Messages in this thread | | | Date | Wed, 31 Dec 2003 05:52:27 -0500 | Subject | [2.6.0-mm2] slab corruption during packet flood on e100 | From | Lennert Buytenhek <> |
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Hi,
When routing a large stream of UDP packets through this machine, coming in on eth1 (e100), headed towards dummy0, I get a flood of slab corruption messages a la below. Box is a 2-way HT SMP machine.
Is this a known problem with the e100 driver perhaps?
thanks, Lennert
Dec 31 11:42:05 phi kernel: Slab corruption: start=306ef74c, expend=306eff4b, problemat=306ef75e Dec 31 11:42:05 phi kernel: Last user: [<02279033>](kfree_skbmem+0x13/0x30) Dec 31 11:42:05 phi kernel: Data: *[snip]*28 A0 *[snip]* Dec 31 11:42:05 phi kernel: *[snip]* Dec 31 11:42:05 phi kernel: *[snip]*A5 Dec 31 11:42:05 phi kernel: Next: 71 F0 2C .33 90 27 02 ************************ Dec 31 11:42:05 phi kernel: slab error in check_poison_obj(): cache `size-2048': object was modified after freeing Dec 31 11:42:05 phi kernel: Call Trace: Dec 31 11:42:05 phi kernel: [<0214bee9>] check_poison_obj+0x109/0x1a0 Dec 31 11:42:05 phi kernel: [<0214dfb1>] __kmalloc+0x211/0x270 Dec 31 11:42:05 phi kernel: [<02278e07>] alloc_skb+0x47/0xf0 Dec 31 11:42:05 phi kernel: [<02278e07>] alloc_skb+0x47/0xf0 Dec 31 11:42:05 phi kernel: [<42b4671e>] e100_poll+0x1ae/0x6c0 [e100] Dec 31 11:42:05 phi kernel: [<0210e1e8>] do_nmi+0x38/0x60 Dec 31 11:42:05 phi kernel: [<0227dff5>] net_rx_action+0x85/0x140 Dec 31 11:42:05 phi kernel: [<0212cff7>] do_softirq+0xc7/0xd0 Dec 31 11:42:06 phi kernel: [<0210efaa>] do_IRQ+0x11a/0x160 Dec 31 11:42:06 phi kernel: [<02126c10>] remove_wait_queue+0x50/0x80 Dec 31 11:42:06 phi kernel: [<0217a2ee>] poll_freewait+0x2e/0x50 Dec 31 11:42:06 phi kernel: [<0217b0fc>] sys_poll+0x22c/0x260 Dec 31 11:42:06 phi kernel: [<0217a310>] __pollwait+0x0/0xd0 Dec 31 11:42:06 phi kernel:
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