdep cfg80211 snd_seq snd_seq_device
iTCO_vendor_support snd_pcm snd_timer e1000e snd_pag
e_alloc thinkpad_acpi rfkill snd soundcore virtio_net kvm_intel kvm
sdhci_pci firewire_ohci sdhci firewire_core m
mc_core crc_itu_t wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core
video [last unloaded: scsi_wait_scan]
Jun 29 08:37:25 lap3 kernel: [72538.407334] Pid: 24420, comm:
kworker/u:15 Tainted: G W 3.0-0.rc5.git0.1
.fc16.x86_64 #1
Jun 29 08:37:25 lap3 kernel: [72538.407335] Call Trace:
Jun 29 08:37:25 lap3 kernel: [72538.407337] [<ffffffff81057b0c>]
warn_slowpath_common+0x83/0x9b
Jun 29 08:37:25 lap3 kernel: [72538.407339] [<ffffffff81057b3e>]
warn_slowpath_null+0x1a/0x1c
Jun 29 08:37:25 lap3 kernel: [72538.407345] [<ffffffffa006b4d7>]
gen6_gt_force_wake_get+0x2a/0xa3 [i915]
Jun 29 08:37:25 lap3 kernel: [72538.407351] [<ffffffffa0075a54>]
i915_read32+0x34/0x6b [i915]
Jun 29 08:37:25 lap3 kernel: [72538.407358] [<ffffffffa0077f7c>]
i915_save_state+0x170/0x1e9 [i915]
Jun 29 08:37:25 lap3 kernel: [72538.407364] [<ffffffffa006b07b>]
i915_drm_freeze+0x7b/0x95 [i915]
Jun 29 08:37:25 lap3 kernel: [72538.407370] [<ffffffffa006b25e>]
i915_pm_suspend+0x55/0x77 [i915]
Jun 29 08:37:25 lap3 kernel: [72538.407372] [<ffffffff812763dd>]
pci_pm_suspend+0x7d/0x100
Jun 29 08:37:25 lap3 kernel: [72538.407373] [<ffffffff813278d1>]
pm_op+0x8b/0x149
Jun 29 08:37:25 lap3 kernel: [72538.407375] [<ffffffff81327b3d>]
__device_suspend+0x150/0x1cc
Jun 29 08:37:25 lap3 kernel: [72538.407376] [<ffffffff81327bd8>]
async_suspend+0x1f/0x47
Jun 29 08:37:25 lap3 kernel: [72538.407378] [<ffffffff8107b928>]
async_run_entry_fn+0x9e/0x132
Jun 29 08:37:25 lap3 kernel: [72538.407380] [<ffffffff8107b88a>] ?
async_schedule+0x17/0x17
Jun 29 08:37:25 lap3 kernel: [72538.407382] [<ffffffff8106ff45>]
process_one_work+0x1ce/0x379
Jun 29 08:37:25 lap3 kernel: [72538.407384] [<ffffffff8106fec4>] ?
process_one_work+0x14d/0x379
Jun 29 08:37:25 lap3 kernel: [72538.407386] [<ffffffff81070c45>]
worker_thread+0xda/0x15d
Jun 29 08:37:25 lap3 kernel: [72538.407388] [<ffffffff81070b6b>] ?
manage_workers+0x175/0x175
Jun 29 08:37:25 lap3 kernel: [72538.407390] [<ffffffff81070b6b>] ?
manage_workers+0x175/0x175
Jun 29 08:37:25 lap3 kernel: [72538.407392] [<ffffffff810745e1>]
kthread+0xa8/0xb0
Jun 29 08:37:25 lap3 kernel: [72538.407394] [<ffffffff814fb324>]
kernel_thread_helper+0x4/0x10
Jun 29 08:37:25 lap3 kernel: [72538.407396] [<ffffffff814f39d4>] ?
retint_restore_args+0x13/0x13
Jun 29 08:37:25 lap3 kernel: [72538.407398] [<ffffffff81074539>] ?
__init_kthread_worker+0x5a/0x5a
Jun 29 08:37:25 lap3 kernel: [72538.407400] [<ffffffff814fb320>] ?
gs_change+0x13/0x13
Jun 29 08:37:25 lap3 kernel: [72538.407401] ---[ end trace
33a887dd07d385e2 ]---
Jun 29 08:37:25 lap3 kernel: [72538.407675] ------------[ cut here
]------------

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Old 06-29-2011, 05:22 PM
Adam Williamson
 
Default i915 errors from 3.0 kernel

On Wed, 2011-06-29 at 12:58 -0400, Genes MailLists wrote:
>
> I am getting a lot of these in kernel 3.0-0.rc5.git0.1.fc16.x86_64
> testing on F15 - i915 - happens on wake from sleep I think. Is this
> advisory/benign or a problem ?

It's benign. We go through this every time we go from a release kernel
to a development kernel: these warnings are enabled in development
kernels. It is just a warning about sub-optimal behaviour, useful to
kernel developers, not at all fatal or particularly problematic to your
use of the system.
--
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Fedora Talk: adamwill AT fedoraproject DOT org
http://www.happyassassin.net

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