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Message #39880
[Bug 1206405] Re: network-manager using 70%+ CPU on Nexus 4
saucy has seen the end of its life and is no longer receiving any
updates. Marking the saucy task for this ticket as "Won't Fix".
** Changed in: network-manager (Ubuntu Saucy)
Status: New => Won't Fix
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https://bugs.launchpad.net/bugs/1206405
Title:
network-manager using 70%+ CPU on Nexus 4
Status in Touch Preview Images:
Incomplete
Status in network-manager package in Ubuntu:
New
Status in network-manager source package in Saucy:
Won't Fix
Bug description:
This morning after moving around between multiple buildings / wireless
domains, NM is now using 70%+ CPU on my Nexus 4 (mako). I noticed
this because the UI was being very slow to respond.
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
958 root 20 0 104m 71m 4380 R 99.4 3.8 703:52.27 NetworkManager
strace doesn't show much interesting, so most of the CPU time seems to
be spent in userspace.
# strace -ff -p 958
Process 958 attached with 4 threads
[pid 1230] restart_syscall(<... resuming interrupted call ...> <unfinished ...>
[pid 1065] restart_syscall(<... resuming interrupted call ...> <unfinished ...>
[pid 960] rt_sigtimedwait([HUP INT TERM], NULL, NULL, 8 <unfinished ...>
[pid 958] gettimeofday({69007, 423546}, NULL) = 0
[pid 958] gettimeofday({69007, 423759}, NULL) = 0
[pid 958] gettimeofday({69007, 424004}, NULL) = 0
[pid 958] gettimeofday({69007, 424217}, NULL) = 0
[pid 958] gettimeofday({69007, 424492}, NULL) = 0
[pid 958] gettimeofday({69007, 424706}, NULL) = 0
[pid 958] gettimeofday({69007, 424919}, NULL) = 0
[pid 958] gettimeofday({69007, 425133}, NULL) = 0
[pid 958] gettimeofday({69007, 425407}, NULL) = 0
[pid 958] gettimeofday({69007, 425591}, NULL) = 0
[pid 958] gettimeofday({69007, 425804}, NULL) = 0
[pid 958] gettimeofday({69007, 426018}, NULL) = 0
[pid 958] gettimeofday({69007, 426293}, NULL) = 0
[pid 958] gettimeofday({69007, 426476}, NULL) = 0
[pid 958] gettimeofday({69007, 426720}, NULL) = 0
[pid 958] gettimeofday({69007, 426934}, NULL) = 0
[pid 958] gettimeofday({69007, 427178}, NULL) = 0
[pid 958] gettimeofday({69007, 427391}, NULL) = 0
[pid 958] gettimeofday({69007, 427635}, NULL) = 0
[pid 958] gettimeofday({69007, 427819}, NULL) = 0
[pid 958] gettimeofday({69007, 428124}, NULL) = 0
[pid 958] gettimeofday({69007, 428368}, NULL) = 0
[pid 958] gettimeofday({69007, 428612}, NULL) = 0
[pid 958] gettimeofday({69007, 428887}, NULL) = 0
[pid 958] gettimeofday({69007, 429131}, NULL) = 0
[pid 958] gettimeofday({69007, 429375}, NULL) = 0
[pid 958] gettimeofday({69007, 429650}, NULL) = 0
[pid 958] gettimeofday({69007, 429863}, NULL) = 0
[pid 958] gettimeofday({69007, 430138}, NULL) = 0
[pid 958] gettimeofday({69007, 430443}, NULL) = 0
[pid 958] gettimeofday({69007, 430657}, NULL) = 0
[pid 958] gettimeofday({69007, 430901}, NULL) = 0
[pid 958] gettimeofday({69007, 431206}, NULL) = 0
[pid 958] gettimeofday({69007, 431451}, NULL) = 0
[pid 958] gettimeofday({69007, 431664}, NULL) = 0
