3.7.0 cat /sys/bus/pnp/drivers/serial/*/resources state = active io 0x2f8-0x2ff irq 12 dma disabled 3.6.0 :~ # cat /sys/bus/pnp/drivers/serial/*/resources cat: /sys/bus/pnp/drivers/serial/*/resources: No such file or directory Which is intresting. So I thought tacking on "tail /sys/devices/pnp0/*/resources" might be helpful. On Mon, Oct 17, 2016 at 11:41:40AM -0500, Nathan Zimmer wrote: > Ok I'll get that sometime tomorrow. Right now they pulled it down maintenance... > > On Mon, Oct 17, 2016 at 04:19:07PM +0100, Sean Young wrote: > > On Mon, Oct 17, 2016 at 09:49:51AM -0500, Nathan Zimmer wrote: > > > A cluster client recently tried to update from Sles11 to Sles12 and found in > > > some cases the boxes would hang in early boot. It came down to console=ttyS1 > > > on the command line. After a bisection I found it happended in here: > > > > > > commit 835d844d1a28efba81d5aca7385e24c29d3a6db2 > > > Author: Sean Young <sean@xxxxxxxx> > > > Date: Fri Sep 7 19:06:23 2012 +0100 > > > > > > 8250_pnp: do pnp probe before legacy probe > > > > > > > > > I found I can revert the part of the patch in 8250.c (now 8250_core.c) and > > > the hangs do not happen. > > > > > > Bios of the offending box ( I don't know if there a bios update ) > > > Version 2.15.1234. Copyright (C) 2012 American Megatrends, Inc. > > > BIOS Date: 02/05/2014 13:45:09 > > > Ver: ma2e2054.16I > > > > > > I don't have much more info but will collect anything that is asked. > > > Any help would be appeciated. > > > > The console output would be helpful (both before 3.6 and with 3.6). It > > could be that what the bios provides in pnp does not match the actual > > config. > > > > The output of: > > > > cat /sys/bus/pnp/drivers/serial/*/resources > > > > Would be helpful, thanks. > > > > > > Sean
==> /sys/devices/pnp0/00:00/resources <== bus 0x0-0x7e io 0xcf8-0xcff io 0x0-0x3af window io 0x3e0-0xcf7 window io 0x3b0-0x3df window io 0xd00-0x9fff window mem 0xa0000-0xbffff window mem 0xc0000-0xdffff window mem 0x90000000-0xe7ffffff window mem 0x380000000000-0x380fffffffff window ==> /sys/devices/pnp0/00:01/resources <== state = active mem 0xfc000000-0xfcffffff mem 0xfd000000-0xfdffffff mem 0xfe000000-0xfeafffff mem 0xfeb00000-0xfebfffff mem 0xfed00400-0xfed3ffff mem 0xfed45000-0xfedfffff ==> /sys/devices/pnp0/00:02/resources <== state = active mem 0xe7ffc000-0xe7ffdfff ==> /sys/devices/pnp0/00:03/resources <== state = active io disabled io 0xa00-0xa1f ==> /sys/devices/pnp0/00:04/resources <== state = disabled ==> /sys/devices/pnp0/00:05/resources <== state = active dma 4 io 0x0-0xf io 0x81-0x83 io 0x87-0x87 io 0x89-0x8b io 0x8f-0x8f io 0xc0-0xdf ==> /sys/devices/pnp0/00:06/resources <== state = active io 0x70-0x71 irq 8 ==> /sys/devices/pnp0/00:07/resources <== state = active io 0x61-0x61 ==> /sys/devices/pnp0/00:08/resources <== io 0x65-0x6f io 0x72-0x7f io 0x80-0x80 io 0x84-0x86 io 0x88-0x88 io 0x8c-0x8e io 0x90-0x9f io 0xa2-0xbf io 0xe0-0xef io 0x4d0-0x4d1 ==> /sys/devices/pnp0/00:09/resources <== state = active io 0xf0-0xff irq 13 ==> /sys/devices/pnp0/00:0a/resources <== state = active io 0xca2-0xca2 io 0xca3-0xca3 ==> /sys/devices/pnp0/00:0b/resources <== state = active io 0x400-0x453 io 0x458-0x47f io 0x1180-0x119f io 0x500-0x57f mem 0xfed1c000-0xfed1ffff mem 0xfec00000-0xfecfffff mem 0xfed08000-0xfed08fff