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SubjectRe: kernel BUG at drivers/scsi/scsi_error.c:197! - git 4.17.0-x64-08428-g7d3bf613e99a
Date
On Sat, 2018-06-09 at 08:02 -0700, Randy Dunlap wrote:
> On 06/09/2018 06:06 AM, Andrew Randrianasulu wrote:
> > Hello, everyone!
> >
> > I was trying to test not-yet-completed 4.18-rc1, and run into this bug, probably
> > due to HAL (yes, I still use this) trying to poll empty DVD-RW drive:
> >
> > [ 35.040167] ------------[ cut here ]------------
> > [ 35.040171] kernel BUG at drivers/scsi/scsi_error.c:197!
> > [ 35.040196] invalid opcode: 0000 [#1] SMP NOPTI
> > [ 35.040210] CPU: 2 PID: 117 Comm: kworker/2:1H Not tainted
> > 4.17.0-x64-08428-g7d3bf613e99a-dirty #18
> > [ 35.040225] Hardware name: MSI MS-7693/970A-G46 (MS-7693), BIOS V2.8
> > 01/08/2016
> > [ 35.040244] Workqueue: kblockd blk_mq_timeout_work
> > [ 35.040283] RIP: 0010:scsi_times_out+0xe9/0x1a6 [scsi_mod]
> > [ 35.040287] Code: 03 76 18 48 c7 c2 f9 c2 01 a0 48 89 ee 48 c7 c7 14 be 01 a0
> > 31 c0 e8 76 ad 00 00 48 8b 83 98 01 00 00 a8 01 0f 84 a5 00 00 00 <0f> 0b 49 8b
> > 7c 24 38 e8 8f ba 4b e1 41 83 bc 24 2c 01
> > 00 00 ff 74
> > [ 35.040312] RSP: 0018:ffffc90000293d98 EFLAGS: 00010202
> > [ 35.040318] RAX: ffff88031f240605 RBX: ffff88031eed8500 RCX: 00000000fffefd40
> > [ 35.040323] RDX: ffffc90000293e80 RSI: 0000000000002007 RDI: ffff88031eed8638
> > [ 35.040327] RBP: ffff88031eed8638 R08: ffff88031eed85d8 R09: 0000000000000000
> > [ 35.040332] R10: 0000000000000040 R11: fefefefefefefeff R12: ffff88031f2a8800
> > [ 35.040336] R13: ffff88031f2a8800 R14: ffff88031f29e910 R15: 0000000000000001
> > [ 35.040341] FS: 0000000000000000(0000) GS:ffff88032ed00000(0000)
> > knlGS:0000000000000000
> > [ 35.040346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [ 35.040350] CR2: 00000000f7ea83c0 CR3: 000000031e194000 CR4: 00000000000406e0
> > [ 35.040354] Call Trace:
> > [ 35.040360] blk_mq_check_expired+0xdc/0x10c
> > [ 35.040365] bt_iter+0x42/0x45
> > [ 35.040369] __sbitmap_for_each_set.constprop.12+0x83/0xac
> > [ 35.040374] ? blk_mq_update_nr_requests+0xad/0xad
> > [ 35.040595] ? blk_mq_exit_hctx+0xda/0xda
> > [ 35.041595] blk_mq_queue_tag_busy_iter+0xa3/0xb4
> > [ 35.042578] ? blk_mq_exit_hctx+0xda/0xda
> > [ 35.043550] blk_mq_timeout_work+0x6b/0xca
> > [ 35.044505] process_one_work+0x17c/0x2a6
> > [ 35.045445] worker_thread+0x19f/0x243
> > [ 35.046393] ? rescuer_thread+0x262/0x262
> > [ 35.047346] kthread+0x100/0x108
> > [ 35.048290] ? kthread_destroy_worker+0x3e/0x3e
> > [ 35.049242] ret_from_fork+0x27/0x50
> > [ 35.050192] Modules linked in: bridge stp llc bnep rfcomm hidp snd_aloop ipv6
> > pcmcia pcmcia_core xfs libcrc32c lp parport f71882fg input_leds mousedev
> > hid_generic usbhid hid btusb btintel btbcm btrtl bluetooth nouveau ecdh_generic
> > rfkill morus1280_sse2 morus1280_glue morus640_sse2 morus640_glue ttm
> > drm_kms_helper ghash_clmulni_intel drm crct10dif_pclmul crc32_pclmul
> > drm_panel_orientation_quirks crc32c_intel aegis256_aesni cfbcopyarea
> > fb_sys_fops sysimgblt pcbc sysfillrect cfbimgblt syscopyarea cfbfillrect
> > aesni_intel glue_helper i2c_algo_bit crypto_simd aes_x86_64 ohci_pci
> > snd_hda_codec_realtek aegis128l_aesni pktcdvd aegis128_aesni agpgart ohci_hcd
> > snd_hda_codec_generic cryptd xhci_pci kvm_amd xhci_hcd ehci_pci snd_hda_intel
> > ehci_hcd snd_hda_codec kvm usbcore led_class snd_hda_core video usb_common
> > [ 35.055814] backlight irqbypass fb snd_hwdep snd_pcm mxm_wmi r8169 fbdev
> > mac_hid fam15h_power k10temp mii snd_timer ccp evdev snd rng_core hwmon wmi
