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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