Date: Wed, 16 Sep 2015 09:54:06 +0300 From: "Andriy Voskoboinyk" <s3erios@gmail.com> To: freebsd-wireless@freebsd.org Subject: Re: urtwn and hostap Message-ID: <op.x41msguqiew4ia@localhost> In-Reply-To: <55F906CB.9030007@shrew.net> References: <55F90187.10809@shrew.net> <55F906CB.9030007@shrew.net>
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> ieee80211_free_node() at ieee80211_free_node()_0x38/frame > 0xfffffe0092fe8780 > ieee80211_node_vdetach() at ieee80211_node_vdetach()+0x2d/frame > 0xfffffe0092fe87a0 > ieee80211_vap_detach() at ieee80211_vap_detach()+0x35e/frame > 0xfffffe0092fe87d0 > urtwn_vap_delete() at urtwn_vap_delete()+0xe/frame 0xfffffe0092fe87f0 > if_clone_destroyif() at if_clone_destroyif()+0x1aa/frame > 0xfffffe0092fe8840 > if_clone_destroy() at if_clone_destroy()0x8e/frame 0xfffffe0092fe8860 > kern_ioctl() at kern_ioctl()+0x230/frame 0xfffffe0092fe88c0 > sys_ioctl() at sys_ioctl()+0x153/frame 0xfffffe0092fe89a0 > amd64_syscall() at amd64_syscall()+0x282/frame 0xfffffe0092fe8ab0 > Xfast_syscall() at Xfast_syscall()+0xfb/frame 0xfffffe0092fe8ab0 > -- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8011e8c8a, rsp = > 0x7fffffffe2f8, rbp = 0x7fffffffe310 -- > db> > > -Matthew I'm suspecting that ieee80211_tx_complete() eats one extra reference to the vap->iv_bss - try to add ieee80211_node_incref(vap->iv_bss); before urtwn_tx_start() (this is not a proper solution, but should work for now).
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