frankvm at frankvm
Oct 24, 2006, 7:31 AM
Post #1 of 1
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2.6.17.13 on i386: tg3 related slab corruption
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On three different machine I catched this:
2.6.17.13:
Oct 24 08:26:41 lahti kernel: Slab corruption: start=c2750ef8, len=2048
Oct 24 08:26:41 lahti kernel: Redzone: 0x5a2cf071/0x5a2cf071.
Oct 24 08:26:41 lahti kernel: Last user: [release_mem+232/496](release_mem+0xe8/0x1f0)
Oct 24 08:26:41 lahti kernel: 0b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b ff ff ff ff
Oct 24 08:26:41 lahti kernel: 0c0: 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Oct 24 08:26:41 lahti kernel: Prev obj: start=c27506ec, len=2048
Oct 24 08:26:41 lahti kernel: Redzone: 0x170fc2a5/0x170fc2a5.
Oct 24 08:26:41 lahti kernel: Last user: [tg3_alloc_rx_skb+123/368](tg3_alloc_rx_skb+0x7b/0x170)
Oct 24 08:26:41 lahti kernel: 000: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
Oct 24 08:26:41 lahti kernel: 010: 5a 5a 00 13 72 ad 5b ba 00 50 56 00 02 d6 08 06
Oct 24 08:26:41 lahti kernel: Next obj: start=c2751704, len=2048
Oct 24 08:26:41 lahti kernel: Redzone: 0x170fc2a5/0x170fc2a5.
Oct 24 08:26:41 lahti kernel: Last user: [tg3_alloc_rx_skb+123/368](tg3_alloc_rx_skb+0x7b/0x170)
Oct 24 08:26:41 lahti kernel: 000: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
Oct 24 08:26:41 lahti kernel: 010: 5a 5a 00 13 72 ad 5b ba 00 0e 0c bc 74 a5 08 00
2.6.17.8:
Oct 24 16:06:20 jaala kernel: Slab corruption: start=e582d0c4, len=2048
Oct 24 16:06:20 jaala kernel: Redzone: 0x5a2cf071/0x5a2cf071.
Oct 24 16:06:20 jaala kernel: Last user: [release_mem+232/496](release_mem+0xe8/0x1f0)
Oct 24 16:06:20 jaala kernel: 0b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b ff ff ff ff
Oct 24 16:06:20 jaala kernel: 0c0: 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Oct 24 16:06:20 jaala kernel: Prev obj: start=e582c8b8, len=2048
Oct 24 16:06:20 jaala kernel: Redzone: 0x170fc2a5/0x170fc2a5.
Oct 24 16:06:20 jaala kernel: Last user: [tg3_alloc_rx_skb+123/368](tg3_alloc_rx_skb+0x7b/0x170)
Oct 24 16:06:20 jaala kernel: 000: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
Oct 24 16:06:20 jaala kernel: 010: 5a 5a 00 14 22 4c b1 01 00 12 3f 84 84 fe 08 00
2.6.17.13:
Oct 5 18:02:28 espoo kernel: Slab corruption: start=c221cb78, len=2048
Oct 5 18:02:28 espoo kernel: Redzone: 0x5a2cf071/0x5a2cf071.
Oct 5 18:02:28 espoo kernel: Last user: [release_mem+232/496](release_mem+0xe8/0x1f0)
Oct 5 18:02:28 espoo kernel: 0b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b ff ff ff ff
Oct 5 18:02:28 espoo kernel: 0c0: 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Oct 5 18:02:28 espoo kernel: Prev obj: start=c221c36c, len=2048
Oct 5 18:02:28 espoo kernel: Redzone: 0x170fc2a5/0x170fc2a5.
Oct 5 18:02:28 espoo kernel: Last user: [tg3_alloc_rx_skb+123/368](tg3_alloc_rx_skb+0x7b/0x170)
Oct 5 18:02:28 espoo kernel: 000: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
Oct 5 18:02:28 espoo kernel: 010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
Oct 5 18:02:28 espoo kernel: Next obj: start=c221d384, len=2048
Oct 5 18:02:28 espoo kernel: Redzone: 0x170fc2a5/0x170fc2a5.
Oct 5 18:02:28 espoo kernel: Last user: [tg3_alloc_rx_skb+123/368](tg3_alloc_rx_skb+0x7b/0x170)
Oct 5 18:02:28 espoo kernel: 000: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
Oct 5 18:02:28 espoo kernel: 010: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
Since I saw some other discussions regarding TSO: According to ethtool it is off.
--
Frank
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