From: devzero@web.de
To: linux-scsi@vger.kernel.org
Subject: Re: [PATCH 1/2] fusion : shost max_id not set in VMWare guest os
Date: Mon, 10 Sep 2007 00:58:39 +0200 [thread overview]
Message-ID: <1969544227@web.de> (raw)
Hi ,
there`s probably another bug in VMWare LSI emulated scsi controller, recent solaris builds crash the vmware process on boot (iirc, it was a regression introduced in snv_63).
from what i`ve read so far it happens during scsi device initialization from withing mpt driver, but unfortunately the mpt driver in solaris seems to be closed source.
since there i found no more information within vmware community or within opensolaris community about details of this bug - maybe anybody here knows what`s causing this crash and if it can perhaps be reproduced from within linux ?
i`m even unsure if some hacker could exploit this to break out of a virtual machine !? i`m running VMs in dmz setup.....
regards
roland
>[PATCH 1/2] fusion : shost max_id not set in VMWare guest os
>
>In vmware guest os with emulated LSI 53c1030, the port facts config page is
>not having MaxDevices initialized to 16 devices. Instead its set to zero.
>Thereforewhen driver loads, no devices are scanned for from scsi_scan_host.
>Prior to the3.04.04 driver, shost max_id was set to hard coded value \
>MPT_MAX_SCSI_DEVICES. After that release, support for greater than 255 targets was \
>added, and the driver was taking the target count from the port facts instead. With \
>this patch we will restore the hard coded values for SPI, but at the same time use \
>the settingsneeded for SAS and Fibre Channel.
>
>Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
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next reply other threads:[~2007-09-09 22:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-09 22:58 devzero [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-03-19 16:30 [PATCH 1/2] fusion : shost max_id not set in VMWare guest os Eric Moore
2007-03-19 17:06 ` Christoph Hellwig
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