On Wed, 20 May 2020 13:11:37 +0200, Pavel Machek wrote: > > Hi! > > My window manager stopped responding. I was able to recover machine > using sysrq-k. > > I started writing nice report, when session failed second time. And > then third time on next attempt. > > Any ideas? Do you know when the regression started? There have been significant code changes regarding the sound buffer management, and it's merged in 5.6-rc1. Other than that, I have no idea yet. Takashi > > I'll send this out before this locks up... > > Best regards, > Pavel > > [ 2801.147411] sdhci-pci 0000:15:00.2: Will use DMA mode even though HW doesn't fully claim to support it. > [ 2801.187449] sdhci-pci 0000:15:00.2: Will use DMA mode even though HW doesn't fully claim to support it. > [ 2801.192260] usb 1-2: new high-speed USB device number 5 using ehci-pci > [ 2801.240241] sdhci-pci 0000:15:00.2: Will use DMA mode even though HW doesn't fully claim to support it. > [ 2801.300663] sdhci-pci 0000:15:00.2: Will use DMA mode even though HW doesn't fully claim to support it. > [ 2801.352181] usb 1-2: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 5.07 > [ 2801.352192] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > [ 2801.352200] usb 1-2: Product: Ethernet Gadget > [ 2801.352207] usb 1-2: Manufacturer: Linux 5.7.0-rc4-00046-g6d7c0f75a522 with musb-hdrc > [ 2801.419872] e1000e 0000:02:00.0 eth1: NIC Link is Down > [ 2801.428760] cdc_ether 1-2:1.0 usb0: register 'cdc_ether' at usb-0000:00:1d.7-2, CDC Ethernet Device, 72:ed:12:23:c9:c2 > [ 2804.020289] wlan0: authenticate with 5c:f4:ab:10:d2:bb > [ 2804.020451] wlan0: send auth to 5c:f4:ab:10:d2:bb (try 1/3) > [ 2804.022385] wlan0: authenticated > [ 2804.024243] wlan0: associate with 5c:f4:ab:10:d2:bb (try 1/3) > [ 2804.026985] wlan0: RX AssocResp from 5c:f4:ab:10:d2:bb (capab=0x411 status=0 aid=2) > [ 2804.028961] wlan0: associated > [ 2874.520955] perf: interrupt took too long (2507 > 2500), lowering kernel.perf_event_max_sample_rate to 79750 > [ 3730.016148] perf: interrupt took too long (3135 > 3133), lowering kernel.perf_event_max_sample_rate to 63750 > [ 4274.984810] BUG: unable to handle page fault for address: f8600000 > [ 4274.984821] #PF: supervisor write access in kernel mode > [ 4274.984827] #PF: error_code(0x0002) - not-present page > [ 4274.984833] *pdpt = 000000002c0b2001 *pde = 0000000000000000 > [ 4274.984843] Oops: 0002 [#1] PREEMPT SMP PTI > [ 4274.984853] CPU: 1 PID: 3351 Comm: marco Not tainted 5.7.0-rc6-next-20200519+ #115 > [ 4274.984859] Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW (2.19 ) 03/31/2011 > [ 4274.984871] EIP: memset+0xb/0x20 > [ 4274.984878] Code: f9 01 72 0b 8a 0e 88 0f 8d b4 26 00 00 00 00 8b 45 f0 83 c4 04 5b 5e 5f 5d c3 8d 74 26 00 90 55 89 e5 57 89 c7 53 89 c3 89 d0 <f3> aa 89 d8 5b 5f 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 89 > [ 4274.984885] EAX: 00000000 EBX: f85fe000 ECX: 0001e000 EDX: 00000000 > [ 4274.984892] ESI: ed158400 EDI: f8600000 EBP: edcc9e6c ESP: edcc9e64 > [ 4274.984898] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00210246 > [ 4274.984905] CR0: 80050033 CR2: f8600000 CR3: 2c114000 CR4: 000006b0 > [ 4274.984910] Call Trace: > [ 4274.984923] snd_pcm_hw_params+0x38d/0x400 > [ 4274.984930] snd_pcm_ioctl+0x187/0xe80 > [ 4274.984940] ? __fget_files+0x86/0xc0 > [ 4274.984947] ? __fget_light+0x6b/0x80 > [ 4274.984954] ? snd_pcm_status_user64+0x90/0x90 > [ 