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Date: Tue, 24 Oct 2006 16:31:44 +0200 From: Frank van Maarseveen <frankvm@...nkvm.com> To: linux-kernel@...r.kernel.org Subject: 2.6.17.13 on i386: tg3 related slab corruption 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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