[pid 958] gettimeofday({69007, 431939}, NULL) = 0
[pid 958] gettimeofday({69007, 432214}, NULL) = 0
[pid 958] gettimeofday({69007, 432458}, NULL) = 0
[pid 958] gettimeofday({69007, 432702}, NULL) = 0
[pid 958] gettimeofday({69007, 433007}, NULL) = 0
[pid 958] gettimeofday({69007, 433221}, NULL) = 0
[pid 958] gettimeofday({69007, 433465}, NULL) = 0
[pid 958] gettimeofday({69007, 433740}, NULL) = 0
[pid 958] gettimeofday({69007, 433984}, NULL) = 0
[pid 958] gettimeofday({69007, 434228}, NULL) = 0
[pid 958] gettimeofday({69007, 434503}, NULL) = 0
[pid 958] gettimeofday({69007, 434747}, NULL) = 0
[pid 958] gettimeofday({69007, 434991}, NULL) = 0
[pid 958] gettimeofday({69007, 435266}, NULL) = 0
[pid 958] gettimeofday({69007, 435479}, NULL) = 0
[pid 958] gettimeofday({69007, 435754}, NULL) = 0
[pid 958] gettimeofday({69007, 436029}, NULL) = 0
[pid 958] gettimeofday({69007, 436273}, NULL) = 0
[pid 958] gettimeofday({69007, 436517}, NULL) = 0
[pid 958] gettimeofday({69007, 436792}, NULL) = 0
[pid 958] gettimeofday({69007, 437036}, NULL) = 0
[pid 958] gettimeofday({69007, 437280}, NULL) = 0
[pid 958] gettimeofday({69007, 437555}, NULL) = 0
[pid 958] gettimeofday({69007, 437799}, NULL) = 0
[pid 958] gettimeofday({69007, 438043}, NULL) = 0
[pid 958] gettimeofday({69007, 438318}, NULL) = 0
[pid 958] gettimeofday({69007, 438562}, NULL) = 0
[pid 958] gettimeofday({69007, 438867}, NULL) = 0
[pid 958] gettimeofday({69007, 439081}, NULL) = 0
[pid 958] gettimeofday({69007, 439325}, NULL) = 0
[pid 958] gettimeofday({69007, 439630}, NULL) = 0
[pid 958] gettimeofday({69007, 439844}, NULL) = 0
[pid 958] gettimeofday({69007, 440118}, NULL) = 0
[pid 958] gettimeofday({69007, 440393}, NULL) = 0
[pid 958] gettimeofday({69007, 440607}, NULL) = 0
[pid 958] gettimeofday({69007, 440881}, NULL) = 0
[pid 958] gettimeofday({69007, 441156}, NULL) = 0
[pid 958] gettimeofday({69007, 441400}, NULL) = 0
[pid 958] gettimeofday({69007, 442072}, NULL) = 0
[pid 958] gettimeofday({69007, 442316}, NULL) = 0
[pid 958] gettimeofday({69007, 442560}, NULL) = 0
[pid 958] gettimeofday({69007, 442835}, NULL) = 0
[pid 958] gettimeofday({69007, 443109}, NULL) = 0
[pid 958] gettimeofday({69007, 443323}, NULL) = 0
[pid 958] gettimeofday({69007, 443628}, NULL) = 0
[pid 958] gettimeofday({69007, 443872}, NULL) = 0
[pid 958] gettimeofday({69007, 444178}, NULL) = 0
[pid 958] gettimeofday({69007, 444391}, NULL) = 0
[pid 958] gettimeofday({69007, 444635}, NULL) = 0
[pid 958] gettimeofday({69007, 444941}, NULL) = 0
[pid 958] gettimeofday({69007, 445154}, NULL) = 0
[pid 958] gettimeofday({69007, 445398}, NULL) = 0
[pid 958] gettimeofday({69007, 445704}, NULL) = 0
[pid 958] gettimeofday({69007, 445917}, NULL) = 0
[pid 958] gettimeofday({69007, 446161}, NULL) = 0
[pid 958] gettimeofday({69007, 446467}, NULL) = 0
[pid 958] gettimeofday({69007, 446680}, NULL) = 0
[pid 958] gettimeofday({69007, 446924}, NULL) = 0
[pid 958] gettimeofday({69007, 447230}, NULL) = 0
[pid 958] gettimeofday({69007, 447474}, NULL) = 0
[pid 958] gettimeofday({69007, 447687}, NULL) = 0
