kern/48560: Panic in if_vlan.c on CURRENT

Tilman Linneweh tilman at arved.de
Wed May 21 01:10:16 PDT 2003


The following reply was made to PR kern/48560; it has been noted by GNATS.

From: Tilman Linneweh <tilman at arved.de>
To: freebsd-gnats-submit at FreeBSD.org, tilman at arved.de
Cc:  
Subject: Re: kern/48560: Panic in if_vlan.c on CURRENT
Date: Wed, 21 May 2003 10:05:41 +0200

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 FYI: This panic is still reproducable on a 5.1-BETA
 
 # routed; killall routed
 malloc() of "16" with the following non-sleepablelocks held:
 exclusive sleep mutex inp r = 0 (0xc1a58b60) locked @ /usr/src/sys/netinet/udp_usrreq.c:983
 exclusive sleep mutex udp r = 0 (0xc045328c) locked @ /usr/src/sys/netinet/udp_usrreq.c:977
 Debugger("witness_warn")
 Stopped at      Debugger+0x45:  xchgl   %ebx,in_Debugger.0
 
 db> trace
 Debugger(c037c890) at Debugger+0x45
 witness_warn(5,0,c03b97bc,c0393588) at witness_warn+0x179
 uma_zalloc_arg(c083aa20,0,2) at uma_zalloc_arg+0x3c
 malloc(c,c03fef00,2,c18b0400,0) at malloc+0xb6
 vlan_setmulti(c198c000,0,c03fe524,0,c039e8f9) at vlan_setmulti+0xd7
 vlan_ioctl(c198c000,80206932,0) at vlan_ioctl+0x29b
 if_delmulti(c198c000,c1990ee0) at if_delmulti+0x121
 in_delmulti(c18d7b80) at in_delmulti+0x68
 ip_freemoptions(c1acb180,c1a58ab0,c1b34d00,0,cd46ab74) at ip_freemoptions+0x21
 in_pcbdetach(c1a58ab0,c1897258,cd46ab8c,c0253bdb,c1b34d00) at in_pcbdetach+0x80
 udp_detach(c1b34d00) at udp_detach+0x65
 soclose(c1b34d00,cd46abf0,c020a66a,c1897258,c1d3d260) at soclose+0x11b
 soo_close(c1897258,c1d3d260) at soo_close+0x26
 fdrop_locked(c1897258,c1d3d260,c0429a34,0,c039d7dd) at fdrop_locked+0x12a
 fdrop(c1897258,c1d3d260,c02401d1,246,246) at fdrop+0x24
 closef(c1897258,c1d3d260) at closef+0xa7
 fdfree(c1d3d260,c1ded124,c1ded068,0,c039dc2e) at fdfree+0x85
 exit1(c1d3d260,8f00,c0428140,0,c039dc2e) at exit1+0x3a8
 sys_exit(c1d3d260,cd46ad14,1,2,292) at sys_exit+0x27
 syscall(2f,2f,2f,bfbffbdc,0) at syscall+0x1ed
 Xint0x80_syscall() at Xint0x80_syscall+0x1d
 
 
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