Re: sky2 or acpi problem ?

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Lionel Landwerlin wrote:


Hi,
we already had words on lkml about this bug with sky2 driver.

I was having problems, and you told me to use the disable_msi=1
parameter to see what happens. After a couple of hours of testing with
heavly ethernet load, I answered you it had fixed the problem. I was
wrong. Now, it takes much more time to crash. Most of time, I can't even
see what happens beacause the box is completly frozen. But after several
crashs, I only had my keyboard locked, usb unpowered, and ethernet
interface down, I finally had the possibility see that :

Feb  1 18:35:06 cocoduo kernel: [59723.468000] NETDEV WATCHDOG: eth0: transmit timed out
Feb  1 18:35:07 cocoduo kernel: [59723.468000] sky2 eth0: tx timeout
Feb  1 18:35:07 cocoduo kernel: [59723.468000] sky2 eth0: transmit ring 64 .. 41 report=65 done=65
Feb  1 18:35:07 cocoduo kernel: [59723.468000] sky2 status report lost?
Feb  1 18:35:16 cocoduo kernel: [59733.200000] BUG: soft lockup detected on CPU#0!
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [softlockup_tick+155/208] softlockup_tick+0x9b/0xd0
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [update_process_times+49/128] update_process_times+0x31/0x80
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [smp_apic_timer_interrupt+145/176] smp_apic_timer_interrupt+0x91/0xb0
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [apic_timer_interrupt+31/36] apic_timer_interrupt+0x1f/0x24
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [_spin_lock_bh+15/32] _spin_lock_bh+0xf/0x20
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [pg0+945481365/1068803072] sky2_tx_timeout+0xf5/0x1d0 [sky2]
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [dev_watchdog+0/208] dev_watchdog+0x0/0xd0
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [dev_watchdog+192/208] dev_watchdog+0xc0/0xd0
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [run_timer_softirq+273/400] run_timer_softirq+0x111/0x190
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [__do_softirq+116/240] __do_softirq+0x74/0xf0
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [do_softirq+59/80] do_softirq+0x3b/0x50
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [smp_apic_timer_interrupt+150/176] smp_apic_timer_interrupt+0x96/0xb0
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [apic_timer_interrupt+31/36] apic_timer_interrupt+0x1f/0x24
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [pg0+943208348/1068803072] acpi_processor_idle+0x1fd/0x3b9 [processor]
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [cpu_idle+116/208] cpu_idle+0x74/0xd0
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [start_kernel+872/1072] start_kernel+0x368/0x430
Feb  1 18:35:16 cocoduo kernel: [59733.200000]  [unknown_bootoption+0/624] unknown_bootoption+0x0/0x270

It's exactly the same error than before. What do you think of this
trace ? Is it related to sky2 driver or acpi ? Did you add debug output
since 2.6.19.2 (version of the kernel I'm using) that would help to fix
that bug ? What can I do to help to fix the bug ?

Regards,

Same(?) problem here. I am not sure what causes it - happens once in a while (once in every day?) Once I got "no route to host", after which I had to reboot to get the interface working again. But the latest was this:


Jan 31 19:15:34 tc kernel: sky2 eth0: tx timeout
Jan 31 19:15:34 tc kernel: sky2 status report lost?
Jan 31 19:15:34 tc kernel: BUG: spinlock recursion on CPU#0, swapper/0 (Not tainted) Jan 31 19:15:34 tc kernel: lock: f73b2a00, .magic: dead4ead, .owner: swapper/0, .owner_cpu: 0 
Jan 31 19:15:34 tc kernel: [<c0405018>] dump_trace+0x69/0x1b6
Jan 31 19:15:34 tc kernel: [<c040517d>] show_trace_log_lvl+0x18/0x2c
Jan 31 19:15:34 tc kernel: [<c0405778>] show_trace+0xf/0x11
Jan 31 19:15:34 tc kernel: [<c0405875>] dump_stack+0x15/0x17
Jan 31 19:15:34 tc kernel: [<c04f3925>] _raw_spin_lock+0x35/0xdc
Jan 31 19:15:34 tc kernel: [<f899bd63>] sky2_tx_timeout+0xe9/0x191 [sky2]
Jan 31 19:15:34 tc kernel: [<c05d5a2c>] dev_watchdog+0x77/0xb9
Jan 31 19:15:34 tc kernel: [<c0430cef>] run_timer_softirq+0x105/0x16c
Jan 31 19:15:34 tc kernel: [<c042c041>] __do_softirq+0x5a/0xbb
Jan 31 19:15:34 tc kernel: [<c0406435>] do_softirq+0x55/0xb5
Jan 31 19:15:34 tc kernel: =======================
Jan 31 19:15:43 tc kernel: BUG: soft lockup detected on CPU#0!
Jan 31 19:15:43 tc kernel: [<c0405018>] dump_trace+0x69/0x1b6
Jan 31 19:15:43 tc kernel: [<c040517d>] show_trace_log_lvl+0x18/0x2c
Jan 31 19:15:43 tc kernel: [<c0405778>] show_trace+0xf/0x11
Jan 31 19:15:43 tc kernel: [<c0405875>] dump_stack+0x15/0x17
Jan 31 19:15:43 tc kernel: [<c04522c5>] softlockup_tick+0xad/0xc4
Jan 31 19:15:43 tc kernel: [<c0430d8f>] update_process_times+0x39/0x5c
Jan 31 19:15:43 tc kernel: [<c0419f5a>] smp_apic_timer_interrupt+0x95/0xb3
Jan 31 19:15:43 tc kernel: [<c0404a57>] apic_timer_interrupt+0x1f/0x24
Jan 31 19:15:43 tc kernel: [<c04f395f>] _raw_spin_lock+0x6f/0xdc
Jan 31 19:15:43 tc kernel: [<f899bd63>] sky2_tx_timeout+0xe9/0x191 [sky2]
Jan 31 19:15:43 tc kernel: [<c05d5a2c>] dev_watchdog+0x77/0xb9
Jan 31 19:15:43 tc kernel: [<c0430cef>] run_timer_softirq+0x105/0x16c
Jan 31 19:15:43 tc kernel: [<c042c041>] __do_softirq+0x5a/0xbb
Jan 31 19:15:43 tc kernel: [<c0406435>] do_softirq+0x55/0xb5
Jan 31 19:15:43 tc kernel: =======================
Jan 31 19:16:10 tc kernel: BUG: spinlock lockup on CPU#0, swapper/0, f73b2a00 (Not tainted) 
Jan 31 19:16:10 tc kernel: [<c0405018>] dump_trace+0x69/0x1b6
Jan 31 19:16:10 tc kernel: [<c040517d>] show_trace_log_lvl+0x18/0x2c
Jan 31 19:16:10 tc kernel: [<c0405778>] show_trace+0xf/0x11
Jan 31 19:16:10 tc kernel: [<c0405875>] dump_stack+0x15/0x17
Jan 31 19:16:10 tc kernel: [<c04f39af>] _raw_spin_lock+0xbf/0xdc
Jan 31 19:16:10 tc kernel: [<f899bd63>] sky2_tx_timeout+0xe9/0x191 [sky2]
Jan 31 19:16:10 tc kernel: [<c05d5a2c>] dev_watchdog+0x77/0xb9
Jan 31 19:16:10 tc kernel: [<c0430cef>] run_timer_softirq+0x105/0x16c
Jan 31 19:16:10 tc kernel: [<c042c041>] __do_softirq+0x5a/0xbb
Jan 31 19:16:10 tc kernel: [<c0406435>] do_softirq+0x55/0xb5
Jan 31 19:16:10 tc kernel: =======================
Jan 31 19:17:14 tc named[2334]: *** POKED TIMER ***

At this time I tried ifdown eth0, which completely froze the computer.
I am running 2.6.19-1.2895.fc6, and this is an E6600 in a Gigabyte 965P-DS3 (with the default Marvell 88E8053). 

I have idle=poll now, according to this thread:

http://www.gossamer-threads.com/lists/linux/kernel/725399


No lockup so far, but I only have this setting since yesterday...

- Fagzal
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