[pid 958] gettimeofday({69007, 447993}, NULL) = 0
[pid 958] gettimeofday({69007, 448237}, NULL) = 0
[pid 958] gettimeofday({69007, 448450}, NULL) = 0
[pid 958] gettimeofday({69007, 448756}, NULL) = 0
[pid 958] gettimeofday({69007, 449000}, NULL) = 0
[pid 958] gettimeofday({69007, 449244}, NULL) = 0
[pid 958] gettimeofday({69007, 449519}, NULL) = 0
[pid 958] gettimeofday({69007, 449763}, NULL) = 0
[pid 958] gettimeofday({69007, 450007}, NULL) = 0
[pid 958] gettimeofday({69007, 450282}, NULL) = 0
[pid 958] gettimeofday({69007, 450495}, NULL) = 0
[pid 958] gettimeofday({69007, 450739}, NULL) = 0
[pid 958] gettimeofday({69007, 451014}, NULL) = 0
[pid 958] gettimeofday({69007, 451228}, NULL) = 0
[pid 958] gettimeofday({69007, 451502}, NULL) = 0
[pid 958] gettimeofday({69007, 451747}, NULL) = 0
[pid 958] gettimeofday({69007, 451960}, NULL) = 0
[pid 958] gettimeofday({69007, 452754}, NULL) = 0
[pid 958] gettimeofday({69007, 452998}, NULL) = 0
[pid 958] gettimeofday({69007, 453242}, NULL) = 0
[pid 958] gettimeofday({69007, 453456}, NULL) = 0
[pid 958] gettimeofday({69007, 453700}, NULL) = 0
[pid 958] gettimeofday({69007, 453975}, NULL) = 0
[pid 958] gettimeofday({69007, 454188}, NULL) = 0
[pid 958] gettimeofday({69007, 454463}, NULL) = 0
[pid 958] gettimeofday({69007, 454707}, NULL) = 0
[pid 958] gettimeofday({69007, 454921}, NULL) = 0
[pid 958] gettimeofday({69007, 455165}, NULL) = 0
[pid 958] gettimeofday({69007, 455440}, NULL) = 0
[pid 958] gettimeofday({69007, 455653}, NULL) = 0
[pid 958] gettimeofday({69007, 455897}, NULL) = 0
[pid 958] gettimeofday({69007, 456172}, NULL) = 0
[pid 958] gettimeofday({69007, 456386}, NULL) = 0
[pid 958] gettimeofday({69007, 456630}, NULL) = 0
[pid 958] gettimeofday({69007, 456905}, NULL) = 0
[pid 958] gettimeofday({69007, 457118}, NULL) = 0
[pid 958] gettimeofday({69007, 457362}, NULL) = 0
[pid 958] gettimeofday({69007, 457637}, NULL) = 0
[pid 958] gettimeofday({69007, 457881}, NULL) = 0
[pid 958] gettimeofday({69007, 458125}, NULL) = 0
[pid 958] gettimeofday({69007, 458339}, NULL) = 0
[pid 958] gettimeofday({69007, 458583}, NULL) = 0
[pid 958] gettimeofday({69007, 458858}, NULL) = 0
[pid 958] gettimeofday({69007, 459071}, NULL) = 0
[pid 958] gettimeofday({69007, 459316}, NULL) = 0
[pid 958] gettimeofday({69007, 459590}, NULL) = 0
[pid 958] gettimeofday({69007, 459804}, NULL) = 0
[pid 958] gettimeofday({69007, 460018}, NULL) = 0
[pid 958] gettimeofday({69007, 460231}, NULL) = 0
[pid 958] gettimeofday({69007, 460506}, NULL) = 0
[pid 958] gettimeofday({69007, 460720}, NULL) = 0
[pid 958] gettimeofday({69007, 460964}, NULL) = 0
[pid 958] gettimeofday({69007, 461238}, NULL) = 0
[pid 958] gettimeofday({69007, 461483}, NULL) = 0
[pid 958] gettimeofday({69007, 461727}, NULL) = 0
[pid 958] gettimeofday({69007, 461971}, NULL) = 0
[pid 958] gettimeofday({69007, 462185}, NULL) = 0
[pid 958] gettimeofday({69007, 462429}, NULL) = 0
[pid 958] gettimeofday({69007, 462703}, NULL) = 0
[pid 958] gettimeofday({69007, 462917}, NULL) = 0
[pid 958] gettimeofday({69007, 463161}, NULL) = 0
