From: Nathan Zimmer <nzimmer@sgi.com>
To: Sean Young <sean@mess.org>
Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
gregkh@linuxfoundation.org, alan@linux.intel.com
Subject: Re: console issue since 3.6, console=ttyS1 hangs
Date: Fri, 21 Oct 2016 10:55:40 -0500 [thread overview]
Message-ID: <49f038af-5cb7-e76f-e4e9-57fad876710d@sgi.com> (raw)
In-Reply-To: <20161020201051.GA29324@gofer.mess.org>
It didn't seem to make a difference as far as output.
Did I miss a config option? or something else?
[ 0.000000] Linux version 3.6.0 (root@r1i2n0) (gcc version 4.3.4
[gcc-4_3-branch revision 152973] (SUSE Linux) ) #3 SMP Mon Oct 17
20:43:34 EDT 2016
[ 0.000000] Command line:
root=/dev/disk/by-id/ata-WDC_WD5000BHTZ-04JCPV1_WD-WXA1E54KKR60-part2
resume=/dev/disk/by-id/ata-WDC_WD5000BHTZ-04JCPV1_WD-WXA1E54KKR60-part1
crashkernel=256M-:128M loglevel=8 pnp.debug=1
...
[ 2.076084] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[ 2.097001] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
[ 2.097844] serial 00:04: unable to assign resources
[ 2.098303] serial: probe of 00:04 failed with error -16
On 10/20/2016 03:10 PM, Sean Young wrote:
> On Wed, Oct 19, 2016 at 05:13:41PM -0500, Nathan Zimmer wrote:
>> On 10/19/2016 04:07 AM, Sean Young wrote:
>>> So with 3.6.0:
>>>
>>>> [ 2.079980] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
>>>> [ 2.100887] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
>>>> [ 2.101715] serial 00:04: unable to assign resources
>>>> [ 2.102174] serial: probe of 00:04 failed with error -16
>>> The pnp probe fails for some reason. I don't understand why.
>>>
>>> With 3.7.0:
>>>
>>>> [ 2.062700] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
>>>> [ 2.063250] serial 00:04: [io 0x02f8-0x02ff]
>>>> [ 2.063875] serial 00:04: [irq 12]
>>>> [ 2.064345] serial 00:04: [dma 18446744073709551615 disabled]
>>>> [ 2.065540] serial 00:04: activated
>>>> [ 2.086442] 00:04: ttyS1 at I/O 0x2f8 (irq = 12) is a 16550A
>>> Now the pnp probe succeeds (with broken irq from pnp).
>>>
>>> Can you please check if there is a wrong irq configured in the bios setup
>>> or if there is a bios update available? I don't know why this worked in
>>> the first place.
>> Apparently this is the latest bios available for these nodes.
>> Also in the bios setup screens I don't see anything for changing irq numbers
>> for serial console.
>> But this is a cluster so sometimes thing get hidden to keep everything
>> uniform as possible.
>>
>> If you want to point me to the pnp probe code you would be suspicious of I
>> can try to debug and see what is going there.
> That would be great, thanks. A good start would be to boot 3.6.0 with
> "loglevel=7 pnp.debug=1" and hopefully that will show why the probe
> used to fail.
>
> Also, does the issue still exist with a more contemporary kernel?
>
>
> Sean
WARNING: multiple messages have this Message-ID (diff)
From: Nathan Zimmer <nzimmer@sgi.com>
To: Sean Young <sean@mess.org>
Cc: <linux-kernel@vger.kernel.org>, <linux-serial@vger.kernel.org>,
<gregkh@linuxfoundation.org>, <alan@linux.intel.com>
Subject: Re: console issue since 3.6, console=ttyS1 hangs
Date: Fri, 21 Oct 2016 10:55:40 -0500 [thread overview]
Message-ID: <49f038af-5cb7-e76f-e4e9-57fad876710d@sgi.com> (raw)
In-Reply-To: <20161020201051.GA29324@gofer.mess.org>
It didn't seem to make a difference as far as output.
Did I miss a config option? or something else?
[ 0.000000] Linux version 3.6.0 (root@r1i2n0) (gcc version 4.3.4
[gcc-4_3-branch revision 152973] (SUSE Linux) ) #3 SMP Mon Oct 17
20:43:34 EDT 2016
[ 0.000000] Command line:
root=/dev/disk/by-id/ata-WDC_WD5000BHTZ-04JCPV1_WD-WXA1E54KKR60-part2
resume=/dev/disk/by-id/ata-WDC_WD5000BHTZ-04JCPV1_WD-WXA1E54KKR60-part1
crashkernel=256M-:128M loglevel=8 pnp.debug=1
...
[ 2.076084] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[ 2.097001] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
[ 2.097844] serial 00:04: unable to assign resources
[ 2.098303] serial: probe of 00:04 failed with error -16
On 10/20/2016 03:10 PM, Sean Young wrote:
> On Wed, Oct 19, 2016 at 05:13:41PM -0500, Nathan Zimmer wrote:
>> On 10/19/2016 04:07 AM, Sean Young wrote:
>>> So with 3.6.0:
>>>
>>>> [ 2.079980] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
>>>> [ 2.100887] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
>>>> [ 2.101715] serial 00:04: unable to assign resources
>>>> [ 2.102174] serial: probe of 00:04 failed with error -16
>>> The pnp probe fails for some reason. I don't understand why.
>>>
>>> With 3.7.0:
>>>
>>>> [ 2.062700] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
>>>> [ 2.063250] serial 00:04: [io 0x02f8-0x02ff]
>>>> [ 2.063875] serial 00:04: [irq 12]
>>>> [ 2.064345] serial 00:04: [dma 18446744073709551615 disabled]
>>>> [ 2.065540] serial 00:04: activated
>>>> [ 2.086442] 00:04: ttyS1 at I/O 0x2f8 (irq = 12) is a 16550A
>>> Now the pnp probe succeeds (with broken irq from pnp).
>>>
>>> Can you please check if there is a wrong irq configured in the bios setup
>>> or if there is a bios update available? I don't know why this worked in
>>> the first place.
>> Apparently this is the latest bios available for these nodes.
>> Also in the bios setup screens I don't see anything for changing irq numbers
>> for serial console.
>> But this is a cluster so sometimes thing get hidden to keep everything
>> uniform as possible.
>>
>> If you want to point me to the pnp probe code you would be suspicious of I
>> can try to debug and see what is going there.
> That would be great, thanks. A good start would be to boot 3.6.0 with
> "loglevel=7 pnp.debug=1" and hopefully that will show why the probe
> used to fail.
>
> Also, does the issue still exist with a more contemporary kernel?
>
>
> Sean
next prev parent reply other threads:[~2016-10-21 15:55 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-17 14:49 console issue since 3.6, console=ttyS1 hangs Nathan Zimmer
2016-10-17 15:19 ` Sean Young
2016-10-17 16:41 ` Nathan Zimmer
2016-10-18 16:40 ` Nathan Zimmer
2016-10-18 18:05 ` Sean Young
2016-10-18 19:29 ` Nathan Zimmer
2016-10-19 9:07 ` Sean Young
2016-10-19 22:13 ` Nathan Zimmer
2016-10-19 22:13 ` Nathan Zimmer
2016-10-20 20:10 ` Sean Young
2016-10-21 15:55 ` Nathan Zimmer [this message]
2016-10-21 15:55 ` Nathan Zimmer
2016-10-24 13:52 ` Sean Young
2016-10-24 21:49 ` Nathan Zimmer
2016-10-25 20:41 ` Sean Young
2016-10-26 18:16 ` Nathan Zimmer
2016-10-26 18:16 ` Nathan Zimmer
2016-10-27 20:19 ` Sean Young
2016-10-28 19:42 ` Nathan Zimmer
2016-10-29 21:16 ` Sean Young
2016-10-30 16:01 ` Nathan
2016-10-30 16:01 ` Nathan
2016-10-28 19:55 ` Nathan
2016-10-28 19:55 ` Nathan
2016-10-30 15:33 ` Nathan
2016-10-30 15:33 ` Nathan
2016-10-31 20:27 ` Sean Young
2016-11-01 2:55 ` Peter Hurley
2016-11-02 15:29 ` Nathan Zimmer
2016-11-04 0:25 ` Peter Hurley
2016-11-04 21:33 ` Nathan Zimmer
2016-11-04 22:18 ` Peter Hurley
2016-11-05 23:44 ` Maciej W. Rozycki
2016-11-07 15:40 ` Nathan Zimmer
2016-11-22 15:30 ` Nathan Zimmer
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