4274.984962] ksys_ioctl+0x1cd/0x880 > [ 4274.984971] ? ksys_mmap_pgoff+0x81/0xc0 > [ 4274.984978] ? fput+0xd/0x10 > [ 4274.984984] ? ksys_mmap_pgoff+0x8d/0xc0 > [ 4274.984991] __ia32_sys_ioctl+0x10/0x12 > [ 4274.985000] do_int80_syscall_32+0x3c/0x100 > [ 4274.985010] entry_INT80_32+0x116/0x116 > [ 4274.985016] EIP: 0xb7f17092 > [ 4274.985023] Code: 00 00 00 e9 90 ff ff ff ff a3 24 00 00 00 68 30 00 00 00 e9 80 ff ff ff ff a3 e8 ff ff ff 66 90 00 00 00 00 00 00 00 00 cd 80 <c3> 8d b4 26 00 00 00 00 8d b6 00 00 00 00 8b 1c 24 c3 8d b4 26 00 > [ 4274.985030] EAX: ffffffda EBX: 00000011 ECX: c25c4111 EDX: bf8d5280 > [ 4274.985036] ESI: 08250880 EDI: bf8d5280 EBP: 082a4150 ESP: bf8d50a4 > [ 4274.985042] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00200292 > [ 4274.985051] ? nmi+0xcc/0x2bc > [ 4274.985055] Modules linked in: > [ 4274.985063] CR2: 00000000f8600000 > [ 4274.985072] ---[ end trace 61b0852711d6de1d ]--- > [ 4274.985079] EIP: memset+0xb/0x20 > [ 4274.985086] Code: f9 01 72 0b 8a 0e 88 0f 8d b4 26 00 00 00 00 8b 45 f0 83 c4 04 5b 5e 5f 5d c3 8d 74 26 00 90 55 89 e5 57 89 c7 53 89 c3 89 d0 <f3> aa 89 d8 5b 5f 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 89 > [ 4274.985092] EAX: 00000000 EBX: f85fe000 ECX: 0001e000 EDX: 00000000 > [ 4274.985099] ESI: ed158400 EDI: f8600000 EBP: edcc9e6c ESP: edcc9e64 > [ 4274.985105] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00210246 > [ 4274.985112] CR0: 80050033 CR2: f8600000 CR3: 2c114000 CR4: 000006b0 > [ 4337.396551] sysrq: SAK > [ 4337.397010] tty tty7: SAK: killed process 2963 (Xorg): by session > [ 4337.397282] tty tty7: SAK: killed process 2963 (Xorg): by controlling tty > [ 4337.397621] tty tty7: SAK: killed process 3484 (console-kit-dae): by fd#9 > [ 4337.397934] tty tty7: SAK: killed process 3485 (console-kit-dae): by fd#9 > [ 4337.397940] tty tty7: SAK: killed process 3486 (console-kit-dae): by fd#9 > [ 4337.397945] tty tty7: SAK: killed process 3487 (console-kit-dae): by fd#9 > [ 4337.397951] tty tty7: SAK: killed process 3488 (console-kit-dae): by fd#9 > [ 4337.397956] tty tty7: SAK: killed process 3489 (console-kit-dae): by fd#9 > [ 4337.397961] tty tty7: SAK: killed process 3490 (console-kit-dae): by fd#9 > [ 4337.397967] tty tty7: SAK: killed process 3491 (console-kit-dae): by fd#9 > [ 4337.397972] tty tty7: SAK: killed process 3492 (console-kit-dae): by fd#9 > [ 4337.397978] tty tty7: SAK: killed process 3493 (console-kit-dae): by fd#9 > [ 4337.397983] tty tty7: SAK: killed process 3494 (console-kit-dae): by fd#9 > [ 4337.397989] tty tty7: SAK: killed process 3495 (console-kit-dae): by fd#9 > [ 4337.397994] tty tty7: SAK: killed process 3496 (console-kit-dae): by fd#9 > [ 4337.397999] tty tty7: SAK: killed process 3497 (console-kit-dae): by fd#9 > [ 4337.398005] tty tty7: SAK: killed process 3498 (console-kit-dae): by fd#9 > [ 4337.398010] tty tty7: SAK: killed process 3499 (console-kit-dae): by fd#9 > [ 4337.398015] tty tty7: SAK: killed process 3500 (console-kit-dae): by fd#9 > [ 4337.398021] tty tty7: SAK: killed process 3501 (console-kit-dae): by fd#9 > [ 4337.398026] tty tty7: SAK: killed process 3502 (console-kit-dae): by fd#9 > [ 4337.398032] tty tty7: SAK: killed process 3503 (console-kit-dae): by fd#9 > [ 4337.398037] tty tty7: SAK: killed process 3504 (console-kit-dae): by fd#9 > [ 4337.398042] tty tty7: SAK: killed process 3505 (console-kit-dae): by fd#9 > [ 4337.398048] tty