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SubjectRe: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U1
Ingo Molnar wrote:
> i have released the -U1 PREEMPT_REALTIME patch:
>
> http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc4-mm1-U1
>
> this is a strict bugfixes-only release. With -U1 i cannot reproduce any
> of the bugs on my testsystems anymore, but take care nevertheless, this
> is still experimental code.
>

Got this one running on my SMP workstation FINALLY. The problems that I
have been having with the keyboard not working goes away if I compile in
CONFIG_SERIO_PCIPS2 instead of making it a module. :-/ Anyway I am
getting some "using smp_processor_id messages" all of which seem to be
getting generated from ip_tables as in:


Oct 14 15:35:52 swdev14 kernel: using smp_processor_id() in preemptible [00000001] code: thunderbird-bin/3933
Oct 14 15:35:52 swdev14 kernel: caller is ipt_do_table+0x79/0x335 [ip_tables]
Oct 14 15:35:52 swdev14 kernel: [<c011878e>] smp_processor_id+0xa8/0xb9
Oct 14 15:35:52 swdev14 kernel: [<e08550a8>] ipt_do_table+0x79/0x335 [ip_tables]
Oct 14 15:35:52 swdev14 kernel: [<e08550a8>] ipt_do_table+0x79/0x335 [ip_tables]
Oct 14 15:35:52 swdev14 kernel: [<e09ba0b5>] ipt_local_out_hook+0x76/0x79 [iptable_filter]
Oct 14 15:35:52 swdev14 kernel: [<c02394ea>] nf_iterate+0x70/0xa1
Oct 14 15:35:52 swdev14 kernel: [<c024ef4f>] dst_output+0x0/0x2f
Oct 14 15:35:52 swdev14 kernel: [<c023982d>] nf_hook_slow+0x79/0x126
Oct 14 15:35:52 swdev14 kernel: [<c024ef4f>] dst_output+0x0/0x2f
Oct 14 15:35:52 swdev14 kernel: [<c024cfe2>] ip_queue_xmit+0x495/0x59e
Oct 14 15:35:52 swdev14 kernel: [<c024ef4f>] dst_output+0x0/0x2f
Oct 14 15:35:52 swdev14 kernel: [<c01325d5>] __mcount+0x1d/0x21
Oct 14 15:35:52 swdev14 kernel: [<c0298716>] _spin_unlock_irq+0xb/0x35
Oct 14 15:35:52 swdev14 kernel: [<c01171e7>] finish_task_switch+0x3c/0x85
Oct 14 15:35:52 swdev14 kernel: [<c0111d1c>] mcount+0x14/0x18
Oct 14 15:35:52 swdev14 kernel: [<c01325d5>] __mcount+0x1d/0x21
Oct 14 15:35:52 swdev14 kernel: [<c0263c48>] tcp_v4_send_check+0xe/0xe2
Oct 14 15:35:52 swdev14 kernel: [<c025d95b>] tcp_transmit_skb+0x435/0x85b
Oct 14 15:35:52 swdev14 kernel: [<c0111d1c>] mcount+0x14/0x18
Oct 14 15:35:52 swdev14 kernel: [<c0263c48>] tcp_v4_send_check+0xe/0xe2
Oct 14 15:35:52 swdev14 kernel: [<c025da07>] tcp_transmit_skb+0x4e1/0x85b
Oct 14 15:35:52 swdev14 kernel: [<c01af5ee>] memcpy+0x12/0x3c
Oct 14 15:35:52 swdev14 kernel: [<c025e830>] tcp_write_xmit+0x14c/0x2c6
Oct 14 15:35:52 swdev14 kernel: [<c0252608>] tcp_sendmsg+0x50d/0x10a7
Oct 14 15:35:52 swdev14 kernel: [<c0111d1c>] mcount+0x14/0x18
Oct 14 15:35:52 swdev14 kernel: [<c02525dc>] tcp_sendmsg+0x4e1/0x10a7
Oct 14 15:35:52 swdev14 kernel: [<c0224f0e>] sock_sendmsg+0xfa/0xfc
Oct 14 15:35:52 swdev14 kernel: [<c0274665>] inet_sendmsg+0x50/0x5b
Oct 14 15:35:52 swdev14 kernel: [<c0224f0e>] sock_sendmsg+0xfa/0xfc
Oct 14 15:35:52 swdev14 kernel: [<c01325d5>] __mcount+0x1d/0x21
Oct 14 15:35:52 swdev14 kernel: [<c01af10e>] find_next_bit+0x16/0x92
Oct 14 15:35:52 swdev14 kernel: [<c0117b37>] find_busiest_group+0xd4/0x2e0
Oct 14 15:35:52 swdev14 kernel: [<c0131d20>] _mutex_unlock+0xe/0x5e
Oct 14 15:35:52 swdev14 kernel: [<c0111d1c>] mcount+0x14/0x18
Oct 14 15:35:52 swdev14 kernel: [<c0131d20>] _mutex_unlock+0xe/0x5e
Oct 14 15:35:52 swdev14 kernel: [<c0131cba>] _mutex_lock+0x29/0x3f
Oct 14 15:35:52 swdev14 kernel: [<c013186b>] autoremove_wake_function+0x0/0x57
Oct 14 15:35:52 swdev14 kernel: [<c0224c69>] sockfd_lookup+0x1f/0x74
Oct 14 15:35:52 swdev14 kernel: [<c0111d1c>] mcount+0x14/0x18
Oct 14 15:35:52 swdev14 kernel: [<c0226493>] sys_sendto+0xed/0x10c
Oct 14 15:35:52 swdev14 kernel: [<c0173221>] inode_times_differ+0x9/0x4a
Oct 14 15:35:52 swdev14 kernel: [<c017332a>] update_atime+0xc8/0xcd
Oct 14 15:35:52 swdev14 kernel: [<c01325d5>] __mcount+0x1d/0x21
Oct 14 15:35:52 swdev14 kernel: [<c02264bd>] sys_send+0xb/0x3f
Oct 14 15:35:52 swdev14 kernel: [<c0226d5e>] sys_socketcall+0x12e/0x239
Oct 14 15:35:52 swdev14 kernel: [<c0111d1c>] mcount+0x14/0x18
Oct 14 15:35:52 swdev14 kernel: [<c02264ed>] sys_send+0x3b/0x3f
Oct 14 15:35:52 swdev14 kernel: [<c0226d5e>] sys_socketcall+0x12e/0x239
Oct 14 15:35:52 swdev14 kernel: [<c0158cdd>] sys_read+0x78/0x7a
Oct 14 15:35:52 swdev14 kernel: [<c0106161>] sysenter_past_esp+0x52/0x71
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