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Message-Id: <201204210739.08963.maciej.rutecki@gmail.com> Date: Sat, 21 Apr 2012 07:39:08 +0200 From: Maciej Rutecki <maciej.rutecki@...il.com> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Cc: dri-devel@...ts.freedesktop.org, Daniel Vetter <daniel@...ll.ch> Subject: [Regression][3.4-rc3][intel-dri] MMIO read or write has been dropped ffffffff Bad kernel: 3.4-rc3 Last known good: 3.3 Subsystem: dri-intel (guess) Steps to reproduce: 1. Suspend to ram 2. Resume After resume laptop works ok, but in dmesg I found: [ 164.098113] ------------[ cut here ]------------ [ 164.098124] WARNING: at drivers/gpu/drm/i915/i915_drv.c:398 gen6_gt_check_fifodbg.isra.6+0x31/0x43() [ 164.098126] Hardware name: 1141ALG [ 164.098128] MMIO read or write has been dropped ffffffff [ 164.098129] Modules linked in: xt_tcpudp xt_limit xt_state iptable_filter nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ip_tables x_tables bnep rfcomm bluetooth uinput fuse loop sha256_generic aes_x86_64 aes_generic cbc dm_crypt dm_mod uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev usbhid hid media snd_hda_codec_hdmi snd_hda_codec_conexant arc4 iwlwifi mac80211 thinkpad_acpi cfg80211 coretemp nvram snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq ehci_hcd sdhci_pci crc32c_intel iTCO_wdt iTCO_vendor_support ghash_clmulni_intel snd_seq_device cryptd snd_timer microcode snd acpi_cpufreq mperf usbcore psmouse sdhci r8169 mmc_core mii ac rfkill i2c_i801 soundcore mei(C) serio_raw pcspkr thermal battery power_supply wmi usb_common evdev processor [ 164.098188] Pid: 4684, comm: kworker/u:9 Tainted: G C 3.4.0-rc3 #1 [ 164.098189] Call Trace: [ 164.098197] [<ffffffff8103aa3c>] warn_slowpath_common+0x7e/0x96 [ 164.098200] [<ffffffff8103aae8>] warn_slowpath_fmt+0x41/0x43 [ 164.098203] [<ffffffff812cbec7>] gen6_gt_check_fifodbg.isra.6+0x31/0x43 [ 164.098207] [<ffffffff812cc13b>] __gen6_gt_force_wake_put+0x19/0x1b [ 164.098210] [<ffffffff812cc3cf>] i915_read32+0x66/0x9d [ 164.098213] [<ffffffff812ce4fa>] i915_update_gfx_val+0x61/0xb9 [ 164.098218] [<ffffffff812e989f>] intel_idle_update+0x47/0x18d [ 164.098222] [<ffffffff810520d7>] process_one_work+0x1b5/0x340 [ 164.098225] [<ffffffff8105203a>] ? process_one_work+0x118/0x340 [ 164.098228] [<ffffffff812e9858>] ? intel_disable_plane+0x60/0x60 [ 164.098231] [<ffffffff81052c63>] worker_thread+0xce/0x152 [ 164.098234] [<ffffffff81052b95>] ? manage_workers.isra.22+0x16a/0x16a [ 164.098237] [<ffffffff810567c6>] kthread+0xa1/0xa9 [ 164.098242] [<ffffffff81080ea1>] ? trace_hardirqs_on+0xd/0xf [ 164.098246] [<ffffffff8145d374>] kernel_thread_helper+0x4/0x10 [ 164.098250] [<ffffffff81456970>] ? retint_restore_args+0x13/0x13 [ 164.098253] [<ffffffff81056725>] ? __init_kthread_worker+0x55/0x55 [ 164.098256] [<ffffffff8145d370>] ? gs_change+0x13/0x13 [ 164.098257] ---[ end trace 97bd0b679d161c3e ]--- [ 164.098827] ------------[ cut here ]------------ [ 164.098830] WARNING: at drivers/gpu/drm/i915/i915_drv.c:398 gen6_gt_check_fifodbg.isra.6+0x31/0x43() [ 164.098832] Hardware name: 1141ALG [ 164.098833] MMIO read or write has been dropped ffffffff [ 164.098834] Modules linked in: xt_tcpudp xt_limit xt_state iptable_filter nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ip_tables x_tables bnep rfcomm bluetooth uinput fuse loop sha256_generic aes_x86_64 aes_generic cbc dm_crypt dm_mod uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev usbhid hid media snd_hda_codec_hdmi snd_hda_codec_conexant arc4 iwlwifi mac80211 thinkpad_acpi cfg80211 coretemp nvram snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq ehci_hcd sdhci_pci crc32c_intel iTCO_wdt iTCO_vendor_support ghash_clmulni_intel snd_seq_device cryptd snd_timer microcode snd acpi_cpufreq mperf usbcore psmouse sdhci r8169 mmc_core mii ac rfkill i2c_i801 soundcore mei(C) serio_raw pcspkr thermal battery power_supply wmi usb_common evdev processor [ 164.098877] Pid: 4684, comm: kworker/u:9 Tainted: G WC 3.4.0-rc3 #1 [ 164.098878] Call Trace: [ 164.098881] [<ffffffff8103aa3c>] warn_slowpath_common+0x7e/0x96 [ 164.098884] [<ffffffff8103aae8>] warn_slowpath_fmt+0x41/0x43 [ 164.098888] [<ffffffff812cbec7>] gen6_gt_check_fifodbg.isra.6+0x31/0x43 [ 164.098891] [<ffffffff812cc13b>] __gen6_gt_force_wake_put+0x19/0x1b [ 164.098894] [<ffffffff812cc3cf>] i915_read32+0x66/0x9d [ 164.098896] [<ffffffff812e98f7>] intel_idle_update+0x9f/0x18d [ 164.098899] [<ffffffff810520d7>] process_one_work+0x1b5/0x340 [ 164.098902] [<ffffffff8105203a>] ? process_one_work+0x118/0x340 [ 164.098904] [<ffffffff812e9858>] ? intel_disable_plane+0x60/0x60 [ 164.098907] [<ffffffff81052c63>] worker_thread+0xce/0x152 [ 164.098910] [<ffffffff81052b95>] ? manage_workers.isra.22+0x16a/0x16a [ 164.098913] [<ffffffff810567c6>] kthread+0xa1/0xa9 [ 164.098916] [<ffffffff81080ea1>] ? trace_hardirqs_on+0xd/0xf [ 164.098918] [<ffffffff8145d374>] kernel_thread_helper+0x4/0x10 [ 164.098921] [<ffffffff81456970>] ? retint_restore_args+0x13/0x13 [ 164.098925] [<ffffffff81056725>] ? __init_kthread_worker+0x55/0x55 [ 164.098927] [<ffffffff8145d370>] ? gs_change+0x13/0x13 [ 164.098928] ---[ end trace 97bd0b679d161c3f ]--- I found similar report in: https://bugzilla.redhat.com/show_bug.cgi?id=809773 Dmesg, config and lspci: http://mrutecki.pl/download/kernel/3.4-rc3/dri_intel/ Regards -- Maciej Rutecki http://www.mrutecki.pl -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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