Date: Thu, 24 Oct 2013 11:16:30 +0100 From: =?ISO-8859-1?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com> To: Outback Dingo <outbackdingo@gmail.com>, <current@freebsd.org> Subject: Re: CUREENT issue with ballon.c Message-ID: <5268F37E.9050004@citrix.com> In-Reply-To: <CAKYr3zyVXxL9A9wEY_KL8sp1yivAUG2gpK8daUMu%2BbeyU2b8pw@mail.gmail.com> References: <CAKYr3zyVXxL9A9wEY_KL8sp1yivAUG2gpK8daUMu%2BbeyU2b8pw@mail.gmail.com>
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On 24/10/13 03:02, Outback Dingo wrote: > --- trap 0, rip = 0, rsp = 0xfffffe00002c6b70, rbp = 0 --- > uma_zalloc_arg: zone "16" with the following non-sleepable locks held: > exclusive sleep mutex balloon_lock (balloon_lock) r = 0 > (0xffffffff816e9c58) locked @ /usr/src/sys/dev/xen/balloon/balloon.c:339 > exclusive sleep mutex balloon_mutex (balloon_mutex) r = 0 > (0xffffffff816e9c38) locked @ /usr/src/sys/dev/xen/balloon/balloon.c:373 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame > 0xfffffe00002c67c0 > kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe00002c6870 > witness_warn() at witness_warn+0x4a8/frame 0xfffffe00002c6930 > uma_zalloc_arg() at uma_zalloc_arg+0x3b/frame 0xfffffe00002c69a0 > malloc() at malloc+0x101/frame 0xfffffe00002c69f0 > balloon_process() at balloon_process+0x44a/frame 0xfffffe00002c6a70 > fork_exit() at fork_exit+0x84/frame 0xfffffe00002c6ab0 > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00002c6ab0 > --- trap 0, rip = 0, rsp = 0xfffffe00002c6b70, rbp = 0 --- > uma_zalloc_arg: zone "16" with the following non-sleepable locks held: > exclusive sleep mutex balloon_lock (balloon_lock) r = 0 > (0xffffffff816e9c58) locked @ /usr/src/sys/dev/xen/balloon/balloon.c:339 > exclusive sleep mutex balloon_mutex (balloon_mutex) r = 0 > (0xffffffff816e9c38) locked @ /usr/src/sys/dev/xen/balloon/balloon.c:373 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame > 0xfffffe00002c67c0 > kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe00002c6870 > witness_warn() at witness_warn+0x4a8/frame 0xfffffe00002c6930 > uma_zalloc_arg() at uma_zalloc_arg+0x3b/frame 0xfffffe00002c69a0 > malloc() at malloc+0x101/frame 0xfffffe00002c69f0 > balloon_process() at balloon_process+0x44a/frame 0xfffffe00002c6a70 > fork_exit() at fork_exit+0x84/frame 0xfffffe00002c6ab0 > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00002c6ab0 > --- trap 0, rip = 0, rsp = 0xfffffe00002c6b70, rbp = 0 --- > uma_zalloc_arg: zone "16" with the following non-sleepable locks held: Did you do anything specific to trigger the crash? Can you explain the steps needed to reproduce it?
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