> > Hi folks. > I've been alerted to a couple of crashers, one with a stack retrace, and another with no retrace: > > <a href="https://errors.ubuntu.com/problem/303c6c40a7facabe59bfce5bc9e6dd0d72cf5fff">https://errors.ubuntu.com/problem/303c6c40a7facabe59bfce5bc9e6dd0d72cf5fff</a> > <a href="https://launchpad.net/bugs/1425447">https://launchpad.net/bugs/1425447</a> > > The bug on launchpad has a retrace. > > If any of these are already fixed post 6.0, which patches do I need to pull? If not, I'll file them in the bug tracker. > [ 27.447711] IP: [<ffffffff81258cf0>] proc_get_inode+0xd0/0x130 [ 27.447725] PGD 1c16067 PUD 1c18067 PMD d9054067 PTE 0 [ 27.447740] Oops: 0000 [#1] SMP [ 27.447750] Modules linked in: arc4 gpio_ich snd_hda_codec_idt snd_hda_codec_generic dell_wmi sparse_keymap b43 snd_hda_intel snd_hda_controller snd_hda_codec nouveau bcma r852 mac80211 snd_hwdep sm_common dell_laptop nand dcdbas snd_pcm joydev snd_seq_midi serio_raw snd_seq_midi_event snd_rawmidi nand_ecc snd_seq snd_seq_device nand_bch bch coretemp cfg80211 mxm_wmi nand_ids ttm drm_kms_helper mtd drm r592 snd_timer bnep i2c_algo_bit memstick lpc_ich snd soundcore mac_hid parport_pc ppdev wmi rfcomm shpchp video lp bluetooth parport binfmt_misc ahci psmouse libahci sdhci_pci firewire_ohci sdhci firewire_core pata_acpi crc_itu_t ssb sky2 [ 27.447931] CPU: 1 PID: 1239 Comm: nvidia-persiste Tainted: P OE 3.18.0-13-generic #14-Ubuntu [ 27.447939] Hardware name: Dell Inc. XPS M1530 / , BIOS A12 11/19/2008 [ 27.447946] task: ffff8800da5a9400 ti: ffff8800da62c000 task.ti: ffff8800da62c000 [ 27.447952] RIP: 0010:[<ffffffff81258cf0>] [<ffffffff81258cf0>] proc_get_inode+0xd0/0x130 [ 27.447964] RSP: 0018:ffff8800da62fc48 EFLAGS: 00010246 [ 27.447969] RAX: 0000000000008000 RBX: ffff8800d985a7d8 RCX: 0000000000000019 [ 27.447975] RDX: ffffffffc0debd40 RSI: 0000000000000001 RDI: ffff8800d985a7d8 [ 27.447982] RBP: ffff8800da62fc58 R08: 0000000000000000 R09: 0000000000000001 [ 27.447988] R10: ffff8800dafaf000 R11: 0000000000000000 R12: ffff8800d8592a80 [ 27.447994] R13: ffff8800d985af70 R14: 0000000000000006 R15: ffff8800da62fe28 [ 27.448001] FS: 00007f12c5867740(0000) GS:ffff88011fd00000(0000) knlGS:0000000000000000 [ 27.448008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.448013] CR2: ffffffffc0debd98 CR3: 00000000da4d5000 CR4: 00000000000007e0 [ 27.448019] Stack: [ 27.448022] ffff8800d8592a80 ffff8800dafaf000 ffff8800da62fc88 ffffffff8125e5b3 [ 27.448036] ffff8800dafaf000 0000000000008000 ffff8800da62fdc8 ffff8800d986f0c0 [ 27.448053] ffff8800da62fc98 ffffffff8125e62b ffff8800da62fcc8 ffffffff811fb61d [ 27.448066] Call Trace: [ 27.448074] [<ffffffff8125e5b3>] proc_lookup_de+0x83/0xe0 [ 27.448081] [<ffffffff8125e62b>] proc_lookup+0x1b/0x20 [ 27.448089] [<ffffffff811fb61d>] lookup_real+0x1d/0x70 [ 27.448096] [<ffffffff812002b1>] do_last+0x791/0x12c0 [ 27.448103] [<ffffffff811fe50e>] ? link_path_walk+0x23e/0xe60 [ 27.448111] [<ffffffff81310106>] ? security_file_alloc+0x16/0x20 [ 27.448119] [<ffffffff81201f28>] path_openat+0xb8/0x660 [ 27.448125] [<ffffffff81202d09>] ? putname+0x29/0x40 [ 27.448132] [<ffffffff81203c5a>] do_filp_open+0x3a/0xb0 [ 27.448139] [<ffffffff81210c87>] ? __alloc_fd+0xa7/0x130 [ 27.448147] [<ffffffff811f0f0a>] do_sys_open+0x12a/0x280 [ 27.448153] [<ffffffff811f107e>] SyS_open+0x1e/0x20 [ 27.448161] [<ffffffff817b20ed>] system_call_fastpath+0x16/0x1b [ 27.448167] Code: 2a 48 89 93 40 01 00 00 48 89 d8 5b 41 5c 5d c3 0f 1f 00 48 89 43 50 41 8b 74 24 08 85 f6 74 b8 48 89 df e8 13 51 fb ff eb ae 90 <48> 83 7a 58 00 48 c7 c0 40 69 83 81 48 c7 c2 40 68 83 81 48 0f [ 27.448291] RIP [<ffffffff81258cf0>] proc_get_inode+0xd0/0x130 [ 27.448300] RSP <ffff8800da62fc48> [ 27.448304] CR2: ffffffffc0debd98 Default sink name: auto_null Default source name: auto_null.monitor Aplay/Arecord output !!------------ APLAY aplay: device_list:268: no soundcards found... ARECORD arecord: device_list:268: no soundcards found... !!Amixer output !!------------- Seem something wrong with driver Device 2 alt analog capture only created in desktop For notebook auto mic selection , hda_generic.c no longer create alt analog capture device for notebook any more Node 0x08 [Audio Input] wcaps 0x1d0541: Stereo Device: name="STAC9228 Alt Analog", type="Audio", device=2 Converter: stream=0, channel=0 SDI-Select: 0 Power states: Power: setting=D0, actual=D0 Delay: 13 samples Connection: 1 0x1c