From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.12] helo=sc8-sf-mx2.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1C12nI-000894-VA for user-mode-linux-devel@lists.sourceforge.net; Sat, 28 Aug 2004 05:58:56 -0700 Received: from [205.209.148.60] (helo=cpanel.bahsol.com) by sc8-sf-mx2.sourceforge.net with esmtp (TLSv1:AES256-SHA:256) (Exim 4.34) id 1C12nI-0002BH-BT for user-mode-linux-devel@lists.sourceforge.net; Sat, 28 Aug 2004 05:58:56 -0700 Received: from [82.194.49.3] (helo=[192.168.1.2]) by cpanel.bahsol.com with asmtp (Exim 4.34) id 1C12nG-0005x2-BK for user-mode-linux-devel@lists.sourceforge.net; Sat, 28 Aug 2004 15:58:56 +0300 Message-ID: <41308189.9060007@almahdi.cc> From: Ali Almahdi MIME-Version: 1.0 Subject: Re: [uml-devel] Unable to boot UML. References: <412EDE49.4000308@almahdi.cc> In-Reply-To: <412EDE49.4000308@almahdi.cc> Content-Type: multipart/alternative; boundary="------------000302040303020801070602" Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Sat, 28 Aug 2004 15:58:49 +0300 To: user-mode-linux-devel@lists.sourceforge.net This is a multi-part message in MIME format. --------------000302040303020801070602 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit The problem was is my /tmp mounted with noexec, this caused UML to sigfualt, I found a workaround for this, without remounting /tmp with exec, is that create /tmp2, and run linux kernel as below: TMPDIR=/tmp2 ./linux *** Write your parameters here *** Ali Almahdi wrote: > I wasn't able to boot UML on my new server, I have tried most uml > patches and kernel versions with no success.. > > > # ./linux > Checking for the skas3 patch in the host...found > Checking for /proc/mm...found > Linux version 2.6.8.1-1um (root@localhost) (gcc version 3.3.2 20031022 > (Red Hat Linux 3.3.2-1)) #1 Fri Aug 27 10:02:17 AST 2004 > Built 1 zonelists > Kernel command line: root=98:0 > PID hash table entries: 16 (order 4: 128 bytes) > Dentry cache hash table entries: 8192 (order: 3, 32768 bytes) > Inode-cache hash table entries: 4096 (order: 2, 16384 bytes) > Memory: 27616k available > Calibrating delay loop... 3971.48 BogoMIPS > Mount-cache hash table entries: 512 (order: 0, 4096 bytes) > Checking for host processor cmov support...Yes > Checking for host processor xmm support...No > Checking that ptrace can change system call numbers...OK > Checking that host ptys support output SIGIO...Yes > Checking that host ptys support SIGIO on close...No, enabling workaround > Checking for /dev/anon on the host...Not available (open failed with > errno 2) > NET: Registered protocol family 16 > SCSI subsystem initialized > mconsole (version 2) initialized on /root/.uml/u0qnZB/mconsole > UML Watchdog Timer > VFS: Disk quotas dquot_6.5.1 > Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) > Coda Kernel/Venus communications, v6.0.0, coda@cs.cmu.edu > devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au) > devfs: boot_options: 0x0 > Installing knfsd (copyright (C) 1996 okir@monad.swb.de). > udf: registering filesystem > Kernel panic: map_memory(0x42800000, 3, 0xce7000, 4096, 1, 1, 1) > failed, err = -1 > > <6>SysRq : Show Regs > > EIP: 0073:[<4026c7a1>] CPU: 0 Not tainted ESP: 007b:4046cfa0 EFLAGS: > 00000216 > Not tainted > EAX: 00000000 EBX: 00007f09 ECX: 00000013 EDX: 00007f09 > ESI: 00000000 EDI: 00000000 EBP: 00000000 DS: 007b ES: 007b > Call Trace: [<40165170>] [<4001a0aa>] [<4003cc66>] [<40030676>] > [<400306df>] > [<40014979>] [<4001eab4>] [<4001eafc>] [<40017823>] [<40019591>] > [<4026c827>] > [<40017883>] [<400198c4>] [<4026c7a1>] [<40019833>] [<4001ec10>] > [<4001ec29>] > [<400199b2>] [<4026c827>] [<4026c558>] [<40144800>] [<4026c827>] > [<4026c827>] > [<400179c8>] [<4026c827>] [<400179c8>] [<4026c827>] [<400179c8>] > [<400148cd>] > [<4005a97a>] [<4005aa31>] [<4005aa0f>] [<4005ab04>] [<4005aeee>] > [<4005af46>] > [<401447cd>] [<40049ffe>] [<40048ecc>] [<40007cc3>] [<40002604>] > [<4000f5a0>] > [<4000f5c7>] [<4000f5a0>] [<4001504d>] [<4000f5a0>] [<40015028>] > [<400178ca>] > [<4002d7d0>] [<4000f5a0>] [<4002d821>] [<4000f5a0>] [<4001e34a>] > [<4000f5a0>] > [<4026c558>] [<4026c7a1>] > Segmentation fault (core dumped) > > > > My server is running on P4, 2GB RAM > > My UML config is attached. > > Thanks alot, > Ali > >------------------------------------------------------------------------ > --------------000302040303020801070602 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit The problem was is my /tmp mounted with noexec, this caused UML to sigfualt, I found a workaround for this, without remounting /tmp with exec, is that create /tmp2, and run linux kernel as below:

