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From: Takashi Iwai <tiwai@suse.de>
To: Shuah Khan <skhan@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	David Rientjes <rientjes@google.com>,
	Christoph Hellwig <hch@lst.de>
Subject: Re: Linux 5.8-rc1 BUG unable to handle page fault (snd_pcm)
Date: Mon, 15 Jun 2020 21:57:34 +0200	[thread overview]
Message-ID: <s5hsgew2jbl.wl-tiwai@suse.de> (raw)
In-Reply-To: <446c7a14-db97-6389-a03c-9ffccd251529@linuxfoundation.org>

On Mon, 15 Jun 2020 20:48:11 +0200,
Shuah Khan wrote:
> 
> I am seeing the following problem on my system. I haven't started debug
> yet. Is this a known issue?

Yes, the recent fix by David should paper over it:
  http://lore.kernel.org/r/alpine.DEB.2.22.394.2006110025250.13899@chino.kir.corp.google.com
IIRC, Christoph already merged it in his tree.

I also made another fix series in the sound driver side (found in
topic/dma-fix2 branch in my sound.git tree).
But I guess I'll queue it for 5.9 after more testing.


thanks,

Takashi


> [    9.791309] BUG: unable to handle page fault for address:
> ffffb1e78165d000
> [    9.791328] #PF: supervisor write access in kernel mode
> [    9.791330] #PF: error_code(0x000b) - reserved bit violation
> [    9.791332] PGD 23dd5c067 P4D 23dd5c067 PUD 23dd5d067 PMD 22ba8e067
> PTE 80001a3681509163
> [    9.791337] Oops: 000b [#1] SMP NOPTI
> [    9.791340] CPU: 7 PID: 866 Comm: pulseaudio Not tainted 5.8.0-rc1 #1
> [    9.791341] Hardware name: LENOVO 10VGCTO1WW/3130, BIOS M1XKT45A
> 08/21/2019
> [    9.791346] RIP: 0010:__memset+0x24/0x30
> [    9.791348] Code: cc cc cc cc cc cc 0f 1f 44 00 00 49 89 f9 48 89
> d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48
> 0f af c6 <f3> 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89
> d1 f3
> [    9.791350] RSP: 0018:ffffb1e7817a7dd0 EFLAGS: 00010216
> [    9.791352] RAX: 0000000000000000 RBX: ffff97b32dfd7400 RCX:
> 00000000000008a0
> [    9.791354] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
> ffffb1e78165d000
> [    9.791356] RBP: ffffb1e7817a7e00 R08: ffffb1e780000000 R09:
> ffffb1e78165d000
> [    9.791358] R10: ffffffffffffffff R11: ffffb1e78165d000 R12:
> 0000000000000000
> [    9.791359] R13: ffff97b32dfd3000 R14: ffffffffc0b48880 R15:
> ffff97b33aa42600
> [    9.791361] FS:  00007fa11cb34ec0(0000) GS:ffff97b33edc0000(0000)
> knlGS:0000000000000000
> [    9.791363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [    9.791365] CR2: ffffb1e78165d000 CR3: 0000000210db6000 CR4:
> 00000000003406e0
> [    9.791367] Call Trace:
> [    9.791377]  ? snd_pcm_hw_params+0x3ca/0x440 [snd_pcm]
> [    9.791383]  snd_pcm_common_ioctl+0x173/0xf20 [snd_pcm]
> [    9.791389]  ? snd_ctl_ioctl+0x1c5/0x710 [snd]
> [    9.791394]  snd_pcm_ioctl+0x27/0x40 [snd_pcm]
> [    9.791398]  ksys_ioctl+0x9d/0xd0
> [    9.791400]  __x64_sys_ioctl+0x1a/0x20
> [    9.791404]  do_syscall_64+0x49/0xc0
> [    9.791406]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [    9.791408] RIP: 0033:0x7fa11d4c137b
> [    9.791410] Code: Bad RIP value.
> [    9.791412] RSP: 002b:00007ffe2fb4e308 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000010
> [    9.791414] RAX: ffffffffffffffda RBX: 00007ffe2fb4e510 RCX:
> 00007fa11d4c137b
> [    9.791415] RDX: 00007ffe2fb4e510 RSI: 00000000c2604111 RDI:
> 0000000000000012
> [    9.791417] RBP: 000055e99f65a890 R08: 0000000000000000 R09:
> 0000000000000000
> [    9.791418] R10: 0000000000000004 R11: 0000000000000246 R12:
> 000055e99f65a810
> [    9.791420] R13: 00007ffe2fb4e344 R14: 0000000000000000 R15:
> 00007ffe2fb4e510
> [    9.791422] Modules linked in: cmac algif_hash algif_skcipher
> af_alg bnep binfmt_misc nls_iso8859_1 snd_hda_codec_realtek
> snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel
> snd_usb_audio snd_intel_dspcfg snd_usbmidi_lib snd_hda_codec amdgpu mc
> snd_hda_core snd_hwdep snd_pcm edac_mce_amd iommu_v2 ath10k_pci
> snd_seq_midi gpu_sched snd_seq_midi_event kvm_amd kvm ttm snd_rawmidi
> ath10k_core irqbypass drm_kms_helper snd_seq cec i2c_algo_bit
> fb_sys_fops ath snd_seq_device syscopyarea snd_timer mac80211
> crct10dif_pclmul ghash_clmulni_intel btusb aesni_intel btrtl btbcm
> crypto_simd cryptd btintel serio_raw input_leds sysfillrect
> glue_helper bluetooth efi_pstore k10temp snd pl2303 wmi_bmof
> ecdh_generic ecc snd_pci_acp3x sysimgblt cfg80211 soundcore ccp
> libarc4 ipmi_devintf ipmi_msghandler mac_hid sch_fq_codel parport_pc
> ppdev lp parport drm ip_tables x_tables autofs4 hid_generic usbhid hid
> crc32_pclmul nvme ahci psmouse i2c_piix4 libahci nvme_core r8169
> realtek wmi video
> [    9.791463] CR2: ffffb1e78165d000
> [    9.791465] ---[ end trace 7b22a028ccaf2e75 ]---
> 
> thanks,
> -- Shuah
> 

  parent reply	other threads:[~2020-06-15 19:57 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-15 18:48 Shuah Khan
2020-06-15 19:47 ` David Rientjes
2020-06-15 19:48 ` Linus Torvalds
2020-06-15 20:41   ` Shuah Khan
2020-06-15 20:55     ` Linus Torvalds
2020-06-15 21:18       ` Shuah Khan
2020-06-15 22:23         ` Linus Torvalds
2020-06-15 22:24       ` [PATCH] scripts/decode_stacktrace: warn when modpath is needed but is unset Sasha Levin
2020-06-15 22:37         ` Linus Torvalds
2020-06-15 22:43           ` Linus Torvalds
2020-06-15 23:24             ` Sasha Levin
2020-06-15 19:57 ` Takashi Iwai [this message]
2020-06-15 20:53   ` Linux 5.8-rc1 BUG unable to handle page fault (snd_pcm) Shuah Khan
2020-06-15 21:04     ` Shuah Khan

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