[pid 958] gettimeofday({69007, 463436}, NULL) = 0
[pid 958] gettimeofday({69007, 463619}, NULL) = 0
[pid 958] gettimeofday({69007, 463863}, NULL) = 0
[pid 958] gettimeofday({69007, 464138}, NULL) = 0
[pid 958] gettimeofday({69007, 464351}, NULL) = 0
[pid 958] gettimeofday({69007, 464596}, NULL) = 0
[pid 958] gettimeofday({69007, 464870}, NULL) = 0
[pid 958] gettimeofday({69007, 465053}, NULL) = 0
[pid 958] gettimeofday({69007, 465298}, NULL) = 0
[pid 958] gettimeofday({69007, 465572}, NULL) = 0
[pid 958] gettimeofday({69007, 465786}, NULL) = 0
[pid 958] gettimeofday({69007, 466030}, NULL) = 0
[pid 958] gettimeofday({69007, 466305}, NULL) = 0
[pid 958] gettimeofday({69007, 466488}, NULL) = 0
[pid 958] gettimeofday({69007, 466732}, NULL) = 0
[pid 958] gettimeofday({69007, 467007}, NULL) = 0
[pid 958] gettimeofday({69007, 467220}, NULL) = 0
[pid 958] gettimeofday({69007, 467465}, NULL) = 0
[pid 958] gettimeofday({69007, 467739}, NULL) = 0
[pid 958] gettimeofday({69007, 467922}, NULL) = 0
[pid 958] gettimeofday({69007, 468197}, NULL) = 0
[pid 958] gettimeofday({69007, 468441}, NULL) = 0
[pid 958] gettimeofday({69007, 468655}, NULL) = 0
[pid 958] gettimeofday({69007, 468899}, NULL) = 0
[pid 958] gettimeofday({69007, 469174}, NULL) = 0
[pid 958] gettimeofday({69007, 469357}, NULL) = 0
[pid 958] gettimeofday({69007, 469632}, NULL) = 0
[pid 958] gettimeofday({69007, 469876}, NULL) = 0
[pid 958] gettimeofday({69007, 470089}, NULL) = 0
[pid 958] gettimeofday({69007, 470303}, NULL) = 0
[pid 958] gettimeofday({69007, 470547}, NULL) = 0
[pid 958] gettimeofday({69007, 470791}, NULL) = 0
[pid 958] gettimeofday({69007, 471035}, NULL) = 0
[pid 958] gettimeofday({69007, 471249}, NULL) = 0
[pid 958] gettimeofday({69007, 471554}, NULL) = 0
[pid 958] gettimeofday({69007, 471768}, NULL) = 0
[pid 958] gettimeofday({69007, 471982}, NULL) = 0
[pid 958] gettimeofday({69007, 472256}, NULL) = 0
[pid 958] gettimeofday({69007, 472470}, NULL) = 0
[pid 958] gettimeofday({69007, 472714}, NULL) = 0
[pid 958] gettimeofday({69007, 472989}, NULL) = 0
[pid 958] gettimeofday({69007, 473172}, NULL) = 0
[pid 958] gettimeofday({69007, 473447}, NULL) = 0
[pid 958] gettimeofday({69007, 473721}, NULL) = 0
[pid 958] gettimeofday({69007, 473904}, NULL) = 0
[pid 958] gettimeofday({69007, 474149}, NULL) = 0
[pid 958] gettimeofday({69007, 474362}, NULL) = 0
[pid 958] gettimeofday({69007, 474637}, NULL) = 0
[pid 958] gettimeofday({69007, 474881}, NULL) = 0
[pid 958] gettimeofday({69007, 475095}, NULL) = 0
[pid 958] gettimeofday({69007, 475369}, NULL) = 0
[pid 958] gettimeofday({69007, 475614}, NULL) = 0
[pid 958] gettimeofday({69007, 475827}, NULL) = 0
[pid 958] gettimeofday({69007, 476071}, NULL) = 0
[pid 958] gettimeofday({69007, 476315}, NULL) = 0
[pid 958] gettimeofday({69007, 476529}, NULL) = 0
[pid 958] gettimeofday({69007, 476743}, NULL) = 0
[pid 958] gettimeofday({69007, 477017}, NULL) = 0
[pid 958] gettimeofday({69007, 477262}, NULL) = 0
[pid 958] gettimeofday({69007, 477536}, NULL) = 0
[pid 958] gettimeofday({69007, 477719}, NULL) = 0
[pid 958] gettimeofday({69007, 477994}, NULL) = 0
