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SubjectRe: 2.6.9-rc2-mm1
El Thu, 16 Sep 2004 02:40:20 -0700 Andrew Morton <akpm@osdl.org> escribió:

[...]

> -tty_io-hangup-locking.patch
> +tty-locking-for-269rc2.patch
> +tty-locking-for-269rc2-fixes.patch
>
> Alan's tty locking rework


I couldn't connect to internet, the connection didn't go beyond of...
Sep 16 15:01:51 estel chat[1235]: ATDTSOMETHING^M^M
Sep 16 15:01:51 estel chat[1235]: CONNECT
Sep 16 15:01:51 estel chat[1235]: -- got it
Sep 16 15:01:51 estel chat[1235]: send (\d)
Sep 16 15:01:52 estel pppd[1233]: Serial connection established.
^^^
here (the rest is from a working kernel)
Sep 16 15:01:52 estel pppd[1233]: using channel 1
Sep 16 15:01:52 estel pppd[1233]: Using interface ppp0
Sep 16 15:01:52 estel pppd[1233]: Connect: ppp0 <--> /dev/ttyS1

Unapplying those two patches quoted above made it work again, the box
is a smp 2xpentium3, the sysrq-t output of pppd was:
Sep 16 14:44:45 estel kernel: pppd S 00000000 0 1365 1 1323 (NOTLB)
Sep 16 14:44:45 estel kernel: db495e9c 00000086 c0116680 00000000 00000000 bffff978 ffff037f 43e740f2
Sep 16 14:44:45 estel kernel: 0000001b db8f2170 c0116680 de36b2a0 07a2d1a5 00000000 c1409f60 db8f22cc
Sep 16 14:44:45 estel kernel: db494000 d919f000 db495edc 00000003 c01b9739 00000000 db4221a8 c016308b
Sep 16 14:44:45 estel kernel: Call Trace:
Sep 16 14:44:45 estel kernel: [default_wake_function+0/16] default_wake_function+0x0/0x10
Sep 16 14:44:45 estel kernel: [default_wake_function+0/16] default_wake_function+0x0/0x10
Sep 16 14:44:45 estel kernel: [tty_set_ldisc+457/1232] tty_set_ldisc+0x1c9/0x4d0
Sep 16 14:44:45 estel kernel: [locks_delete_lock+91/256] locks_delete_lock+0x5b
/0x100
Sep 16 14:44:45 estel kernel: [autoremove_wake_function+0/80] autoremove_wake_function+0x0/0x50
Sep 16 14:44:45 estel kernel: [autoremove_wake_function+0/80] autoremove_wake_function+0x0/0x50
Sep 16 14:44:45 estel kernel: [serial8250_tx_empty+52/80] serial8250_tx_empty+0x34/0x50
Sep 16 14:44:45 estel kernel: [remove_wait_queue+23/112] remove_wait_queue+0x17/0x70
Sep 16 14:44:45 estel kernel: [tty_wait_until_sent+230/256] tty_wait_until_sent+0xe6/0x100
Sep 16 14:44:45 estel kernel: [default_wake_function+0/16] default_wake_function+0x0/0x10
Sep 16 14:44:45 estel kernel: [n_tty_open+0/160] n_tty_open+0x0/0xa0
Sep 16 14:44:45 estel kernel: [n_tty_close+0/48] n_tty_close+0x0/0x30
Sep 16 14:44:45 estel kernel: [n_tty_flush_buffer+0/96] n_tty_flush_buffer+0x0/0x60
Sep 16 14:44:45 estel kernel: [n_tty_chars_in_buffer+0/128] n_tty_chars_in_buffer+0x0/0x80
Sep 16 14:44:45 estel kernel: [read_chan+0/2000] read_chan+0x0/0x7d0
Sep 16 14:44:45 estel kernel: [write_chan+0/560] write_chan+0x0/0x230
Sep 16 14:44:45 estel kernel: [n_tty_ioctl+0/896] n_tty_ioctl+0x0/0x380
Sep 16 14:44:45 estel kernel: [n_tty_set_termios+0/480] n_tty_set_termios+0x0/0x1e0
Sep 16 14:44:45 estel kernel: [normal_poll+0/331] normal_poll+0x0/0x14b
Sep 16 14:44:45 estel kernel: [n_tty_receive_buf+0/3728] n_tty_receive_buf+0x0/0xe90
Sep 16 14:44:45 estel kernel: [n_tty_receive_room+0/64] n_tty_receive_room+0x0/0x40
Sep 16 14:44:45 estel kernel: [n_tty_write_wakeup+0/48] n_tty_write_wakeup+0x0/0x30
Sep 16 14:44:45 estel kernel: [sys_ioctl+255/624] sys_ioctl+0xff/0x270
Sep 16 14:44:45 estel kernel: [sysenter_past_esp+82/113] sysenter_past_esp+0x52/0x71
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