tty7: SAK: killed process 3506 (console-kit-dae): by fd#9 > [ 4337.398053] tty tty7: SAK: killed process 3507 (console-kit-dae): by fd#9 > [ 4337.398059] tty tty7: SAK: killed process 3508 (console-kit-dae): by fd#9 > [ 4337.398064] tty tty7: SAK: killed process 3509 (console-kit-dae): by fd#9 > [ 4337.398070] tty tty7: SAK: killed process 3510 (console-kit-dae): by fd#9 > [ 4337.398075] tty tty7: SAK: killed process 3511 (console-kit-dae): by fd#9 > [ 4337.398080] tty tty7: SAK: killed process 3512 (console-kit-dae): by fd#9 > [ 4337.398086] tty tty7: SAK: killed process 3513 (console-kit-dae): by fd#9 > [ 4337.398091] tty tty7: SAK: killed process 3514 (console-kit-dae): by fd#9 > [ 4337.398097] tty tty7: SAK: killed process 3515 (console-kit-dae): by fd#9 > [ 4337.398102] tty tty7: SAK: killed process 3516 (console-kit-dae): by fd#9 > [ 4337.398107] tty tty7: SAK: killed process 3517 (console-kit-dae): by fd#9 > [ 4337.398113] tty tty7: SAK: killed process 3518 (console-kit-dae): by fd#9 > [ 4337.398118] tty tty7: SAK: killed process 3519 (console-kit-dae): by fd#9 > [ 4337.398124] tty tty7: SAK: killed process 3520 (console-kit-dae): by fd#9 > [ 4337.398129] tty tty7: SAK: killed process 3521 (console-kit-dae): by fd#9 > [ 4337.398135] tty tty7: SAK: killed process 3522 (console-kit-dae): by fd#9 > [ 4337.398141] tty tty7: SAK: killed process 3523 (console-kit-dae): by fd#9 > [ 4337.398146] tty tty7: SAK: killed process 3524 (console-kit-dae): by fd#9 > [ 4337.398151] tty tty7: SAK: killed process 3525 (console-kit-dae): by fd#9 > [ 4337.398157] tty tty7: SAK: killed process 3526 (console-kit-dae): by fd#9 > [ 4337.398162] tty tty7: SAK: killed process 3527 (console-kit-dae): by fd#9 > [ 4337.398168] tty tty7: SAK: killed process 3528 (console-kit-dae): by fd#9 > [ 4337.398173] tty tty7: SAK: killed process 3529 (console-kit-dae): by fd#9 > [ 4337.398178] tty tty7: SAK: killed process 3530 (console-kit-dae): by fd#9 > [ 4337.398184] tty tty7: SAK: killed process 3531 (console-kit-dae): by fd#9 > [ 4337.398189] tty tty7: SAK: killed process 3532 (console-kit-dae): by fd#9 > [ 4337.398194] tty tty7: SAK: killed process 3533 (console-kit-dae): by fd#9 > [ 4337.398200] tty tty7: SAK: killed process 3534 (console-kit-dae): by fd#9 > [ 4337.398205] tty tty7: SAK: killed process 3535 (console-kit-dae): by fd#9 > [ 4337.398210] tty tty7: SAK: killed process 3536 (console-kit-dae): by fd#9 > [ 4337.398216] tty tty7: SAK: killed process 3537 (console-kit-dae): by fd#9 > [ 4337.398221] tty tty7: SAK: killed process 3538 (console-kit-dae): by fd#9 > [ 4337.398227] tty tty7: SAK: killed process 3539 (console-kit-dae): by fd#9 > [ 4337.398232] tty tty7: SAK: killed process 3540 (console-kit-dae): by fd#9 > [ 4337.398237] tty tty7: SAK: killed process 3541 (console-kit-dae): by fd#9 > [ 4337.398243] tty tty7: SAK: killed process 3542 (console-kit-dae): by fd#9 > [ 4337.398248] tty tty7: SAK: killed process 3543 (console-kit-dae): by fd#9 > [ 4337.398253] tty tty7: SAK: killed process 3544 (console-kit-dae): by fd#9 > [ 4337.398260] tty tty7: SAK: killed process 3545 (console-kit-dae): by fd#9 > [ 4337.398265] tty tty7: SAK: killed process 3546 (console-kit-dae): by fd#9 > [ 4337.398270] tty tty7: SAK: killed process 3548 (gmain): by fd#9 > [ 4337.398276] tty tty7: SAK: killed process 3549 (gdbus): by fd#9 > [ 4337.743402] wlan0: deauthenticating from 5c:f4:ab:10:d2:bb by