[pid 958] gettimeofday({69007, 478269}, NULL) = 0
[pid 958] gettimeofday({69007, 478452}, NULL) = 0
[pid 958] gettimeofday({69007, 478696}, NULL) = 0
[pid 958] gettimeofday({69007, 478910}, NULL) = 0
[pid 958] gettimeofday({69007, 479184}, NULL) = 0
[pid 958] gettimeofday({69007, 479398}, NULL) = 0
[pid 958] gettimeofday({69007, 479612}, NULL) = 0
[pid 958] gettimeofday({69007, 479856}, NULL) = 0
[pid 958] gettimeofday({69007, 480131}, NULL) = 0
[pid 958] gettimeofday({69007, 480344}, NULL) = 0
[pid 958] gettimeofday({69007, 480588}, NULL) = 0
[pid 958] gettimeofday({69007, 480863}, NULL) = 0
[pid 958] gettimeofday({69007, 481077}, NULL) = 0
[pid 958] gettimeofday({69007, 481321}, NULL) = 0
[pid 958] gettimeofday({69007, 481596}, NULL) = 0
[pid 958] gettimeofday({69007, 481840}, NULL) = 0
[pid 958] gettimeofday({69007, 482053}, NULL) = 0
[pid 958] gettimeofday({69007, 482328}, NULL) = 0
[pid 958] gettimeofday({69007, 482511}, NULL) = 0
[pid 958] gettimeofday({69007, 482755}, NULL) = 0
[pid 958] gettimeofday({69007, 482969}, NULL) = 0
[pid 958] gettimeofday({69007, 483244}, NULL) = 0
[pid 958] gettimeofday({69007, 483457}, NULL) = 0
[pid 958] gettimeofday({69007, 483701}, NULL) = 0
[pid 958] gettimeofday({69007, 483976}, NULL) = 0
[pid 958] gettimeofday({69007, 484190}, NULL) = 0
[pid 958] gettimeofday({69007, 484434}, NULL) = 0
[pid 958] gettimeofday({69007, 484709}, NULL) = 0
[pid 958] gettimeofday({69007, 484892}, NULL) = 0
[pid 958] gettimeofday({69007, 485166}, NULL) = 0
[pid 958] gettimeofday({69007, 485380}, NULL) = 0
[pid 958] gettimeofday({69007, 485624}, NULL) = 0
[pid 958] gettimeofday({69007, 485868}, NULL) = 0
[pid 958] gettimeofday({69007, 486113}, NULL) = 0
[pid 958] gettimeofday({69007, 486357}, NULL) = 0
[pid 958] gettimeofday({69007, 486570}, NULL) = 0
[pid 958] gettimeofday({69007, 486814}, NULL) = 0
[pid 958] gettimeofday({69007, 487059}, NULL) = 0
[pid 958] gettimeofday({69007, 487303}, NULL) = 0
[pid 958] gettimeofday({69007, 487516}, NULL) = 0
[pid 958] gettimeofday({69007, 487791}, NULL) = 0
[pid 958] gettimeofday({69007, 488035}, NULL) = 0
[pid 958] gettimeofday({69007, 488249}, NULL) = 0
[pid 958] gettimeofday({69007, 488524}, NULL) = 0
[pid 958] gettimeofday({69007, 488737}, NULL) = 0
[pid 958] gettimeofday({69007, 488981}, NULL) = 0
[pid 958] gettimeofday({69007, 489256}, NULL) = 0
[pid 958] gettimeofday({69007, 489470}, NULL) = 0
[pid 958] gettimeofday({69007, 489714}, NULL) = 0
[pid 958] gettimeofday({69007, 489989}, NULL) = 0
[pid 958] gettimeofday({69007, 490172}, NULL) = 0
[pid 958] gettimeofday({69007, 490446}, NULL) = 0
[pid 958] gettimeofday({69007, 490721}, NULL) = 0
[pid 958] gettimeofday({69007, 490904}, NULL) = 0
[pid 958] gettimeofday({69007, 491148}, NULL) = 0
[pid 958] gettimeofday({69007, 492552}, NULL) = 0
[pid 958] gettimeofday({69007, 492766}, NULL) = 0
[pid 958] gettimeofday({69007, 493041}, NULL) = 0
[pid 958] gettimeofday({69007, 493315}, NULL) = 0
[pid 958] gettimeofday({69007, 493498}, NULL) = 0
[pid 958] gettimeofday({69007, 493743}, NULL) = 0
