Date: Mon, 28 Apr 2014 14:50:00 GMT From: John Baldwin <jhb@freebsd.org> To: freebsd-emulation@FreeBSD.org Subject: Re: kern/186051: [vmware] [panic] FreeBSD 8.4+, 9.x+, 10.0 guest panic with VMWare Server on boot Message-ID: <201404281450.s3SEo0r3066539@freefall.freebsd.org>
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The following reply was made to PR kern/186051; it has been noted by GNATS. From: John Baldwin <jhb@freebsd.org> To: Steven Spence <freebsd@stratum16.com> Cc: bug-followup@freebsd.org Subject: Re: kern/186051: [vmware] [panic] FreeBSD 8.4+, 9.x+, 10.0 guest panic with VMWare Server on boot Date: Mon, 28 Apr 2014 10:32:23 -0400 This is a multi-part message in MIME format. --nextPart3286674.ppVH4CbPFD Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" On Monday, April 21, 2014 01:45:10 PM Steven Spence wrote: > Output of "sysctl machdep.idle" > > machdep.idle: amdc1e > > This is from a 8.3-RELEASE-p15 box. Hummm. We really shouldn't be doing anything differently. However, we do a bit more (including a wrmsr) during idle halt on your machine. Can you build a stable/8 kernel with debug symbols in an 8.3 guest and capture the panic messages from booting that kernel? > Thanks, > Steven > > On 04/21/2014 12:37 PM, John Baldwin wrote: > > It appears to be crashing because VMWare is raising a privileged > > instruction trap in the OS when it invokes 'hlt'. That seems like a bug > > in VMWare. There isn't a way to disable 'hlt' from the loader prompt > > unfortunately. > > > > Can you show the output of 'sysctl machdep.idle' under your working > > kernel? -- John Baldwin --nextPart3286674.ppVH4CbPFD Content-Transfer-Encoding: 7Bit Content-Type: text/html; charset="us-ascii" <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd">; <html><head><meta name="qrichtext" content="1" /><style type="text/css"> p, li { white-space: pre-wrap; } </style></head><body style=" font-family:'Monospace'; font-size:10pt; font-weight:400; font-style:normal;"> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">On Monday, April 21, 2014 01:45:10 PM Steven Spence wrote:</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> Output of "sysctl machdep.idle"</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> </p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> machdep.idle: amdc1e</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> </p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> This is from a 8.3-RELEASE-p15 box.</p> <p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Hummm. We really shouldn't be doing anything differently. However, we do a</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">bit more (including a wrmsr) during idle halt on your machine. Can you build</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">a stable/8 kernel with debug symbols in an 8.3 guest and capture the panic</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">messages from booting that kernel?</p> <p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> Thanks,</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> Steven</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> </p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> On 04/21/2014 12:37 PM, John Baldwin wrote:</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > It appears to be crashing because VMWare is raising a privileged</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > instruction trap in the OS when it invokes 'hlt'. That seems like a bug</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > in VMWare. There isn't a way to disable 'hlt' from the loader prompt</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > unfortunately.</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > </p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > Can you show the output of 'sysctl machdep.idle' under your working</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> > kernel?</p> <p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">-- </p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">John Baldwin</p></body></html> --nextPart3286674.ppVH4CbPFD--
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