WARN with 3c905 boomerang NIC

DISCUSSION Doug Nazar 4 participants 4 messages Aug 22, 2010 – Aug 30, 2010

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Doug Nazar

author

2010-08-22 06:35 UTC #0 lore raw

Since de85d99eb7b595f6751550184b94c1e2f74a828b (netpoll: Fix RCU
usage) I've been getting the follow warning:

Aug 20 22:33:26 dryad kernel: [   64.263065] ------------[ cut here ]------------
Aug 20 22:33:26 dryad kernel: [   64.263089] WARNING: at /usr/src/linux/kernel/softirq.c:143 local_bh_enable+0x58/0x82()
Aug 20 22:33:26 dryad kernel: [   64.263095] Hardware name: OptiPlex GX240
Aug 20 22:33:26 dryad kernel: [   64.263099] Modules linked in: rpcsec_gss_krb5 softdog snd_intel8x0 snd_ac97_codec 8250_pnp ac97_bu
Aug 20 22:33:26 dryad kernel: [   64.263234] Pid: 5892, comm: runscript.sh Not tainted 2.6.36-rc1-00133-g47ade1d #43
Aug 20 22:33:26 dryad kernel: [   64.263238] Call Trace:
Aug 20 22:33:26 dryad kernel: [   64.263251]  [<c12a492e>] ? printk+0x18/0x1a
Aug 20 22:33:26 dryad kernel: [   64.263263]  [<c102a015>] warn_slowpath_common+0x67/0x8e
Aug 20 22:33:26 dryad kernel: [   64.263271]  [<c102ee76>] ? local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [   64.263277]  [<c102ee76>] ? local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [   64.263285]  [<c102a059>] warn_slowpath_null+0x1d/0x1f
Aug 20 22:33:26 dryad kernel: [   64.263292]  [<c102ee76>] local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [   64.263301]  [<c12399e5>] netif_rx+0x14f/0x172
Aug 20 22:33:26 dryad kernel: [   64.263315]  [<e20e8f0f>] boomerang_rx+0x27a/0x42f [3c59x]
Aug 20 22:33:26 dryad kernel: [   64.263328]  [<c10a369b>] ? path_put+0x20/0x23
Aug 20 22:33:26 dryad kernel: [   64.263342]  [<e20eadfb>] boomerang_interrupt+0xd9/0x2b7 [3c59x]
Aug 20 22:33:26 dryad kernel: [   64.263361]  [<c105651c>] handle_IRQ_event+0x3e/0x13e
Aug 20 22:33:26 dryad kernel: [   64.263369]  [<c1057c6e>] handle_fasteoi_irq+0x3c/0x89
Aug 20 22:33:26 dryad kernel: [   64.263378]  [<c1004e58>] handle_irq+0x18/0x30
Aug 20 22:33:26 dryad kernel: [   64.263385]  [<c10048cb>] do_IRQ+0x34/0x97
Aug 20 22:33:26 dryad kernel: [   64.263392]  [<c10037a9>] common_interrupt+0x29/0x30
Aug 20 22:33:26 dryad kernel: [   64.263398] ---[ end trace 511646352388ce9c ]---

The card is an:
02:0c.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78)

Doug

David Miller

maintainer

2010-08-22 07:46 UTC #1 lore raw

From: Doug Nazar <[email protected]>
Date: Sun, 22 Aug 2010 02:35:02 -0400

Quoted 28 lines

Since de85d99eb7b595f6751550184b94c1e2f74a828b (netpoll: Fix RCU usage) I've been getting the follow warning:

