Re: kern/53005: apache httpd can hang the system

[clare%csel.org@localhost]

The following reply was made to PR kern/53005; it has been noted by GNATS.

From: clare%csel.org@localhost
To: gnats-bugs%NetBSD.org@localhost
Cc: Paul Goyette <paul%whooppee.com@localhost>, kern-bug-people%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/53005: apache httpd can hang the system
Date: Mon, 12 Feb 2018 20:36:10 +0900

 thank you informations.
 
 On Mon, 12 Feb 2018 10:50:01 +0000 (UTC)
 Paul Goyette <paul%whooppee.com@localhost> wrote:
 
 > The following reply was made to PR kern/53005; it has been noted by GNATS.
 > 
 > From: Paul Goyette <paul%whooppee.com@localhost>
 > To: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
 > Cc: clare%csel.org@localhost, gnats-bugs%NetBSD.org@localhost, kern-bug-people%netbsd.org@localhost, 
 >     gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
 > Subject: Re: kern/53005: apache httpd can hang the system
 > Date: Mon, 12 Feb 2018 18:45:13 +0800 (+08)
 > 
 >  On Mon, 12 Feb 2018, Manuel Bouyer wrote:
 >  
 >  > On Mon, Feb 12, 2018 at 04:43:05AM +0900, clare%csel.org@localhost wrote:
 >  >> thank you for quick response.
 >  >>
 >  >> On Sun, 11 Feb 2018 18:10:00 +0000 (UTC)
 >  >> Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
 >  >>
 >  >>>  When it hangs, can you enter ddb and get a backtrace of the apache process ?
 >  >>
 >  >> the VPS provider does not allow hitting ALT+CTRL+ESC on the console
 >  >> remotely, i should change the ddb magic sequence to do enter ddb.
 >  >> i want change "hw.cnmagic" to ALT+CTRL+DEL or +++, how do i it?
 >  >> changing it to \x2b\x2b\x2b does not seems to be took effective.
 >  >
 >  > just:
 >  > sysctl -w h.cnmagic=+++
 >  
 >  Note that this should be
 >  
 >   	sysctl -w hw.cnmagic=+++
 >  
 >  (the first part of the variable name is "hw" not "h"!)
 
 finally, i did the following local patch, i wanted to
 change hotkey from ALT+CTRL+ESC to ALT+CTRL+DEL,
 but result was ALT+CTRL+BACKSPACE.
 
 serial console was tryed but not usable on some cloud
 VPS environment...
 
 Index: wskbdmap_mfii.c
 ===================================================================
 RCS file: /export/cvsroot/netbsd/src/sys/dev/pckbport/wskbdmap_mfii.c,v
 retrieving revision 1.25
 diff -u -r1.25 wskbdmap_mfii.c
 --- wskbdmap_mfii.c     14 Jul 2014 10:05:24 -0000      1.25
 +++ wskbdmap_mfii.c     12 Feb 2018 06:14:40 -0000
 @@ -42,7 +42,7 @@
 
  static const keysym_t pckbd_keydesc_us[] = {
  /*  pos      command           normal          shifted */
 -    KC(1),   KS_Cmd_Debugger,  KS_Escape,
 +    KC(1),                     KS_Escape,
      KC(2),                     KS_1,           KS_exclam,
      KC(3),                     KS_2,           KS_at,
      KC(4),                     KS_3,           KS_numbersign,
 @@ -55,7 +55,7 @@
      KC(11),                    KS_0,           KS_parenright,
      KC(12),                    KS_minus,       KS_underscore,
      KC(13),                    KS_equal,       KS_plus,
 -    KC(14),  KS_Cmd_ResetEmul, KS_Delete,
 +    KC(14),  KS_Cmd_Debugger,  KS_Delete,
      KC(15),                    KS_Tab,
      KC(16),                    KS_q,
      KC(17),                    KS_w,
 
 
 -- 
 Shinichi Doyashiki <clare%csel.org@localhost>