mem 0xff000000-0xffffffff ==> /sys/devices/pnp0/00:0c/resources <== state = active io 0x454-0x457 ==> /sys/devices/pnp0/00:0d/resources <== state = active mem 0xfed00000-0xfed003ff ==> /sys/devices/pnp0/00:0e/resources <== state = active bus 0x7f-0x7f ==> /sys/devices/pnp0/00:0f/resources <== state = active bus 0x80-0xfe io 0x0-0x0 window io 0xa000-0xffff window mem 0x0-0x0 window mem 0xe8000000-0xfbffffff window mem 0x381000000000-0x381fffffffff window ==> /sys/devices/pnp0/00:10/resources <== state = active ==> /sys/devices/pnp0/00:11/resources <== state = active mem 0xfbffe000-0xfbffffff ==> /sys/devices/pnp0/00:12/resources <== state = active bus 0xff-0xff setserial /dev/ttyS0, UART: unknown, Port: 0x03f8, IRQ: 4 /dev/ttyS1, UART: 16550A, Port: 0x02f8, IRQ: 3 /dev/ttyS2, UART: unknown, Port: 0x03e8, IRQ: 4 /dev/ttyS3, UART: unknown, Port: 0x02e8, IRQ: 3
==> /sys/devices/pnp0/00:00/resources <== bus 0x0-0x7e io 0xcf8-0xcff io 0x0-0x3af window io 0x3e0-0xcf7 window io 0x3b0-0x3df window io 0xd00-0x9fff window mem 0xa0000-0xbffff window mem 0xc0000-0xdffff window mem 0x90000000-0xe7ffffff window mem 0x380000000000-0x380fffffffff window ==> /sys/devices/pnp0/00:01/resources <== state = active mem 0xfc000000-0xfcffffff mem 0xfd000000-0xfdffffff mem 0xfe000000-0xfeafffff mem 0xfeb00000-0xfebfffff mem 0xfed00400-0xfed3ffff mem 0xfed45000-0xfedfffff ==> /sys/devices/pnp0/00:02/resources <== state = active mem 0xe7ffc000-0xe7ffdfff ==> /sys/devices/pnp0/00:03/resources <== state = active io disabled io 0xa00-0xa1f ==> /sys/devices/pnp0/00:04/resources <== state = active io 0x2f8-0x2ff irq 12 dma disabled ==> /sys/devices/pnp0/00:05/resources <== state = active dma 4 io 0x0-0xf io 0x81-0x83 io 0x87-0x87 io 0x89-0x8b io 0x8f-0x8f io 0xc0-0xdf ==> /sys/devices/pnp0/00:06/resources <== state = active io 0x70-0x71 irq 8 ==> /sys/devices/pnp0/00:07/resources <== state = active io 0x61-0x61 ==> /sys/devices/pnp0/00:08/resources <== io 0x65-0x6f io 0x72-0x7f io 0x80-0x80 io 0x84-0x86 io 0x88-0x88 io 0x8c-0x8e io 0x90-0x9f io 0xa2-0xbf io 0xe0-0xef io 0x4d0-0x4d1 ==> /sys/devices/pnp0/00:09/resources <== state = active io 0xf0-0xff irq 13 ==> /sys/devices/pnp0/00:0a/resources <== state = active io 0xca2-0xca2 io 0xca3-0xca3 ==> /sys/devices/pnp0/00:0b/resources <== state = active io 0x400-0x453 io 0x458-0x47f io 0x1180-0x119f io 0x500-0x57f mem 0xfed1c000-0xfed1ffff mem 0xfec00000-0xfecfffff mem 0xfed08000-0xfed08fff mem 0xff000000-0xffffffff ==> /sys/devices/pnp0/00:0c/resources <== state = active io 0x454-0x457 ==> /sys/devices/pnp0/00:0d/resources <== state = active mem 0xfed00000-0xfed003ff ==> /sys/devices/pnp0/00:0e/resources <== state = active bus 0x7f-0x7f ==> /sys/devices/pnp0/00:0f/resources <== state = active bus 0x80-0xfe io 0x0-0x0 window io 0xa000-0xffff window mem 0x0-0x0 window mem 0xe8000000-0xfbffffff window mem 0x381000000000-0x381fffffffff window ==> /sys/devices/pnp0/00:10/resources <== state = active ==> /sys/devices/pnp0/00:11/resources <== state = active mem 0xfbffe000-0xfbffffff ==> /sys/devices/pnp0/00:12/resources <== state = active bus 0xff-0xff setserial /dev/ttyS0, UART: unknown, Port: 0x03f8, IRQ: 4 /dev/ttyS1, UART: 16550A, Port: 0x02f8, IRQ: 12 /dev/ttyS2, UART: unknown, Port: 0x03e8, IRQ: 4 /dev/ttyS3, UART: unknown, Port: 0x02e8, IRQ: 3
