system/easy-kernel (4.4.39-mc6): kernel BUG at mm/uksm.c:3270!
Bugzilla ID | 29 |
Reporter | A. Wilcox (awilfox) |
Assignee | Horst Burkhardt (mc68030) |
Reported | 2017-02-07 15:41:20 -0600 |
Modified | 2018-01-09 01:10:04 -0600 |
Status | RESOLVED WONTFIX |
Version | 1.0-ALPHA2 |
Hardware | Adélie Linux / Intel x86 (64-bit) |
Importance | Highest / critical |
Description
When opening the K menu (Kickstart) on an x86_64 desktop, user reported that KWin became unresponsive. kwin_x11 is stuck in D state:
31805 (kwin_x11) D 1 31753 31753 0 -1 4211716 16953 118 0 0 515 1 0 0 1 0 5 0 175736221 2596745216 14478 18446744073709551615 4194304 4197788 140720387163200 140720387158336 140403442365787 0 0 0 17643 0 0 0 17 5 0 0 2 0 0 6298280 6299712 13369344 140720387168030 140720387168104 140720387168104 140720387170278 9
[] call_rwsem_down_read_failed+0x14/0x30
[] do_exit+0x16f/0xb40
[] do_group_exit+0x42/0xb0
[] get_signal+0x274/0x5f0
[] do_signal+0x32/0x690
[] exit_to_usermode_loop+0x70/0xa0
[] syscall_return_slowpath+0x4e/0x60
[] int_ret_from_sys_call+0x25/0x8f
[] 0xffffffffffffffff
dmesg shows:
[1855305.319161] ------------[ cut here ]------------
[1855305.319222] kernel BUG at mm/uksm.c:3270!
[1855305.319265] invalid opcode: 0000 [#1 (closed)] SMP
[1855305.319313] Modules linked in: nfsd(E) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E) sunrpc(E) snd_hda_codec_hdmi(E) i915(E) i2c_algo_bit(E) fbcon(E) bitblit(E) softcursor(E) font(E) tileblit(E) input_leds(E) led_class(E) drm_kms_helper(E) cfbfillrect(E) cfbimgblt(E) cfbcopyarea(E) drm(E) intel_gtt(E) agpgart(E) iwlwifi(E) cfg80211(E) syscopyarea(E) i2c_i801(E) sysfillrect(E) x86_pkg_temp_thermal(E) sysimgblt(E) fb_sys_fops(E) fb(E) video(E) fbdev(E) rfkill(E) pcspkr(E) r8169(E) usblp(E) i2c_core(E) backlight(E) thermal(E) battery(E) fan(E) tpm_tis(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) tpm(E) processor(E) snd_hda_intel(E) snd_hda_codec(E) snd_hwdep(E) snd_hda_core(E)
[1855305.320039] CPU: 0 PID: 1054 Comm: uksmd Tainted: G E 4.4.39-mc6-easy #1 (closed)
[1855305.320112] Hardware name: Dell Inc. XPS 8700/0KWVT8, BIOS A07 03/13/2014
[1855305.320178] task: ffff88040cbb2d00 ti: ffff88040d1fc000 task.ti: ffff88040d1fc000
[1855305.320248] RIP: 0010:[] [] scan_vma_one_page+0xb0e/0x14d0
[1855305.320341] RSP: 0018:ffff88040d1ffcf0 EFLAGS: 00010206
[1855305.320393] RAX: 0000000000000001 RBX: ffff8803cc945f28 RCX: 0000000060100000
[1855305.320460] RDX: 00007f00d0396001 RSI: 00000000ede8b78f RDI: ffff8800ce177540
[1855305.320527] RBP: ffff88040d1ffd68 R08: 0000000030a4f357 R09: 0000000030a4f340
[1855305.320594] R10: 00000000ec390a2b R11: 00007f00d0396000 R12: 000000000000027a
[1855305.320660] R13: ffff8803e9fdfe80 R14: ffff8800ce177480 R15: 0000000000000000
[1855305.320728] FS: 0000000000000000(0000) GS:ffff88041fa00000(0000) knlGS:0000000000000000
[1855305.320803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1855305.320859] CR2: 00000000026be008 CR3: 00000003fa270000 CR4: 00000000001406f0
[1855305.320926] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[1855305.320993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[1855305.321058] Stack:
[1855305.321081] ffff88040cb9fa80 ffff88040d1ffd08 ffffffff8101f769 ffff88040d1ffd28
[1855305.321163] 00007fb1e1536000 000000000004f5d0 00000000000001f7 000000000003efe5
[1855305.321244] ffffffff00000000 00000000dadb0a8b 0000000000000064 ffffffff81eb6b80
[1855305.321325] Call Trace:
[1855305.321361] [] ? sched_clock+0x9/0x10
[1855305.321415] [] uksm_do_scan+0x157/0x2e40
[1855305.321475] [] ? del_timer_sync+0x43/0x50
[1855305.321535] [] ? schedule_timeout+0x126/0x270
[1855305.321596] [] uksm_scan_thread+0x157/0x1a0
[1855305.321653] [] ? uksm_do_scan+0x2e40/0x2e40
[1855305.321710] [] ? uksm_do_scan+0x2e40/0x2e40
[1855305.321769] [] kthread+0xd3/0xf0
[1855305.321818] [] ? kthread_worker_fn+0x170/0x170
[1855305.321880] [] ret_from_fork+0x3f/0x70
[1855305.321933] [] ? kthread_worker_fn+0x170/0x170
[1855305.321990] Code: ff 85 c0 0f 85 3c ff ff ff 49 c1 ec 09 4d 39 66 68 0f 86 e6 05 00 00 49 8b 46 58 4a 83 3c e0 00 0f 85 1f ff ff ff e9 bc fb ff ff <0f> 0b 4c 89 cf 4c 89 5d a0 4c 89 4d a8 e8 00 ac ff ff 48 85 c0
[1855305.322361] RIP [] scan_vma_one_page+0xb0e/0x14d0
[1855305.322427] RSP
[1855305.345452] ---[ end trace 1ef484938f1951e8 ]---
/proc/cpuinfo (*8):
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 60
model name : Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
stepping : 3
microcode : 0x9
cpu MHz : 896.218
cache size : 8192 KB
physical id : 0
siblings : 8
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm xsaveopt
bugs :
bogomips : 6786.51
clflush size : 64
cache_alignment : 64
address sizes : 39 bits physical, 48 bits virtual
power management:
/proc/meminfo:
MemTotal: 16350528 kB
MemFree: 14265456 kB
MemAvailable: 15895096 kB
Buffers: 231012 kB
Cached: 1380876 kB
SwapCached: 0 kB
Active: 795760 kB
Inactive: 838064 kB
Active(anon): 22440 kB
Inactive(anon): 840 kB
Active(file): 773320 kB
Inactive(file): 837224 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 21932 kB
Mapped: 62480 kB
Shmem: 1348 kB
Slab: 324512 kB
SReclaimable: 272488 kB
SUnreclaim: 52024 kB
KernelStack: 2928 kB
PageTables: 2372 kB
KsmZeroPages: 17577924 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 8175264 kB
Committed_AS: 61396 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 0 kB
VmallocChunk: 0 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 20068 kB
DirectMap2M: 1992704 kB
DirectMap1G: 15728640 kB