Date: Thu, 29 Apr 2004 17:04:37 -0700 From: Marcel Moolenaar <marcel@xcllnt.net> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-emulation@freebsd.org Subject: Re: user mode linux? Message-ID: <20040430000437.GB39055@ns1.xcllnt.net> In-Reply-To: <16528.65255.326986.106534@grasshopper.cs.duke.edu> References: <16528.65255.326986.106534@grasshopper.cs.duke.edu>
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On Thu, Apr 29, 2004 at 09:11:03AM -0400, Andrew Gallatin wrote: > > The first problem I have is really stumping me. The linux kernel > (http://uml.linode.com/linux-2.4.19-5.bz2) is failing to start very > early. Its creating a 1785856 byte sparse file and failing to mmap > it: > > 2974 linux-2.4.19-5 CALL linux_llseek(0x3,0,0x1b4000,0xbfbfe280,0) > 2974 linux-2.4.19-5 RET linux_llseek 0 > 2974 linux-2.4.19-5 CALL write(0x3,0xbfbfe2d7,0x1) > 2974 linux-2.4.19-5 GIO fd 3 wrote 1 byte > "\0" > 2974 linux-2.4.19-5 RET write 1 > 2974 linux-2.4.19-5 CALL linux_fcntl64(0x3,0x2,0x1) > 2974 linux-2.4.19-5 RET linux_fcntl64 0 > 2974 linux-2.4.19-5 CALL linux_mmap(0xbfbfe2d0) > 2974 linux-2.4.19-5 RET linux_mmap -1 errno 12 Cannot allocate > memory > 2974 linux-2.4.19-5 PSIG SIGSEGV SIG_DFL > 2974 linux-2.4.19-5 NAMI "linux-2.4.19-5.core" Two things you might wan to look into: 1. Is there an issue with mmap(2)'ing sparse files? 2. Are limits being hit (most notably RLIMIT_DATA)? -- Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net
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