[pid 958] gettimeofday({69007, 494017}, NULL) = 0
[pid 958] gettimeofday({69007, 494231}, NULL) = 0
[pid 958] gettimeofday({69007, 494445}, NULL) = 0
[pid 958] gettimeofday({69007, 494689}, NULL) = 0
[pid 958] gettimeofday({69007, 494933}, NULL) = 0
[pid 958] gettimeofday({69007, 495177}, NULL) = 0
[pid 958] gettimeofday({69007, 495391}, NULL) = 0
[pid 958] gettimeofday({69007, 495665}, NULL) = 0
[pid 958] gettimeofday({69007, 495879}, NULL) = 0
[pid 958] gettimeofday({69007, 496123}, NULL) = 0
[pid 958] gettimeofday({69007, 496398}, NULL) = 0
[pid 958] gettimeofday({69007, 496612}, NULL) = 0
[pid 958] gettimeofday({69007, 496856}, NULL) = 0
[pid 958] gettimeofday({69007, 497130}, NULL) = 0
[pid 958] gettimeofday({69007, 497313}, NULL) = 0
[pid 958] gettimeofday({69007, 497558}, NULL) = 0
[pid 958] gettimeofday({69007, 497832}, NULL) = 0
[pid 958] gettimeofday({69007, 498046}, NULL) = 0
[pid 958] gettimeofday({69007, 498290}, NULL) = 0
[pid 958] gettimeofday({69007, 498565}, NULL) = 0
[pid 958] gettimeofday({69007, 498748}, NULL) = 0
[pid 958] gettimeofday({69007, 498992}, NULL) = 0
[pid 958] gettimeofday({69007, 499297}, NULL) = 0
[pid 958] gettimeofday({69007, 499511}, NULL) = 0
[pid 958] gettimeofday({69007, 499786}, NULL) = 0
[pid 958] gettimeofday({69007, 500060}, NULL) = 0
[pid 958] gettimeofday({69007, 500304}, NULL) = 0
[pid 958] gettimeofday({69007, 500549}, NULL) = 0
[pid 958] gettimeofday({69007, 500854}, NULL) = 0
[pid 958] gettimeofday({69007, 501098}, NULL) = 0
[pid 958] gettimeofday({69007, 501312}, NULL) = 0
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] recvmsg(7, {msg_name(0)=NULL, msg_iov(1)=[{"l\4\1\1 \0\0\0\23\200\0\0\211\0\0\0\1\1o\0\25\0\0\0/org/fre"..., 2048}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 2048
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] recvmsg(7, {msg_name(0)=NULL, msg_iov(1)=[{"\1b\0\0\0\0\0\0\0\0\0\0\10\0\0\0Lockdown\0\1b\0\0\0\0\0"..., 2048}], msg_controllen=0, msg_flags=MSG_CMSG_CLOEXEC}, MSG_CMSG_CLOEXEC) = 2048
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] inotify_add_watch(8, "/lib/firmware", IN_MODIFY|IN_ATTRIB|IN_CLOSE_WRITE|IN_MOVED_FROM|IN_MOVED_TO|IN_CREATE|IN_DELETE|IN_DELETE_SELF|IN_MOVE_SELF|IN_UNMOUNT|IN_ONLYDIR) = -1 ENOENT (No such file or directory)
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] recvmsg(15, {msg_name(12)={sa_family=AF_NETLINK, pid=567, groups=00000002}, msg_iov(1)=[{"libudev\0\376\355\312\376(\0\0\0(\0\0\0\270\0\0\0uu\24\310\0\0\0\0"..., 8192}], msg_controllen=24, {cmsg_len=24, cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS{pid=25529, uid=0, gid=0}}, msg_flags=0}, 0) = 224
[pid 958] stat64("/sys/subsystem/rfkill/devices/rfkill0", 0xbea71f90) = -1 ENOENT (No such file or directory)
[pid 958] stat64("/sys/bus/rfkill/devices/rfkill0", 0xbea71f90) = -1 ENOENT (No such file or directory)
[pid 958] stat64("/sys/class/rfkill/rfkill0", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 958] readlink("/sys/class/rfkill/rfkill0", "../../devices/platform/wcnss_wla"..., 1024) = 58
