kern/103455: "swap_pager: indefinite wait buffer" with page file enabled (causes lockups)

Tue May 17 10:00:23 UTC 2011

The following reply was made to PR kern/103455; it has been noted by GNATS.

From: =?iso-8859-1?Q?=22Arnaud_Mich=E9=22?= <Arnaud.Miche at gmx.net>
To: bug-followup at FreeBSD.org, nick at nickwithers.com
Cc:  
Subject: Re: kern/103455: "swap_pager: indefinite wait buffer" with page file
 enabled (causes lockups)
Date: Tue, 17 May 2011 11:25:37 +0200

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 Hi,

 sorry if I'm digging out an old subject but I still have this error. It 
 occurs quite often and always during build of applications.

 My configuration :

 Hardware
 -------------
 Apple Powerbook G4 "Titanium" @550MHz
 RAM : 256 MB (512 MB of swap space)
 HD: 20 GB (filled at 30%)

 OS
 ---
 FreeBSD 8.2-RELEASE #0: Sat Feb 19 01:18:47 UTC 2011 
 root at xserve.lan.xcllnt.net:/usr/obj/usr/src/sys/GENERIC powerpc

 hw.ata.ata_dma=1
 hw.ata.atapi_dma=1

 When the problem occurs some messages are interlaced with the "swap_pager" 
 messages, I give them here:

 ad0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing 
 request directly
 acd0: WARNING - TEST_UNIT_READY taskqueue timeout - completing request 
 directly
 ad0: WARNING - SETFEATURES SET ENABLE RCACHE taskqueue timeout - completing 
 request directly
 ad0: WARNING - SETFEATURES SET ENABLE WCACHE taskqueue timeout - completing 
 request directly
 ad0: WARNING - SET_MULTI taskqueue timeout - completing request directly
 ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=215821
 acd0: WARNING - TEST_UNIT_READY freeing taskqueue zombie request

 I don't know if this is a clue but is it not weird to have some messages 
 coming from the cdrom drive ?

 Have you an idea of where do I debug and search to understand the error ?

 Many many thanks in advance.

 Arnaud

 -- 
 Empfehlen Sie GMX DSL Ihren Freunden und Bekannten und wir
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         Hi,<br /><br />sorry if I'm digging out an old subject but I still =
 have this error. It occurs quite often and always during build of applicati=
 ons.<br /><br />My configuration :<br /><br />Hardware<br />-------------<b=
 r />Apple Powerbook G4 &quot;Titanium&quot; @550MHz<br />RAM : 256 MB (512 =
 MB of swap space)<br />HD: 20 GB (filled at 30%)<br /><br />OS<br />---<br =
 />FreeBSD 8.2-RELEASE #0: Sat Feb 19 01:18:47 UTC 2011 root at xserve.lan.xcll=
 nt.net:/usr/obj/usr/src/sys/GENERIC powerpc<br /><br />hw.ata.ata_dma=3D1<b=
 r />hw.ata.atapi_dma=3D1<br /><br />When the problem occurs some messages a=
 re interlaced with the &quot;swap_pager&quot; messages, I give them here:<b=
 r /><br />ad0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - =
 completing request directly<br />acd0: WARNING - TEST_UNIT_READY taskqueue =
 timeout - completing request directly<br />ad0: WARNING - SETFEATURES SET E=
 NABLE RCACHE taskqueue timeout - completing request directly<br />ad0: WARN=
 ING - SETFEATURES SET ENABLE WCACHE taskqueue timeout - completing request =
 directly<br />ad0: WARNING - SET_MULTI taskqueue timeout - completing reque=
 st directly<br />ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=3D2158=
 21<br />acd0: WARNING - TEST_UNIT_READY freeing taskqueue zombie request<br=
  /><br />I don't know if this is a clue but is it not weird to have some me=
 ssages coming from the cdrom drive ?<br /><br />Have you an idea of where d=
 o I debug and search to understand the error ?<br /><br />Many many thanks =
 in advance.<br /><br />Arnaud<br />
     <div class=3D"signature"><br /><br /><br />-- <br />Empfehlen Sie GMX D=
 SL Ihren Freunden und Bekannten und wir<br />belohnen Sie mit bis zu 50,- E=
 uro! https://freundschaftswerbung.gmx.de</div></body>
 </html>

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