Note for other dummies like me:
It looks like you need to have configured the kernel to use
the serial driver as a module, not builtin. I broke things
by trying to load the serial module with a kernel using a
builtin serial driver. Everything was ok once I rebuilt...
If you have a 16650V2:
Also, I happen to have 16650V2 uarts so I had problems with
the new setserial until I added "#define PORT_16650V2 7" before
the #ifdef PORT_16650V2.
Just in case you thought downloading something from an "alpha"
directory meant it was completely stable:
I have seen some new messages and scary kernel messages.
I'm copying the masq alias so others know that they might
find some glitches... and the kernel list that I'm not on,
so Theodore Ts'o get's some feedback.
------------- /var/log/messages ---------------
Mar 10 13:57:48 gw pppd[1029]: CCP: timeout sending Config-Requests
Mar 10 14:19:17 gw kernel: Unable to handle kernel NULL pointer dereference at virtual address c0000100
Mar 10 14:19:17 gw kernel: current->tss.cr3 = 00101000,
Mar 10 14:19:17 gw kernel: *pde = 00102067
Mar 10 14:19:17 gw kernel: *pte = 00000000
Mar 10 14:19:17 gw kernel: Oops: 0000
Mar 10 14:19:17 gw kernel: CPU: 0
Mar 10 14:19:17 gw kernel: EIP: 0010:[serial:serial_icr_read+1973/14784]
Mar 10 14:19:17 gw kernel: EFLAGS: 00010202
Mar 10 14:19:17 gw kernel: eax: 00000300 ebx: 0000001b ecx: 00000000 edx: 018203fb
Mar 10 14:19:17 gw kernel: esi: 00097edc edi: 00000004 ebp: 001b7528 esp: 001b7504
Mar 10 14:19:17 gw kernel: ds: 0018 es: 0018 fs: 002b gs: 0018 ss: 0018
Mar 10 14:19:17 gw kernel: Process swapper (pid: 0, process nr: 0, stackpage=001b55e0)
Mar 10 14:19:17 gw kernel: Stack: 0022b698 20000000 00000004 00000001 001b7534 0182ca34 00000000 00000000
Mar 10 14:19:17 gw kernel: 00000000 00009000 0010cafd 00000004 00000000 00000000 0006efe4 001b75bc
Mar 10 14:19:17 gw pppd[1029]: Hangup (SIGHUP)
Mar 10 14:19:17 gw pppd[1029]: Modem hangup
Mar 10 14:19:17 gw pppd[1029]: Connection terminated.
Mar 10 14:19:17 gw pppd[1029]: Exit.
Mar 10 14:19:17 gw pppd[1190]: Hangup (SIGHUP)
Mar 10 14:19:17 gw kernel: 00000000 0010bcef 00000004 fffffc18 001b7d94 0000001e ffff0018 ffff0018
Mar 10 14:19:17 gw kernel: Call Trace: [serial:unregister_serial_Rc013d717+8180/1484] [do_fast_IRQ+41/72] [fast_IRQ4_interrupt+59/96] [sys_idle+92/112] [system_call+85/124] [init+0/864] [setup_arch+208/668]
Mar 10 14:19:17 gw kernel: [start_kernel+453/464] [it_real_fn+0/72] [schedule+564/652]
Mar 10 14:19:17 gw kernel: Code: 8a 81 00 01 00 00 a8 02 74 51 f6 c3 10 74 68 24 fd 88 81 00
Mar 10 14:19:17 gw kernel: Aiee, killing interrupt handler
Mar 10 14:19:17 gw kernel: kfree of non-kmalloced memory: 001b7628, next= 00000000, order=0
Mar 10 14:19:17 gw kernel: kfree of non-kmalloced memory: 001b7618, next= 00000000, order=0
Mar 10 14:19:17 gw kernel: kfree of non-kmalloced memory: 001b7b2c, next= 00000000, order=0
Mar 10 14:19:17 gw kernel: idle task may not sleep
Mar 10 14:19:17 gw last message repeated 3 times
Mar 10 14:19:19 gw diald[717]: Link died on remote end.
Mar 10 14:19:17 gw kernel: idle task may not sleep
Mar 10 22:19:17 gw kerneld: error: exit: Identifier removed
Mar 10 14:19:23 gw diald[717]: Running connect (pid = 1207).
Mar 10 14:19:23 gw connect: Dialing system
Mar 10 14:20:09 gw chat[1209]: Failed
Mar 10 14:20:09 gw connect: Chat Timeout
Mar 10 14:20:09 gw diald[717]: Connect script failed.
Mar 10 14:20:10 gw diald[717]: Delaying 30 seconds before clear to dial.
Mar 10 14:20:40 gw diald[717]: Running connect (pid = 1211).
Mar 10 14:20:41 gw connect: Dialing system
Mar 10 14:20:42 gw connect: Connected
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