konstantin at antselovich
Jun 19, 2006, 2:46 PM
Post #3 of 3
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Re: Infinite interrupt loop, INTSTAT = 8 ( WAS: BUG: spinlock recursion on CPU, kernel 2.6.16.20 & 2.6.16-1.2122_FC5[smp])
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on 06/19/2006 02:57 AM Chuck Ebbert said:
> In-Reply-To: <4491933C.7060100 [at] antselovich>
>
> On Thu, 15 Jun 2006 10:05:00 -0700, Konstantin Antselovich wrote:
>
>> Jun 10 00:57:35 192.168.0.201 BUG: spinlock recursion on CPU#2, swapper/0
<skip>
> Please try 2.6.17. The spinlock was removed.
>
Thanks! Yes, spinlock recursion bug has gone away in 2.6.17.
But other some problems evolved: when I take a HDD out then push it
right back, kernel freezes and the following messages are logged:
---(see detailed log in attachment)---
Jun 19 13:52:05 192.168.0.201 Infinite interrupt loop, INTSTAT = 8
Jun 19 13:52:05 192.168.0.201 scsi0: At time of recovery, card was paused
Jun 19 13:52:05 192.168.0.201 >>>>>>>>>>>>>>>>>> Dump Card State Begins
<<<<<<<<<<<<<<<<<
Jun 19 13:52:05 192.168.0.201 scsi0: Dumping Card State at program
address 0x0 Mode 0x33
Jun 19 13:52:05 192.168.0.201 Card was paused
------
because SCSI Card is paused for quite a while, other HDDs are put
offline, md1 on which / partition resides (3 disks raid5) array brakes
as 2nd HDD is lost.
After some more scsi messages are logged, other issue with networking
pops up (see below). At that point top shows 100% CPU is taken by event
kernel thread, machine locks and I had to push restart.
----
Jun 19 13:53:18 192.168.0.6 kernel: BUG: warning at
include/net/dst.h:154/dst_release()
Jun 19 13:53:18 192.168.0.6 kernel: <c0293b7e> __kfree_skb+0x30/0xce
<c0293c52> skb_queue_purge+0xa/0x17
Jun 19 13:53:18 192.168.0.6 kernel: <c02a51bb>
pfifo_fast_reset+0x14/0x2f <c02a495a> qdisc_reset+0x10/0x11
Jun 19 13:53:18 192.168.0.6 kernel: <c02a49f8> dev_deactivate+0x26/0x76
<c029ee51> linkwatch_run_queue+0x121/0x141
Jun 19 13:53:18 192.168.0.6 kernel: <c029ee93>
linkwatch_event+0x22/0x27 <c012ee7a> run_workqueue+0x7f/0xba
Jun 19 13:53:18 192.168.0.6 kernel: <c029ee71> linkwatch_event+0x0/0x27
<c012f682> worker_thread+0x0/0x106
Jun 19 13:53:18 192.168.0.6 kernel: <c012f757> worker_thread+0xd5/0x106
<c011bf79> default_wake_function+0x0/0xc
Jun 19 13:53:18 192.168.0.6 kernel: <c0131bfd> kthread+0x9d/0xc9
<c0131b60> kthread+0x0/0xc9
Jun 19 13:53:18 192.168.0.6 kernel: <c0102005> kernel_thread_helper+0x5/0xb
----
Let me know if more info is needed.
Thanks,
Konstantin
--
Konstantin Antselovich
mailto: konstantin [at] antselovich
http://konstantin.antselovich.com
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dmesg.2006-06-10.txt
smicro-2.6.17.log
