Re: [uml-devel] 2.6.10 command line longer than 512 characters

["Catalin(ux aka Dino) BOIE" <util@deuroconsult.ro>]

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On Fri, 7 Jan 2005, Kyrre M Begnum wrote:

>
> Hello, list.
Hello!

You have a patch at:
http://kernel.umbrella.ro/kpatches/uml-extend-cmd-line-limits.patch

>
> I have noticed that when I supply a command line longer than 513
> characters (or was it 512?) the kernel crashes. Output supplied at the end
> of mail. This does not seem to be a problem on the old 2.4.24
> guest kernels. Is there a way I can change this, perhaps during kernel
> configuration?
>
>
> Notice the strange symbols at the end of the printed kernel kommand line:
> (The ^J appeard after pasting into the email)
>
> Linux version 2.6.10 (kyrre@legolas) (gcc version 3.3.5 (Debian
> 1:3.3.5-5)) #1 SMP Thu Jan 6 12:07:34 CET 2005
> Built 1 zonelists
> Kernel command line: con=pty con1=fd:0,fd:2 mem=32M
> ubd0=/home/kyrre/.mln_user_mode_build/357/debian.cow,/home/kyrre/mlntest/templates/Debian-3.0r0-V0.6.ext2
> ubd1=/home/kyrre/mlntest/projects/simple-network/images/blowfish
> ubd2=/home/kyrre/mlntest/projects/simple-network/images/catfish
> ubd3=/home/kyrre/mlntest/projects/simple-network/images/starfish
> project=/home/kyrre/mlntest/projects files=/home/kyrre/mlntest/files
> mln=/home/kyrre/.mln_user_mode_build/357 mln_command="-L legolas build -C
> -f /tmp/mln/simple-network.mln -h blowÀüŠ
> PID hash table entries: 256 (order: 8, 4096 bytes)
> Kernel panic - not syncing: Segfault with no mm
> <6>Stopping all CPUs...done
>
> 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
> Call Trace:
> [<a004ebfd>] notifier_call_chain+0x2d/0x50
> [<a0205866>] bust_spinlocks+0x46/0x50
> [<a003cc86>] panic+0x76/0x120
> [<a001e91c>] segv+0x1cc/0x230
> [<a02db334>] sigemptyset+0x24/0x40
> [<a001c085>] change_signals+0x65/0x90
> [<a001ecff>] segv_handler+0x16f/0x220
> [<a002519f>] sig_handler_common_skas+0x8f/0xc0
> [<a0024a50>] start_kernel_proc+0x0/0x40
> [<a001ee04>] sig_handler+0x34/0x40
> [<a02db208>] __restore+0x0/0x8
> [<a0024a50>] start_kernel_proc+0x0/0x40
> [<a02096b7>] vsnprintf+0x37/0x4d0
> [<a02db208>] __restore+0x0/0x8
> [<a001dec0>] boot_timer_handler+0x0/0x40
> [<a02db208>] __restore+0x0/0x8
> [<a02db208>] __restore+0x0/0x8
> [<a001dec0>] boot_timer_handler+0x0/0x40
> [<a02db208>] __restore+0x0/0x8
> [<a02db334>] sigemptyset+0x24/0x40
> [<a001c085>] change_signals+0x65/0x90
> [<a02db334>] sigemptyset+0x24/0x40
> [<a001c085>] change_signals+0x65/0x90
> [<a02db334>] sigemptyset+0x24/0x40
> [<a001c22d>] set_signals+0x7d/0x130
> [<a001c193>] get_signals+0x33/0x50
> [<a03200be>] _spin_unlock_irqrestore+0xe/0x20
> [<a003dae9>] release_console_sem+0x79/0xc0
> [<a0024a50>] start_kernel_proc+0x0/0x40
> [<a003cc45>] panic+0x35/0x120
> [<a00027cd>] start_kernel+0x1ad/0x1b0
> [<a0002160>] unknown_bootoption+0x0/0x200
> [<a0024a7f>] start_kernel_proc+0x2f/0x40
> [<a0019028>] run_kernel_thread+0x78/0x80
> [<a0024a50>] start_kernel_proc+0x0/0x40
> [<a0018ff0>] run_kernel_thread+0x40/0x80
> [<a0024a50>] start_kernel_proc+0x0/0x40
> [<a0024715>] new_thread_handler+0x75/0xb0
> [<a0024a50>] start_kernel_proc+0x0/0x40
> [<a02db208>] __restore+0x0/0x8
> [<a02db2a1>] __kill+0x11/0x20
>
>
> Regrds.
>
> ---------------------
> Kyrre M Begnum
> Rom 1.755 7.etg
> Tfl: 22453276
>
>
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---
Catalin(ux aka Dino) BOIE
catab at deuroconsult.ro
http://kernel.umbrella.ro/