local choice (Reason: 3=DEAUTH_LEAVING) > [ 4349.750345] traps: clock-applet[7160] trap int3 ip:b71bafc0 sp:bffdd3b0 error:0 in libglib-2.0.so.0.5000.3[b716e000+12a000] > [ 4349.751834] traps: mateweather-app[7164] trap int3 ip:b729ffc0 sp:bfc45bf0 error:0 in libglib-2.0.so.0.5000.3[b7253000+12a000] > [ 4352.181317] wlan0: authenticate with 5c:f4:ab:10:d2:bb > [ 4352.183330] wlan0: send auth to 5c:f4:ab:10:d2:bb (try 1/3) > [ 4352.187927] wlan0: authenticated > [ 4352.192203] wlan0: associate with 5c:f4:ab:10:d2:bb (try 1/3) > [ 4352.194932] wlan0: RX AssocResp from 5c:f4:ab:10:d2:bb (capab=0x411 status=0 aid=2) > [ 4352.199395] wlan0: associated > [ 4688.523006] sysrq: SAK > [ 4688.523318] tty tty7: SAK: killed process 6791 (Xorg): by session > [ 4688.523683] tty tty7: SAK: killed process 6791 (Xorg): by controlling tty > [ 4688.523930] tty tty7: SAK: killed process 7017 (console-kit-dae): by fd#9 > [ 4688.524330] tty tty7: SAK: killed process 7018 (console-kit-dae): by fd#9 > [ 4688.524337] tty tty7: SAK: killed process 7019 (console-kit-dae): by fd#9 > [ 4688.524342] tty tty7: SAK: killed process 7020 (console-kit-dae): by fd#9 > [ 4688.524347] tty tty7: SAK: killed process 7021 (console-kit-dae): by fd#9 > [ 4688.524353] tty tty7: SAK: killed process 7022 (console-kit-dae): by fd#9 > [ 4688.524358] tty tty7: SAK: killed process 7023 (console-kit-dae): by fd#9 > [ 4688.524363] tty tty7: SAK: killed process 7024 (console-kit-dae): by fd#9 > [ 4688.524369] tty tty7: SAK: killed process 7025 (console-kit-dae): by fd#9 > [ 4688.524374] tty tty7: SAK: killed process 7026 (console-kit-dae): by fd#9 > [ 4688.524380] tty tty7: SAK: killed process 7027 (console-kit-dae): by fd#9 > [ 4688.524385] tty tty7: SAK: killed process 7028 (console-kit-dae): by fd#9 > [ 4688.524391] tty tty7: SAK: killed process 7029 (console-kit-dae): by fd#9 > [ 4688.524396] tty tty7: SAK: killed process 7030 (console-kit-dae): by fd#9 > [ 4688.524402] tty tty7: SAK: killed process 7031 (console-kit-dae): by fd#9 > [ 4688.524407] tty tty7: SAK: killed process 7032 (console-kit-dae): by fd#9 > [ 4688.524412] tty tty7: SAK: killed process 7033 (console-kit-dae): by fd#9 > [ 4688.524419] tty tty7: SAK: killed process 7034 (console-kit-dae): by fd#9 > [ 4688.524424] tty tty7: SAK: killed process 7035 (console-kit-dae): by fd#9 > [ 4688.524429] tty tty7: SAK: killed process 7036 (console-kit-dae): by fd#9 > [ 4688.524435] tty tty7: SAK: killed process 7037 (console-kit-dae): by fd#9 > [ 4688.524440] tty tty7: SAK: killed process 7038 (console-kit-dae): by fd#9 > [ 4688.524446] tty tty7: SAK: killed process 7039 (console-kit-dae): by fd#9 > [ 4688.524451] tty tty7: SAK: killed process 7040 (console-kit-dae): by fd#9 > [ 4688.524456] tty tty7: SAK: killed process 7041 (console-kit-dae): by fd#9 > [ 4688.524462] tty tty7: SAK: killed process 7042 (console-kit-dae): by fd#9 > [ 4688.524467] tty tty7: SAK: killed process 7043 (console-kit-dae): by fd#9 > [ 4688.524473] tty tty7: SAK: killed process 7044 (console-kit-dae): by fd#9 > [ 4688.524478] tty tty7: SAK: killed process 7045 (console-kit-dae): by fd#9 > [ 4688.524483] tty tty7: SAK: killed process 7046 (console-kit-dae): by fd#9 > [ 4688.524489] tty tty7: SAK: killed process 7047 (console-kit-dae): by fd#9 > [ 4688.524494] tty tty7: SAK: killed process 7048 (console-kit-dae): by fd#9 > [ 4688.524500] tty tty7: SAK: killed process 7049 (console-kit-dae): by