[pid 958] stat64("/sys/devices/platform/wcnss_wlan.0/ieee80211/phy0/rfkill0/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 958] open("/sys/devices/platform/wcnss_wlan.0/ieee80211/phy0/rfkill0/uevent", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 20
[pid 958] fstat64(20, {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 958] mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x43d05000
[pid 958] read(20, "RFKILL_NAME=phy0\nRFKILL_TYPE=wla"..., 4096) = 49
[pid 958] read(20, "", 4096) = 0
[pid 958] close(20) = 0
[pid 958] munmap(0x43d05000, 4096) = 0
[pid 958] readlink("/sys/devices/platform/wcnss_wlan.0/ieee80211/phy0/rfkill0/subsystem", "../../../../../../class/rfkill", 1024) = 30
[pid 958] open("/run/udev/data/+rfkill:rfkill0", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] sendmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\34\0\0\0\21\0\5\3>'\0\0\276\3\200\0 \0\0\0\10\0\3\0\r\0\0\0", 28}], msg_controllen=0, msg_flags=0}, 0) = 28
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"x\1\0\0\21\0\2\0>'\0\0\276\3\200\0\"\1\0\0\10\0.\0\346\6\0\0\10\0\3\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 376
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0>'\0\0\276\3\200\0\0\0\0\0", 4096}], msg_controllen=0, msg_flags=0}, 0) = 20
[pid 958] sendmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\34\0\0\0\21\0\5\3?'\0\0\276\3\200\0 \0\0\0\10\0\3\0\r\0\0\0", 28}], msg_controllen=0, msg_flags=0}, 0) = 28
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"x\1\0\0\21\0\2\0?'\0\0\276\3\200\0\"\1\0\0\10\0.\0\346\6\0\0\10\0\3\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 376
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0?'\0\0\276\3\200\0\0\0\0\0", 4096}], msg_controllen=0, msg_flags=0}, 0) = 20
[pid 958] sendmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\34\0\0\0\21\0\5\0@'\0\0\276\3\200\0\5\0\0\0\10\0\3\0\r\0\0\0", 28}], msg_controllen=0, msg_flags=0}, 0) = 28
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"@\0\0\0\21\0\0\0@'\0\0\276\3\200\0\7\1\0\0\10\0\3\0\r\0\0\0\10\0\1\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 64
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"$\0\0\0\2\0\0\0@'\0\0\276\3\200\0\0\0\0\0\34\0\0\0\21\0\5\0@'\0\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 36
[pid 958] sendmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\34\0\0\0\21\0\5\3A'\0\0\276\3\200\0 \0\0\0\10\0\3\0\r\0\0\0", 28}], msg_controllen=0, msg_flags=0}, 0) = 28
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"x\1\0\0\21\0\2\0A'\0\0\276\3\200\0\"\1\0\0\10\0.\0\346\6\0\0\10\0\3\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 376
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0A'\0\0\276\3\200\0\0\0\0\0", 4096}], msg_controllen=0, msg_flags=0}, 0) = 20
[pid 958] sendmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\34\0\0\0\21\0\5\3B'\0\0\276\3\200\0 \0\0\0\10\0\3\0\r\0\0\0", 28}], msg_controllen=0, msg_flags=0}, 0) = 28
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"x\1\0\0\21\0\2\0B'\0\0\276\3\200\0\"\1\0\0\10\0.\0\346\6\0\0\10\0\3\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 376
