Date: Thu, 25 Feb 2016 19:07:21 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-wireless@FreeBSD.org Subject: [Bug 207497] [net80211]: 'uma_zalloc_arg: zone "32" with non-sleepable locks held' when 'sysctl net.wlan.devices' is executed Message-ID: <bug-207497-21060@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D207497 Bug ID: 207497 Summary: [net80211]: 'uma_zalloc_arg: zone "32" with non-sleepable locks held' when 'sysctl net.wlan.devices' is executed Product: Base System Version: 11.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: wireless Assignee: freebsd-wireless@FreeBSD.org Reporter: avos@freebsd.org How-to-reproduce: # sysctl net.wlan.devices <some output here> In dmesg: uma_zalloc_arg: zone "32" with the following non-sleepable locks held: exclusive sleep mutex ieee80211com list (ieee80211com list) r =3D 0 (0xb08e= 15a4) locked @ /usr/src/sys/modules/wlan/../../net80211/ieee80211.c:275 stack backtrace: #0 0xa06fd7c5 at witness_debugger+0x75 #1 0xa06fe9a8 at witness_warn+0x338 #2 0xa083807a at uma_zalloc_arg+0x3a #3 0xa0684678 at malloc+0x218 #4 0xa06e9fe3 at sbuf_extend+0x63 #5 0xa06e9e2d at sbuf_put_bytes+0x6d #6 0xa06ea352 at sbuf_putc_func+0x22 #7 0xa06e5b0b at kvprintf+0x99b #8 0xa06ea3ab at sbuf_printf+0x4b #9 0xb08667cf at sysctl_ieee80211coms+0xef #10 0xa06b0bcd at sysctl_root_handler_locked+0xad #11 0xa06b03e2 at sysctl_root+0x1d2 #12 0xa06b094a at userland_sysctl+0x17a #13 0xa06b0788 at sys___sysctl+0x98 #14 0xa0899378 at syscall+0x388 #15 0xa0884e7f at Xint0x80_syscall+0x2f --=20 You are receiving this mail because: You are the assignee for the bug.=
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