From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1CYtz0-0007Ph-CU for user-mode-linux-devel@lists.sourceforge.net; Mon, 29 Nov 2004 14:26:58 -0800 Received: from plam.fujitsu-siemens.com ([217.115.66.9]) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.41) id 1CYtyy-0005xm-7y for user-mode-linux-devel@lists.sourceforge.net; Mon, 29 Nov 2004 14:26:57 -0800 Message-ID: <41ABA22B.8020004@fujitsu-siemens.com> From: Bodo Stroesser MIME-Version: 1.0 Subject: Re: [uml-devel] 2.6.9-bb3 on 2.6.9 host problem - triggering a host bug? References: <200411292315.25368.blaisorblade_spam@yahoo.it> In-Reply-To: <200411292315.25368.blaisorblade_spam@yahoo.it> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit 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: Mon, 29 Nov 2004 23:26:51 +0100 To: Blaisorblade Cc: user-mode-linux-devel@lists.sourceforge.net Blaisorblade wrote: > Checking for the skas3 patch in the host...found > Checking for /proc/mm...found > Checking PROT_EXEC mmap in /tmp...OK > Linux version 2.6.9-skas3-v7-bb3nobodo-rework-hang (paolo@zion) (gcc version > 3.3.2 (Mandrake Linux 10.0 3.3.2-6mdk)) #9 FriNov 26 03:51:10 CET 2004 > Built 1 zonelists > Kernel command line: ubd0s=slack90.rootfs rootfs=/dev/ubd0 ubd7=slack90.swapfs > mem=64m eth0=tuntap,,,192.168.0.100 UML_XDISPLAY=192.168.0.100:0 > UML_IP=192.168.0.3 con=xterm con0=fd:0,fd:1 root=98:0 > PID hash table entries: 512 (order: 9, 8192 bytes) > Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) > Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) > Memory: 61792k available > Kernel panic - not syncing: Segfault with no mm > > EIP: 0000:[<00000000>] CPU: 0 Not tainted EFLAGS: 00000000 > Not tainted > EAX: 00000000 EBX: 00000000 ECX: 00000000 EDX: 00000000 > ESI: 00000000 EDI: 00000000 EBP: 00000000 DS: 0000 ES: 0000 Meanwhile, I have some experience analyzing the call trace. It's very difficult, when not even impossible, since the output lacks the stack-addresses. Could you please insert a additional address-field in the output? Bodo > Call Trace: > [<080791d3>] printk+0x13/0x20 > [<0808bbd6>] notifier_call_chain+0x26/0x50 > [<08078468>] panic+0x58/0xc0 > [<0805f2a2>] segv+0x192/0x1d0 > [<081e2157>] sigemptyset+0x17/0x30 > [<0805d483>] change_signals+0x43/0x70 > [<0805f673>] segv_handler+0xc3/0xd0 > [<0805d4cd>] unblock_signals+0xd/0x10 > [<08061cc4>] sig_handler_common_skas+0xa4/0xc0 > [<080616a0>] start_kernel_proc+0x0/0x30 > [<0805f6a3>] sig_handler+0x13/0x20 > [<081e1e88>] __restore+0x0/0x8 > [<080616a0>] start_kernel_proc+0x0/0x30 > [<0804871d>] start_kernel+0xfd/0x1b0 > [<0805d509>] enable_mask+0x39/0x50 > [<081e2157>] sigemptyset+0x17/0x30 > [<081e1e88>] __restore+0x0/0x8 > [<08071158>] file_io+0x28/0x80 > [<08071158>] file_io+0x28/0x80 > [<0805d509>] enable_mask+0x39/0x50 > [<081e2157>] sigemptyset+0x17/0x30 > [<0805d509>] enable_mask+0x39/0x50 > [<081e2157>] sigemptyset+0x17/0x30 > [<08071158>] file_io+0x28/0x80 > [<0805d509>] enable_mask+0x39/0x50 > [<081e2157>] sigemptyset+0x17/0x30 > [<0805d5f0>] set_signals+0x80/0x180 > [<08079727>] release_console_sem+0x1f7/0x270 > [<080795f5>] release_console_sem+0xc5/0x270 > [<080793a5>] vprintk+0x1c5/0x2e0 > [<080791d3>] printk+0x13/0x20 > [<0804cfb0>] free_all_bootmem+0x10/0x20 > [<0805969a>] mem_init+0xfa/0x110 > [<08059662>] mem_init+0xc2/0x110 > [<080616c7>] start_kernel_proc+0x27/0x30 > [<0805ad0a>] run_kernel_thread+0x3a/0x50 > [<080616a0>] start_kernel_proc+0x0/0x30 > [<0805acef>] run_kernel_thread+0x1f/0x50 > [<080616a0>] start_kernel_proc+0x0/0x30 > [<080613c7>] new_thread_handler+0x67/0xa0 > [<080616a0>] start_kernel_proc+0x0/0x30 > [<081e1e88>] __restore+0x0/0x8 > [<081e20e1>] kill+0x11/0x20 > ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel