Bug 157247 - bonding module with sk98lin module generates a huge amount of kernel messages
bonding module with sk98lin module generates a huge amount of kernel messages
Status: CLOSED WONTFIX
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel (Show other bugs)
4.0
i686 Linux
medium Severity medium
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Assigned To: John W. Linville
Brian Brock
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2005-05-09 15:33 EDT by Stephen Mah
Modified: 2007-11-30 17:07 EST (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Environment:
Last Closed: 2005-05-11 15:59:38 EDT
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Description Stephen Mah 2005-05-09 15:33:01 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20041118 Firefox/1.0

Description of problem:
The /var/log/messages file gets filled with the following kernel messages:
May  9 12:26:27 gds1 kernel:  [<f89b2e2d>] bond_mii_monitor+0x313/0x3b7 [bonding]
May  9 12:26:27 gds1 kernel:  [<f89b2b1a>] bond_mii_monitor+0x0/0x3b7 [bonding]
May  9 12:26:27 gds1 kernel:  [<c0128357>] run_timer_softirq+0x123/0x145
May  9 12:26:27 gds1 kernel:  [<c0124aa4>] __do_softirq+0x4c/0xb1
May  9 12:26:27 gds1 kernel:  [<c0107f39>] do_softirq+0x4f/0x56
May  9 12:26:27 gds1 kernel:  =======================
May  9 12:26:27 gds1 kernel:  [<c011633f>] smp_apic_timer_interrupt+0xd9/0xdd
May  9 12:26:27 gds1 kernel:  [<c02c6e3a>] apic_timer_interrupt+0x1a/0x20
May  9 12:26:27 gds1 kernel:  [<c01040e5>] mwait_idle+0x33/0x42
May  9 12:26:27 gds1 kernel:  [<c010409d>] cpu_idle+0x26/0x3b
May  9 12:26:27 gds1 kernel:  [<c0382784>] start_kernel+0x194/0x198
May  9 12:26:28 gds1 kernel: Debug: sleeping function called from invalid context at include/asm/uaccess.h:556
May  9 12:26:28 gds1 kernel: in_atomic():1[expected: 0], irqs_disabled():0
May  9 12:26:28 gds1 kernel:  [<c011e5ce>] __might_sleep+0x7d/0x87
May  9 12:26:28 gds1 kernel:  [<f8a0e430>] SkGeIoctl+0x3d/0x44d [sk98lin]
May  9 12:26:28 gds1 kernel:  [<c011b529>] activate_task+0x88/0x95
May  9 12:26:28 gds1 kernel:  [<f89b162f>] bond_update_speed_duplex+0x96/0xda [bonding]
May  9 12:26:28 gds1 kernel:  [<c011b496>] recalc_task_prio+0x128/0x133
May  9 12:26:28 gds1 kernel:  [<c011b529>] activate_task+0x88/0x95
May  9 12:26:28 gds1 kernel:  [<c011b9ad>] try_to_wake_up+0x225/0x230
May  9 12:26:28 gds1 kernel:  [<c0129a7d>] __group_send_sig_info+0x8f/0x98
May  9 12:26:28 gds1 kernel:  [<f89b2e2d>] bond_mii_monitor+0x313/0x3b7 [bonding]
May  9 12:26:28 gds1 kernel:  [<f89b2b1a>] bond_mii_monitor+0x0/0x3b7 [bonding]
May  9 12:26:28 gds1 kernel:  [<c0128357>] run_timer_softirq+0x123/0x145
May  9 12:26:28 gds1 kernel:  [<c0124aa4>] __do_softirq+0x4c/0xb1
May  9 12:26:28 gds1 kernel:  [<c0107f39>] do_softirq+0x4f/0x56




Version-Release number of selected component (if applicable):
kernel-2.6.9-5.0.5.ELsmp

How reproducible:
Always

Steps to Reproduce:
1. Configure bonding with atleast two sk98lin nic cards.
2. use bonding mode=5
3. ifup bond0
  

Actual Results:  /var/log/messages gets full of kernel messages. Non-stop messages at the console.

Expected Results:  minimal kernel messages

Additional info:

ethtool does not seem to work on the sk98lin module:
ethtool:
Running ethtool on the 3com syskonnect does not work:
ethtool eth0 (eth0 is using the sk98lin modules provided by the RHEL4 kernel)
Settings for eth0:
No data available

Running ethtool on the broadcom Tigon card seems to work
Comment 1 John W. Linville 2005-05-11 15:59:38 EDT
It looks like the sk98lin driver does not support either miitool or ethtool 
(or their supporting ioctls).  Passing the "use_carrier=1" option to the 
bonding module might work, except that the sk98lin driver also fails to 
properly use netif_carrier_{on|off} to set the link state flags.  So, I don't 
think there is any way to make miimon work w/ sk98lin slaves.  I would advise 
using arpmon with the bonding module instead. 
 

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