[tor-bugs] #13603 [Tor]: a lot of IOERRORS if > 600 connections are open

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Oct 29 19:52:50 UTC 2014


#13603: a lot of IOERRORS if > 600 connections are open
--------------------+-------------------------------
 Reporter:  toralf  |          Owner:
     Type:  defect  |         Status:  new
 Priority:  minor   |      Milestone:
Component:  Tor     |        Version:  Tor: 0.2.5.10
 Keywords:          |  Actual Points:
Parent ID:          |         Points:
--------------------+-------------------------------
 my tor-relay
 https://globe.torproject.org/#/relay/F1BE15429B3CE696D6807F4D4A58B1BFEC45C822
 usually do serv about 1000 inbound, 500 outbound and 500 exit connections
 in parallel using just 20% CPU time of 1 core.

 I do however wonder about the high amount of IOERRORs I do see in page 1#5
 of the arm tool window, when I press e + q :

 {{{
  │ 20:47:12 [ORCONN] STATUS: CONNECTED  ENDPOINT:
 $DB65666C334A177E8D4EA5B12E933E16275DEEE7~FridgeNet
  │ 20:47:11 [ORCONN] STATUS: LAUNCHED   ENDPOINT:
 $F0B6616974070C06ED80207075CDE5112158FF86~walrusWaffles
  │ 20:47:11 [ORCONN] STATUS: CLOSED     ENDPOINT:
 $8B9AD4D3055E9F9A5A027BD98F61583E673FF84B~GoldDragon REASON: IOERROR
  │ 20:47:11 [ORCONN] STATUS: LAUNCHED   ENDPOINT:
 $DB65666C334A177E8D4EA5B12E933E16275DEEE7~FridgeNet
  │ 20:47:11 [ORCONN] STATUS: CLOSED     ENDPOINT:
 $8E3C2D457B2799C26F70012F5A4A857DA7D326AE~Unnamed REASON: DONE
  │ 20:47:11 [ORCONN] STATUS: CONNECTED  ENDPOINT:
 $C47EDFA198D217F5DDCEFFCA6CB837D1C0AC5E6A~chuckschuldiner
  │ 20:47:11 [ORCONN] STATUS: CONNECTED  ENDPOINT:
 $4587B58F494875B6ACF1E29B1D64B2C93BD533D3~SYDIT
  │ 20:47:11 [ORCONN] STATUS: NEW        ENDPOINT: 78.47.188.4:58097
  │ 20:47:10 [ORCONN] STATUS: CONNECTED  ENDPOINT:
 $E91B2D9F72ADA255D46ED32F880A0B1BFFF64981~lessQQmorePEWPEW
  │ 20:47:10 [ORCONN] STATUS: LAUNCHED   ENDPOINT:
 $4587B58F494875B6ACF1E29B1D64B2C93BD533D3~SYDIT
  │ 20:47:10 [ORCONN] STATUS: LAUNCHED   ENDPOINT:
 $E91B2D9F72ADA255D46ED32F880A0B1BFFF64981~lessQQmorePEWPEW
  │ 20:47:10 [ORCONN] STATUS: CONNECTED  ENDPOINT:
 $FB40DC3C724E5AA6ECD3EA1F64C0F559B48F21B5~torpidsDEinterwerk
  │ 20:47:10 [ORCONN] STATUS: LAUNCHED   ENDPOINT:
 $FB40DC3C724E5AA6ECD3EA1F64C0F559B48F21B5~torpidsDEinterwerk
  │ 20:47:09 [ORCONN] STATUS: CLOSED     ENDPOINT:
 $D4643D88FFF8A7DA22FC26070FD9B4F22C88CD2C~default REASON: IOERROR
  │ 20:47:09 [ORCONN] STATUS: CLOSED     ENDPOINT:
 $C48FECDA99852AA28953780A5F48911F2EF27B06~ololiuqui REASON: IOERROR
  │ 20:47:09 [ORCONN] STATUS: CLOSED     ENDPOINT:
 $3EE29A5BA006487B96AA5DC2CE2243793E5C463C~overratedconfigs REASON: IOERROR
  │ 20:47:09 [ORCONN] STATUS: CLOSED     ENDPOINT:
 $2FD0BA57A34DC2792AF470398F72F37F9E51DC2D~serotonin REASON: IOERROR
  │ 20:47:09 [ORCONN] STATUS: CLOSED     ENDPOINT:
 $A49A0ACF7D45C1A70CCD08F3B69322BB6B1AA7E9~bennobaksteen REASON: IOERROR
  │ 20:47:08 [ORCONN] STATUS: FAILED     ENDPOINT:
 $372082F3E01DE6A6333D30329C6903A19D0E8E87~Unnamed REASON: NOROUTE NCIRCS:
 1
  │ 20:47:08 [ORCONN] STATUS: LAUNCHED   ENDPOINT:
 $372082F3E01DE6A6333D30329C6903A19D0E8E87~Unnamed
  │ 20:47:08 [ORCONN] STATUS: FAILED     ENDPOINT:
 $90AB1CE329584D694E33D0C56E85C5639027D0BB~Unnamed REASON: DONE
  │ 20:47:07 [ORCONN] STATUS: CLOSED     ENDPOINT:
 $AA2FA395FC85AFC3CF038E027D9DD00A92FF3255~gulmohar REASON: IOERROR
 }}}

 The system is a hardened 64 bit Gentoo with kernel 3.17.1

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13603>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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