Aug 20 22:33:26 dryad kernel: [ 64.263065] ------------[ cut here
]------------
Aug 20 22:33:26 dryad kernel: [ 64.263089] WARNING: at
/usr/src/linux/kernel/softirq.c:143 local_bh_enable+0x58/0x82()
Aug 20 22:33:26 dryad kernel: [ 64.263095] Hardware name: OptiPlex
GX240
Aug 20 22:33:26 dryad kernel: [ 64.263099] Modules linked in:
rpcsec_gss_krb5 softdog snd_intel8x0 snd_ac97_codec 8250_pnp ac97_bu
Aug 20 22:33:26 dryad kernel: [ 64.263234] Pid: 5892, comm:
runscript.sh Not tainted 2.6.36-rc1-00133-g47ade1d #43
Aug 20 22:33:26 dryad kernel: [   64.263238] Call Trace:
Aug 20 22:33:26 dryad kernel: [ 64.263251] [<c12a492e>] ?
printk+0x18/0x1a
Aug 20 22:33:26 dryad kernel: [ 64.263263] [<c102a015>]
warn_slowpath_common+0x67/0x8e
Aug 20 22:33:26 dryad kernel: [ 64.263271] [<c102ee76>] ?
local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [ 64.263277] [<c102ee76>] ?
local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [ 64.263285] [<c102a059>]
warn_slowpath_null+0x1d/0x1f
Aug 20 22:33:26 dryad kernel: [ 64.263292] [<c102ee76>]
local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [ 64.263301] [<c12399e5>]
netif_rx+0x14f/0x172
Aug 20 22:33:26 dryad kernel: [ 64.263315] [<e20e8f0f>]

Quoted 1 line

boomerang_rx+0x27a/0x42f [3c59x]

...

Yes we know about this and are working on a solution.

Maciej Rutecki

2010-08-26 18:32 UTC #2 lore raw

In reply to Doug Nazar

Quoted 43 lines · On niedziela, 22 sierpnia 2010 o 08:35:02 Doug Nazar wrote:

Since de85d99eb7b595f6751550184b94c1e2f74a828b (netpoll: Fix RCU
usage) I've been getting the follow warning:

Aug 20 22:33:26 dryad kernel: [   64.263065] ------------[ cut here
]------------
Aug 20 22:33:26 dryad kernel: [   64.263089] WARNING: at
/usr/src/linux/kernel/softirq.c:143 local_bh_enable+0x58/0x82()
Aug 20 22:33:26 dryad kernel: [   64.263095] Hardware name: OptiPlex GX240
Aug 20 22:33:26 dryad kernel: [   64.263099] Modules linked in:
rpcsec_gss_krb5 softdog snd_intel8x0 snd_ac97_codec 8250_pnp ac97_bu
Aug 20 22:33:26 dryad kernel: [   64.263234] Pid: 5892, comm:
runscript.sh Not tainted 2.6.36-rc1-00133-g47ade1d #43
Aug 20 22:33:26 dryad kernel: [   64.263238] Call Trace:
Aug 20 22:33:26 dryad kernel: [   64.263251]  [<c12a492e>] ?
printk+0x18/0x1a
Aug 20 22:33:26 dryad kernel: [   64.263263]  [<c102a015>]
warn_slowpath_common+0x67/0x8e
Aug 20 22:33:26 dryad kernel: [   64.263271]  [<c102ee76>] ?
local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [   64.263277]  [<c102ee76>] ?
local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [   64.263285]  [<c102a059>]
warn_slowpath_null+0x1d/0x1f
Aug 20 22:33:26 dryad kernel: [   64.263292]  [<c102ee76>]
local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [   64.263301]  [<c12399e5>]
netif_rx+0x14f/0x172
Aug 20 22:33:26 dryad kernel: [   64.263315]  [<e20e8f0f>]
boomerang_rx+0x27a/0x42f [3c59x]
Aug 20 22:33:26 dryad kernel: [   64.263328]  [<c10a369b>] ?
path_put+0x20/0x23
Aug 20 22:33:26 dryad kernel: [   64.263342]  [<e20eadfb>]
boomerang_interrupt+0xd9/0x2b7 [3c59x]
Aug 20 22:33:26 dryad kernel: [   64.263361]  [<c105651c>]
handle_IRQ_event+0x3e/0x13e
Aug 20 22:33:26 dryad kernel: [   64.263369]  [<c1057c6e>]
handle_fasteoi_irq+0x3c/0x89
Aug 20 22:33:26 dryad kernel: [   64.263378]  [<c1004e58>]
handle_irq+0x18/0x30
Aug 20 22:33:26 dryad kernel: [   64.263385]  [<c10048cb>] do_IRQ+0x34/0x97
Aug 20 22:33:26 dryad kernel: [   64.263392]  [<c10037a9>]
common_interrupt+0x29/0x30
Aug 20 22:33:26 dryad kernel: [   64.263398] ---[ end trace

