Date: Mon, 22 Mar 2010 18:41:14 GMT From: Bruce Cran <bruce@cran.org.uk> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/144962: [geom] panic when accessing GPT disk with a large number of entries Message-ID: <201003221841.o2MIfEO0090207@www.freebsd.org> Resent-Message-ID: <201003221850.o2MIo2XC020639@freefall.freebsd.org>
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>Number: 144962 >Category: kern >Synopsis: [geom] panic when accessing GPT disk with a large number of entries >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Mar 22 18:50:02 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Bruce Cran >Release: 9.0-CURRENT >Organization: >Environment: FreeBSD core.draftnet 9.0-CURRENT FreeBSD 9.0-CURRENT #3 r205344M: Sat Mar 20 21:31:35 GMT 2010 brucec@core.draftnet:/usr/obj/usr/src/head/sys/CORE amd64 >Description: After creating a GPT with an excessively large number of entries, FreeBSD then is unable to access the disk without running out of kernel virtual memory. For example, after running "gpart create -s gpt -n 1000000 da0" then accessing the disk, the system will the panic with "kmem_map too small". >How-To-Repeat: Run "gpart create -s gpt -n 1000000 da0" then reboot >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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