TMPDIR=/tmp2 ./linux *** Write your parameters here ***

Ali Almahdi wrote:
I wasn't able to boot UML on my new server, I have tried most uml patches and kernel versions with no success..


# ./linux
Checking for the skas3 patch in the host...found
Checking for /proc/mm...found
Linux version 2.6.8.1-1um (root@localhost) (gcc version 3.3.2 20031022 (Red Hat Linux 3.3.2-1)) #1 Fri Aug 27 10:02:17 AST 2004
Built 1 zonelists
Kernel command line: root=98:0
PID hash table entries: 16 (order 4: 128 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 27616k available
Calibrating delay loop... 3971.48 BogoMIPS
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
Checking for host processor cmov support...Yes
Checking for host processor xmm support...No
Checking that ptrace can change system call numbers...OK
Checking that host ptys support output SIGIO...Yes
Checking that host ptys support SIGIO on close...No, enabling workaround
Checking for /dev/anon on the host...Not available (open failed with errno 2)
NET: Registered protocol family 16
SCSI subsystem initialized
mconsole (version 2) initialized on /root/.uml/u0qnZB/mconsole
UML Watchdog Timer
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
Coda Kernel/Venus communications, v6.0.0, coda@cs.cmu.edu
devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x0
Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
udf: registering filesystem
Kernel panic: map_memory(0x42800000, 3, 0xce7000, 4096, 1, 1, 1) failed, err = -1

<6>SysRq : Show Regs

EIP: 0073:[<4026c7a1>] CPU: 0 Not tainted ESP: 007b:4046cfa0 EFLAGS: 00000216
   Not tainted
EAX: 00000000 EBX: 00007f09 ECX: 00000013 EDX: 00007f09
ESI: 00000000 EDI: 00000000 EBP: 00000000 DS: 007b ES: 007b
Call Trace: [<40165170>] [<4001a0aa>] [<4003cc66>] [<40030676>] [<400306df>]
  [<40014979>] [<4001eab4>] [<4001eafc>] [<40017823>] [<40019591>] [<4026c827>]
  [<40017883>] [<400198c4>] [<4026c7a1>] [<40019833>] [<4001ec10>] [<4001ec29>]
  [<400199b2>] [<4026c827>] [<4026c558>] [<40144800>] [<4026c827>] [<4026c827>]
  [<400179c8>] [<4026c827>] [<400179c8>] [<4026c827>] [<400179c8>] [<400148cd>]
  [<4005a97a>] [<4005aa31>] [<4005aa0f>] [<4005ab04>] [<4005aeee>] [<4005af46>]
  [<401447cd>] [<40049ffe>] [<40048ecc>] [<40007cc3>] [<40002604>] [<4000f5a0>]
  [<4000f5c7>] [<4000f5a0>] [<4001504d>] [<4000f5a0>] [<40015028>] [<400178ca>]
  [<4002d7d0>] [<4000f5a0>] [<4002d821>] [<4000f5a0>] [<4001e34a>] [<4000f5a0>]
  [<4026c558>] [<4026c7a1>]
Segmentation fault (core dumped)



My server is running on P4, 2GB RAM

My UML config is attached.

Thanks alot,
Ali
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