Date: Thu, 11 Mar 2021 21:36:30 +0100 From: Peter Holm <pho@freebsd.org> To: Mark Johnston <markj@freebsd.org> Cc: current@freebsd.org Subject: Re: panic: malloc(M_WAITOK) with sleeping prohibited with main-n245383-15565e0a2177 Message-ID: <20210311203630.GA99255@x8.osted.lan> In-Reply-To: <YEpZsoZKOnXbXgBZ@nuc> References: <20210311173213.GA97802@x8.osted.lan> <YEpZsoZKOnXbXgBZ@nuc>
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On Thu, Mar 11, 2021 at 12:56:02PM -0500, Mark Johnston wrote: > On Thu, Mar 11, 2021 at 06:32:13PM +0100, Peter Holm wrote: > > I just got this panic: > > > > panic: malloc(M_WAITOK) with sleeping prohibited > > cpuid = 0 > > time = 1615472733 > > KDB: stack backtrace: > > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00e49748b0 > > vpanic() at vpanic+0x181/frame 0xfffffe00e4974900 > > panic() at panic+0x43/frame 0xfffffe00e4974960 > > malloc_dbg() at malloc_dbg+0xd4/frame 0xfffffe00e4974980 > > malloc() at malloc+0x34/frame 0xfffffe00e49749e0 > > g_mirror_event_send() at g_mirror_event_send+0x30/frame 0xfffffe00e4974a30 > > softclock_call_cc() at softclock_call_cc+0x15d/frame 0xfffffe00e4974b00 > > softclock() at softclock+0x66/frame 0xfffffe00e4974b20 > > ithread_loop() at ithread_loop+0x279/frame 0xfffffe00e4974bb0 > > fork_exit() at fork_exit+0x80/frame 0xfffffe00e4974bf0 > > fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00e4974bf0 > > > > https://people.freebsd.org/~pho/stress/log/log0078.txt > > Hi Peter, > > Could you try the patch here? https://reviews.freebsd.org/D29223 This fixed the problem for me. I ran the problem test for an hour and then the rest of the g_mirror tests. No problems seen. - Peter
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