Quoted 6 lines

511646352388ce9c ]---
The card is an:
02:0c.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78)

I created a Bugzilla entry at
https://bugzilla.kernel.org/show_bug.cgi?id=17131
for your bug report, please add your address to the CC list in there, thanks!

Signature · 2 lines

Maciej Rutecki
http://www.maciek.unixy.pl

Paul E. McKenney

2010-08-30 18:48 UTC #3 lore raw

In reply to Doug Nazar

Quoted 2 lines · Doug Nazar

Since de85d99eb7b595f6751550184b94c1e2f74a828b (netpoll: Fix RCU
usage) I've been getting the follow warning:

This one is on my list, thank you for checking!

Thanx, Paul

Quoted 53 lines

Aug 20 22:33:26 dryad kernel: [   64.263065] ------------[ cut here
]------------
Aug 20 22:33:26 dryad kernel: [   64.263089] WARNING: at
/usr/src/linux/kernel/softirq.c:143 local_bh_enable+0x58/0x82()
Aug 20 22:33:26 dryad kernel: [   64.263095] Hardware name: OptiPlex GX240
Aug 20 22:33:26 dryad kernel: [   64.263099] Modules linked in:
rpcsec_gss_krb5 softdog snd_intel8x0 snd_ac97_codec 8250_pnp ac97_bu
Aug 20 22:33:26 dryad kernel: [   64.263234] Pid: 5892, comm:
runscript.sh Not tainted 2.6.36-rc1-00133-g47ade1d #43
Aug 20 22:33:26 dryad kernel: [   64.263238] Call Trace:
Aug 20 22:33:26 dryad kernel: [   64.263251]  [<c12a492e>] ?
printk+0x18/0x1a
Aug 20 22:33:26 dryad kernel: [   64.263263]  [<c102a015>]
warn_slowpath_common+0x67/0x8e
Aug 20 22:33:26 dryad kernel: [   64.263271]  [<c102ee76>] ?
local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [   64.263277]  [<c102ee76>] ?
local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [   64.263285]  [<c102a059>]
warn_slowpath_null+0x1d/0x1f
Aug 20 22:33:26 dryad kernel: [   64.263292]  [<c102ee76>]
local_bh_enable+0x58/0x82
Aug 20 22:33:26 dryad kernel: [   64.263301]  [<c12399e5>]
netif_rx+0x14f/0x172
Aug 20 22:33:26 dryad kernel: [   64.263315]  [<e20e8f0f>]
boomerang_rx+0x27a/0x42f [3c59x]
Aug 20 22:33:26 dryad kernel: [   64.263328]  [<c10a369b>] ?
path_put+0x20/0x23
Aug 20 22:33:26 dryad kernel: [   64.263342]  [<e20eadfb>]
boomerang_interrupt+0xd9/0x2b7 [3c59x]
Aug 20 22:33:26 dryad kernel: [   64.263361]  [<c105651c>]
handle_IRQ_event+0x3e/0x13e
Aug 20 22:33:26 dryad kernel: [   64.263369]  [<c1057c6e>]
handle_fasteoi_irq+0x3c/0x89
Aug 20 22:33:26 dryad kernel: [   64.263378]  [<c1004e58>]
handle_irq+0x18/0x30
Aug 20 22:33:26 dryad kernel: [   64.263385]  [<c10048cb>] do_IRQ+0x34/0x97
Aug 20 22:33:26 dryad kernel: [   64.263392]  [<c10037a9>]
common_interrupt+0x29/0x30
Aug 20 22:33:26 dryad kernel: [   64.263398] ---[ end trace

511646352388ce9c ]---

The card is an:
02:0c.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78)

Doug

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