> > i2c_piix4 sha1_generic sha256_generic button soundcore font sr_mod acpi_cpufreq
> > rtc_cmos sg i2c_core cdrom edac_mce_amd sd_mod ahci libahci libata scsi_mod
> > [last unloaded: pcmcia_core]
> > [ 35.058426] ---[ end trace fdc9e8c678138a75 ]---
> > [ 35.059725] RIP: 0010:scsi_times_out+0xe9/0x1a6 [scsi_mod]
> > [ 35.059726] Code: 03 76 18 48 c7 c2 f9 c2 01 a0 48 89 ee 48 c7 c7 14 be 01 a0
> > 31 c0 e8 76 ad 00 00 48 8b 83 98 01 00 00 a8 01 0f 84 a5 00 00 00 <0f> 0b 49 8b
> > 7c 24 38 e8 8f ba 4b e1 41 83 bc 24 2c 01 00 00 ff 74
> > [ 35.063794] RSP: 0018:ffffc90000293d98 EFLAGS: 00010202
> > [ 35.063796] RAX: ffff88031f240605 RBX: ffff88031eed8500 RCX: 00000000fffefd40
> > [ 35.063797] RDX: ffffc90000293e80 RSI: 0000000000002007 RDI: ffff88031eed8638
> > [ 35.063798] RBP: ffff88031eed8638 R08: ffff88031eed85d8 R09: 0000000000000000
> > [ 35.069198] R10: 0000000000000040 R11: fefefefefefefeff R12: ffff88031f2a8800
> > [ 35.069198] R13: ffff88031f2a8800 R14: ffff88031f29e910 R15: 0000000000000001
> > [ 35.069200] FS: 0000000000000000(0000) GS:ffff88032ed00000(0000)
> > knlGS:0000000000000000
> > [ 35.073191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [ 35.073192] CR2: 00000000f7ea83c0 CR3: 000000031e194000 CR4: 00000000000406e0
> >
> >
> > and this resulted later on in failure to enter suspend-to-ram:
> >
> > [ 181.912985] PM: suspend entry (deep)
> > [ 181.912993] PM: Syncing filesystems ... done.
> > [ 182.026561] Freezing user space processes ...
> > [ 202.029084] Freezing of tasks failed after 20.002 seconds (1 tasks refusing
> > to freeze, wq_busy=0):
> > [ 202.029106] hald-addon-stor D 0 909 849 0x20020004
> > [ 202.029113] Call Trace:
> > [ 202.029128] ? __schedule+0x37f/0x57f
> > [ 202.029134] ? usleep_range+0x51/0x51
> > [ 202.029139] schedule+0x7f/0x89
> > [ 202.029144] schedule_timeout+0x21/0xc7
> > [ 202.029151] ? check_preempt_curr+0x2e/0x68
> > [ 202.029157] do_wait_for_common+0x102/0x133
> > [ 202.029163] ? wake_up_q+0x47/0x47
> > [ 202.029169] wait_for_common+0x36/0x4e
> > [ 202.029174] flush_work+0x12e/0x14b
> > [ 202.029179] ? wake_up_worker+0x25/0x25
> > [ 202.029185] __cancel_work_timer+0xfb/0x14f
> > [ 202.029190] ? kobj_lookup+0xfc/0x130
> > [ 202.029196] disk_block_events+0x5f/0x78
> > [ 202.029202] __blkdev_get+0xaa/0x3f7
> > [ 202.029207] blkdev_get+0x83/0x2a3
> > [ 202.029211] ? bdgrab+0x12/0x17
> > [ 202.029216] ? bd_acquire+0x3a/0xad
> > [ 202.029220] ? bd_acquire+0xad/0xad
> > [ 202.029226] do_dentry_open.isra.22+0x16b/0x22d
> > [ 202.029232] path_openat+0x98f/0xb27
> > [ 202.029238] ? _raw_spin_unlock_irqrestore+0x18/0x23
> > [ 202.029243] do_filp_open+0x4d/0xa3
> > [ 202.029249] ? __blkdev_put+0x154/0x170
> > [ 202.029254] ? _cond_resched+0x25/0x29
> > [ 202.029260] ? slab_pre_alloc_hook+0x2d/0x53
> > [ 202.029265] ? slab_post_alloc_hook.isra.62+0xa/0x1a
> > [ 202.029270] ? kmem_cache_alloc+0xa0/0x10b
> > [ 202.029277] ? do_sys_open+0x6a/0xef
> > [ 202.029281] do_sys_open+0x6a/0xef
> > [ 202.029287] do_int80_syscall_32+0x52/0x5f
> > [ 202.029293] entry_INT80_compat+0x85/0x90
> > [ 202.029316] OOM killer enabled.
> > [ 202.029318] Restarting tasks ... done.
> > [ 202.035210] PM: suspend exit
> >
> > full dmesg attached
>
> [add linux-scsi m-l]

(added linux-block)

Is this something that happens systematically or sporadically? Additionally,
have you verified whether or not this can be triggered with kernel v4.17? I'm
wondering whether or not this is a regression that was introduced in the merge
window.

Thanks,

Bart.


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