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"\24\0\0\0\3\0\2\0B'\0\0\276\3\200\0\0\0\0\0", 4096}], msg_controllen=0, msg_flags=0}, 0) = 20
[pid 958] sendmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"(\0\0\0\21\0\5\0C'\0\0\276\3\200\0\21\0\0\0\10\0\3\0\r\0\0\0\n\0\6\0"..., 40}], msg_controllen=0, msg_flags=0}, 0) = 40
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"h\0\0\0\21\0\0\0C'\0\0\276\3\200\0\23\1\0\0\10\0\3\0\r\0\0\0\n\0\6\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 104
[pid 958] recvmsg(18, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000000}, msg_iov(1)=[{"$\0\0\0\2\0\0\0C'\0\0\276\3\200\0\0\0\0\0(\0\0\0\21\0\5\0C'\0\0"..., 4096}], msg_controllen=0, msg_flags=0}, 0) = 36
[pid 958] clock_gettime(CLOCK_MONOTONIC, {45635, 604445677}) = 0
[pid 958] sendmsg(7, {msg_name(0)=NULL, msg_iov(2)=[{"l\1\0\1\37\0\0\0\252\365\1\0\223\0\0\0\1\1o\0#\0\0\0/fi/w1/w"..., 168}, {"\27\0\0\0\0\0\0\0\4\0\0\0Type\0\1s\0\6\0\0\0active\0", 31}], msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 199
[pid 958] gettimeofday({69007, 526766}, NULL) = 0
[pid 958] clock_gettime(CLOCK_MONOTONIC, {45635, 605849614}) = 0
[pid 958] clock_gettime(CLOCK_MONOTONIC, {45635, 606063257}) = 0
[pid 958] poll([{fd=4, events=POLLIN}, {fd=8, events=POLLIN}, {fd=10, events=POLLIN}, {fd=9, events=POLLIN}, {fd=5, events=POLLIN|POLLPRI}, {fd=7, events=POLLIN}, {fd=15, events=POLLIN}], 7, 0) = 4 ([{fd=4, revents=POLLIN}, {fd=5, revents=POLLIN}, {fd=7, revents=POLLIN}, {fd=15, revents=POLLIN}])
[pid 958] read(4, "\34\0\0\0\0\0\0\0", 16) = 8
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
[pid 958] recvmsg(5, {msg_name(12)={sa_family=AF_NETLINK, pid=0, groups=00000001}, msg_iov(1)=[{"\344\3\0\0\20\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\r\0\0\0\3\20\0\0\0\0\0\0"..., 4096}], msg_controllen=24, {cmsg_len=24, cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS{pid=0, uid=0, gid=0}}, msg_flags=0}, 0) = 996
[pid 958] write(4, "\1\0\0\0\0\0\0\0", 8) = 8
A gdb backtrace shows:
(gdb) bt
#0 0x40b53a6e in g_slist_find ()
from /lib/arm-linux-gnueabihf/libglib-2.0.so.0
#1 0x401cc5b6 in dbus_g_proxy_manager_filter (user_data=0x13e3728,
message=<optimized out>, connection=<optimized out>) at dbus-gproxy.c:1329
#2 dbus_g_proxy_manager_filter (connection=<optimized out>,
message=<optimized out>, user_data=0x13e3728) at dbus-gproxy.c:1196
#3 0x40255e3c in dbus_connection_dispatch ()
from /lib/arm-linux-gnueabihf/libdbus-1.so.3
#4 0x401c8558 in message_queue_dispatch (source=<optimized out>,
callback=<optimized out>, user_data=<optimized out>) at dbus-gmain.c:90
#5 0x40b3fa46 in g_main_context_dispatch ()
from /lib/arm-linux-gnueabihf/libglib-2.0.so.0
#6 0x40b3fca6 in ?? () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0
#7 0x40b3fca6 in ?? () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0
stepping through this, the busy loop appears to be in
dbus_g_proxy_manager_filter().
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