fd#9 > [ 4688.524505] tty tty7: SAK: killed process 7050 (console-kit-dae): by fd#9 > [ 4688.524511] tty tty7: SAK: killed process 7051 (console-kit-dae): by fd#9 > [ 4688.524516] tty tty7: SAK: killed process 7052 (console-kit-dae): by fd#9 > [ 4688.524521] tty tty7: SAK: killed process 7053 (console-kit-dae): by fd#9 > [ 4688.524527] tty tty7: SAK: killed process 7054 (console-kit-dae): by fd#9 > [ 4688.524532] tty tty7: SAK: killed process 7055 (console-kit-dae): by fd#9 > [ 4688.524538] tty tty7: SAK: killed process 7056 (console-kit-dae): by fd#9 > [ 4688.524543] tty tty7: SAK: killed process 7057 (console-kit-dae): by fd#9 > [ 4688.524549] tty tty7: SAK: killed process 7058 (console-kit-dae): by fd#9 > [ 4688.524554] tty tty7: SAK: killed process 7059 (console-kit-dae): by fd#9 > [ 4688.524560] tty tty7: SAK: killed process 7060 (console-kit-dae): by fd#9 > [ 4688.524565] tty tty7: SAK: killed process 7061 (console-kit-dae): by fd#9 > [ 4688.524570] tty tty7: SAK: killed process 7062 (console-kit-dae): by fd#9 > [ 4688.524576] tty tty7: SAK: killed process 7063 (console-kit-dae): by fd#9 > [ 4688.524581] tty tty7: SAK: killed process 7064 (console-kit-dae): by fd#9 > [ 4688.524587] tty tty7: SAK: killed process 7065 (console-kit-dae): by fd#9 > [ 4688.524593] tty tty7: SAK: killed process 7066 (console-kit-dae): by fd#9 > [ 4688.524598] tty tty7: SAK: killed process 7067 (console-kit-dae): by fd#9 > [ 4688.524603] tty tty7: SAK: killed process 7068 (console-kit-dae): by fd#9 > [ 4688.524609] tty tty7: SAK: killed process 7069 (console-kit-dae): by fd#9 > [ 4688.524614] tty tty7: SAK: killed process 7070 (console-kit-dae): by fd#9 > [ 4688.524620] tty tty7: SAK: killed process 7071 (console-kit-dae): by fd#9 > [ 4688.524625] tty tty7: SAK: killed process 7072 (console-kit-dae): by fd#9 > [ 4688.524631] tty tty7: SAK: killed process 7073 (console-kit-dae): by fd#9 > [ 4688.524636] tty tty7: SAK: killed process 7074 (console-kit-dae): by fd#9 > [ 4688.524642] tty tty7: SAK: killed process 7075 (console-kit-dae): by fd#9 > [ 4688.524648] tty tty7: SAK: killed process 7076 (console-kit-dae): by fd#9 > [ 4688.524653] tty tty7: SAK: killed process 7077 (console-kit-dae): by fd#9 > [ 4688.524659] tty tty7: SAK: killed process 7078 (console-kit-dae): by fd#9 > [ 4688.524664] tty tty7: SAK: killed process 7079 (console-kit-dae): by fd#9 > [ 4688.524670] tty tty7: SAK: killed process 7083 (gmain): by fd#9 > [ 4688.524675] tty tty7: SAK: killed process 7085 (gdbus): by fd#9 > [ 4688.780517] wlan0: deauthenticating from 5c:f4:ab:10:d2:bb by local choice (Reason: 3=DEAUTH_LEAVING) > [ 4698.601308] traps: clock-applet[7813] trap int3 ip:b71e9fc0 sp:bf901050 error:0 in libglib-2.0.so.0.5000.3[b719d000+12a000] > [ 4698.676549] traps: mateweather-app[7814] trap int3 ip:b7260fc0 sp:bfcfb9d0 error:0 in libglib-2.0.so.0.5000.3[b7214000+12a000] > [ 4700.456620] wlan0: authenticate with 5c:f4:ab:10:d2:bb > [ 4700.456710] wlan0: send auth to 5c:f4:ab:10:d2:bb (try 1/3) > [ 4700.459606] wlan0: authenticated > [ 4700.460449] wlan0: associate with 5c:f4:ab:10:d2:bb (try 1/3) > [ 4700.463153] wlan0: RX AssocResp from 5c:f4:ab:10:d2:bb (capab=0x411 status=0 aid=2) > [ 4700.465007] wlan0: associated > > -- > (english) http://www.livejournal.com/~pavelmachek > (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html > [2 Digital signature <application/pgp-signature (7bit)>] >
