Re: Panic potentially related to imgacct_shell.c commit

From: Tai-hwa Liang <avatar_at_mmlab.cse.yzu.edu.tw>
Date: Wed, 22 Jun 2005 19:45:42 +0800 (CST)
On Tue, 21 Jun 2005, Khetan Gajjar wrote:
[...]
> (kgdb) backtrace
> 165             __asm __volatile("movl %%fs:0,%0" : "=r" (td));
> #0  doadump () at pcpu.h:165
> #1  0xc04f9568 in boot (howto=260) at ../../../kern/kern_shutdown.c:397
> #2  0xc04f987d in panic (fmt=0xc069d6ac "cur != NULL")
>    at ../../../kern/kern_shutdown.c:553
> #3  0xc0593a4c in tcp_sack_option (tp=0xc23c0730, th=0xd4400aac,
>    cp=0xc242da66 "\005\022\002Nu\020\002Nz\223\002N\200\026\002N¬.\223¦T\222!¸Ï+zYã¬+<Û\031\016Öñêî1£\006\177~\017A·\221æºu\227$Ñ9Tõ\232ÿ\003\024\234îÅs¦a\206¨e\236ôLZÔï\r] imapd[8272]: login: dustpuppy.is.co.za[19", optlen=0)
>    at ../../../netinet/tcp_sack.c:478
> #4  0xc0591a3b in tcp_dooptions (tp=0xc23c0730, to=0xd4400bb4,
>    cp=0xc242da66 "\005\022\002Nu\020\002Nz\223\002N\200\026\002N¬.\223¦T\222!¸Ï+zYã¬+<Û\031\016Öñêî1£\006\177~\017A·\221æºu\227$Ñ9Tõ\232ÿ\003\024\234îÅs¦a\206¨e\236ôLZÔï\r] imapd[8272]: login: dustpuppy.is.co.za[19", cnt=18, is_syn=0,
>    th=0xc242da44) at ../../../netinet/tcp_input.c:2647

Try "sysctl net.inet.tcp.sack.enable=0" to see if that helps.
Received on Wed Jun 22 2005 - 09:45:43 UTC

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