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Re: port-amd64/54988: possible memory leaks/swap problems



The following reply was made to PR port-amd64/54988; it has been noted by GNATS.

From: mlh%goathill.org@localhost (MLH)
To: gnats-bugs%netbsd.org@localhost
Cc: ad%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, 
 mlh%goathill.org@localhost
Subject: Re: port-amd64/54988: possible memory leaks/swap problems
Date: Thu, 27 Feb 2020 20:01:36 -0500 (EST)

 Andrew Doran wrote:
 > The following reply was made to PR port-amd64/54988; it has been noted by GNATS.
 > 
 > From: Andrew Doran <ad%netbsd.org@localhost>
 > To: MLH <mlh%goathill.org@localhost>
 > Cc: gnats-bugs%netbsd.org@localhost
 > Subject: Re: port-amd64/54988: possible memory leaks/swap problems
 > Date: Sun, 23 Feb 2020 21:55:48 +0000
 > 
 >  Stress testing under low memory conditions I'm not able to reproduce this,
 >  however the machine is headless.  I'll try more I/O intensive stuff when I
 >  get a chance.
 >  
 >  If you are still able to run vmstat, then the output of "vmstat -s" say
 >  every 10 seconds over the course of a minute would be very useful.  If you
 >  have "top -t" running, it would be interesting to observe if pgdaemon is
 >  consuming a lot of CPU time.
 
 Unfortunately I saw there were updates to uvm so rebuilt everything
 and now it crashes towards the end of X starting up, right after
 Initializing extension GLX.
 
 [    57.167] (II) Initializing extension X-Resource
 [    57.167] (II) Initializing extension XVideo
 [    57.168] (II) Initializing extension XVideo-MotionCompensation
 [    57.168] (II) Initializing extension GLX
 crashes here
 
 (gdb) target kvm netbsd.1.core  
 _kvm_kvatop(0)
 (gdb) bt
 _kvm_kvatop(0)
 
 So I am having to boot an earlier kernel off of a thumbdrive to
 bring the box up from NetBSD 9.99.41 Thu Jan 23 13:54:41 EST 2020
 Still has the freeze that looks like a uvm issue.
 
 This is what normally follows Initializing extension GLX :
 
 [    75.828] (II) AIGLX: Loaded and initialized r600 
 [    75.828] (II) GLX: Initialized DRI2 GL provider for screen 0
 [    75.828] (II) Initializing extension XFree86-VidModeExtension
 [    75.829] (II) Initializing extension XFree86-DGA
 [    75.829] (II) Initializing extension XFree86-DRI
 [    75.829] (II) Initializing extension DRI2
 [    75.881] (II) RADEON(0): Setting screen physical size to 1016 x 317
 [    75.881] (II) RADEON(0): Allocate new frame buffer 3840x1200
 [    75.926] (II) RADEON(0): VRAM usage limit set to 1858971K
 [    78.235] (II) Using input driver 'mouse' for 'Mouse0'
 [    78.235] (**) Option "CorePointer"
 [    78.235] (**) Mouse0: always reports core events
 [    78.277] (**) Option "Protocol" "wsmouse" 
 [    78.277] (**) Option "Device" "/dev/wsmouse" 
 [    78.277] (**) Mouse0: Protocol: "wsmouse"
 [    78.277] (**) Mouse0: always reports core events
 [    78.278] (==) Mouse0: Emulate3Buttons, Emulate3Timeout: 50
 [    78.278] (**) Option "ZAxisMapping" "4 5 6 7"
 [    78.278] (**) Mouse0: ZAxisMapping: buttons 4, 5, 6 and 7
 [    78.278] (**) Mouse0: Buttons: 11
 [    78.278] (II) XINPUT: Adding extended input device "Mouse0" (type: MOUSE, id
 [    78.278] (**) Mouse0: (accel) keeping acceleration scheme 1
 [    78.278] (**) Mouse0: (accel) acceleration profile 0
 [    78.278] (**) Mouse0: (accel) acceleration factor: 2.000
 [    78.278] (**) Mouse0: (accel) acceleration threshold: 4
 [    78.278] (II) Using input driver 'kbd' for 'Keyboard0'
 [    78.278] (**) Option "CoreKeyboard"
 [    78.278] (**) Keyboard0: always reports core events
 [    78.278] (**) Keyboard0: always reports core events
 [    78.278] (**) Option "Protocol" "standard"
 [    78.278] (**) Option "XkbRules" "base"
 [    78.278] (**) Option "XkbModel" "pc105"
 [    78.279] (**) Option "XkbLayout" "us"
 [    78.279] (**) Option "XkbOptions" "ctrl:swapcaps"
 [    78.279] (II) XINPUT: Adding extended input device "Keyboard0" (type: KEYBOA
 [    92.114] (II) RADEON(0): Allocate new frame buffer 1920x1200
 [    92.115] (II) RADEON(0): VRAM usage limit set to 1867071K
 [    92.154] (II) RADEON(0): Allocate new frame buffer 3840x1200
 [    92.159] (II) RADEON(0): VRAM usage limit set to 1858971K
 
 


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