Is this problem MEI or PM (or even both) related? - Sedat - ---------- Forwarded message ---------- From: Sedat Dilek <sedat.dilek@xxxxxxxxx> Date: Fri, Jul 13, 2012 at 12:09 PM Subject: Re: [3.5-rc6+] mei: irq: request_threaded_irq is missing the IRQF_ONESHOT flag To: Tomas Winkler <tomas.winkler@xxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Roland Dreier <roland@xxxxxxxxxxxxxxx> On Fri, Jul 13, 2012 at 11:47 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: > Hi, > > while dealing with [1], I saw this mei-related infos in dmesg when > doing a suspend + resume (see [1] for more logs): > > [17046.348467] [<ffffffffa00554d8>] mei_pci_suspend+0x78/0xd0 [mei] > [17047.460315] mei 0000:00:16.0: irq 47 for MSI/MSI-X > [17047.460512] mei 0000:00:16.0: request_threaded_irq failed: irq = 47. > > I am not sure whom to address with the issue - so I just asked on > #linux-rt and Thomas responded: > > [ 13-Jul-2012: German local-time (UTC+2) ] > ... > [11:03:40] <tglx> request_threaded_irq is missing the IRQF_ONESHOT flag > ... > [11:24:18] <tglx> anyone can fix it by sending a patch which adds the flag :) > > Futhermore, I found those commits, so I added folks from there to this BR: > > 16a50b1 mei: pci_resume: set IRQF_ONESHOT for msi request_threaded_irq > aa189ec misc: mei: set IRQF_ONESHOT for msi request_threaded_irq > > If you need more infos and/or logs, please let me know. > > Feel free to add: > > Reported-by: Sedat Dilek <sedat.dilek@xxxxxxxxx> > > Kind Regards, > - Sedat (dileks on IRC) - > > [1] http://marc.info/?l=linux-kernel&m=134216822724119&w=2 Here some more infos: $ lspci -nnvv | egrep 'mei|00:16' 00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04) Kernel driver in use: mei $ dmesg | egrep 'mei|00:16' [ 0.242776] pci 0000:00:16.0: [8086:1c3a] type 00 class 0x078000 [ 0.242802] pci 0000:00:16.0: reg 10: [mem 0xf0705000-0xf070500f 64bit] [ 0.242884] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold [ 23.645968] mei 0000:00:16.0: setting latency timer to 64 [ 23.646041] mei 0000:00:16.0: irq 47 for MSI/MSI-X [ 23.650677] mei 0000:00:16.0: wd: failed to find the client [ 1386.959871] mei 0000:00:16.0: irq 47 for MSI/MSI-X [ 1386.960810] mei 0000:00:16.0: wd: failed to find the client [ 1435.138062] mei 0000:00:16.0: irq 47 for MSI/MSI-X [ 1435.139033] mei 0000:00:16.0: wd: failed to find the client >From the above mentionned dmesg log: $ dmesg | egrep 'mei|00:16|IRQF_ONESHOT' CALL-TRACE_3.5.0-rc6-1-iniza-generic_PM-related_HW-hidden.txt [17046.348410] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek rfcomm bnep parport_pc ppdev joydev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm coretemp kvm_intel snd_page_alloc kvm arc4 snd_seq_midi snd_seq_midi_event iwlwifi i915 snd_rawmidi uvcvideo snd_seq ghash_clmulni_intel snd_seq_device videobuf2_vmalloc aesni_intel snd_timer videobuf2_memops aes_x86_64 drm_kms_helper videobuf2_core cryptd mac80211 drm snd videodev psmouse samsung_laptop i2c_algo_bit btusb hid_generic soundcore microcode serio_raw cfg80211 lp mei bluetooth video mac_hid lpc_ich parport usbhid hid r8169 [17046.348467] [<ffffffffa00554d8>] mei_pci_suspend+0x78/0xd0 [mei] [17047.460315] mei 0000:00:16.0: irq 47 for MSI/MSI-X [17047.460512] mei 0000:00:16.0: request_threaded_irq failed: irq = 47. [17047.460520] PM: Device 0000:00:16.0 failed to resume async: error -22 I am sorry if this is a different issue as already reported. Greetings, - Sedat -
