Date: Wed, 10 Mar 2021 14:15:04 +0100 From: Peter Holm <peter@holm.cc> To: Hans Petter Selasky <hps@selasky.org> Cc: current@freebsd.org Subject: Re: panic: malloc(M_WAITOK) with sleeping prohibited Message-ID: <20210310131504.GA78928@x8.osted.lan> In-Reply-To: <b152c075-7a37-8995-ceaa-775f4e0e6fdc@selasky.org> References: <20210310091548.GA76176@x8.osted.lan> <b77fbfc8-18b7-5a5f-24a0-1955da62aa68@selasky.org> <20210310114150.GA77805@x8.osted.lan> <b152c075-7a37-8995-ceaa-775f4e0e6fdc@selasky.org>
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On Wed, Mar 10, 2021 at 01:33:34PM +0100, Hans Petter Selasky wrote: > On 3/10/21 12:41 PM, Peter Holm wrote: > > On Wed, Mar 10, 2021 at 10:52:53AM +0100, Hans Petter Selasky wrote: > >> On 3/10/21 10:15 AM, Peter Holm wrote: > >>> I just got this panic: > >>> > >>> igb0: <Intel(R) PRO/1000 PCI-Express Network Driver> port 0xd020-0xd03f mem 0xfb320000-0xfb33ffff,0xfb344000-0xfb347fff irq 16 at device 0.0 on pci8 > >>> igb0: Using 1024 TX descriptors and 1024 RX descriptors > >>> igb0: queue equality override not set, capping rx_queues at 6 and tx_queues at 6 > >>> igb0: Using 6 RX queues 6 TX queues > >>> igb0: Using MSI-X interrupts with 7 vectors > >>> igb0: > >>> db> > >>> db> show panic > >>> panic: malloc(M_WAITOK) with sleeping prohibited > >>> db> bt > >>> Tracing pid 12 tid 100172 td 0xfffffe010dce2100 > >>> kdb_enter() at kdb_enter+0x37/frame 0xfffffe00e4f72980 > >>> vpanic() at vpanic+0x1b2/frame 0xfffffe00e4f729d0 > >>> panic() at panic+0x43/frame 0xfffffe00e4f72a30 > >>> malloc_dbg() at malloc_dbg+0xd4/frame 0xfffffe00e4f72a50 > >>> malloc() at malloc+0x34/frame 0xfffffe00e4f72ab0 > >>> linux_alloc_current() at linux_alloc_current+0x3d/frame 0xfffffe00e4f72b00 > >>> linux_irq_handler() at linux_irq_handler+0x3a/frame 0xfffffe00e4f72b20 > >>> ithread_loop() at ithread_loop+0x279/frame 0xfffffe00e4f72bb0 > >>> fork_exit() at fork_exit+0x80/frame 0xfffffe00e4f72bf0 > >>> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00e4f72bf0 > >>> --- trap 0, rip = 0, rsp = 0, rbp = 0 --- > >>> db> x/s version > >>> version: FreeBSD 14.0-CURRENT #0 main-n245371-ce53f92e6c81: Wed Mar 10 10:00:29 CET 2021\012 pho@mercat1.netperf.freebsd.org:/usr/src/sys/amd64/compile/PHO\012 > >>> db> > >> > >> This should fix it: > >> https://cgit.freebsd.org/src/commit/?id=d1cbe79089868226625c12ef49f51214d79aa427 > >> > >> --HPS > > > > Yes, thank you. Now I see this: > > > > ugen0.3: <vendor 0x0557 product 0x2419> at usbus0 > > ukbd0 on uhub3 > > ukbd0: <vendor 0x0557 product 0x2419, class 0/0, rev 1.10/1.00, addr 2> on usbus0 > > kbd2 at ukbd0 > > panic: malloc(M_WAITOK) with sleeping prohibited > > cpuid = 0 > > time = 1615375651 > > KDB: stack backtrace: > > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00e4974890 > > vpanic() at vpanic+0x181/frame 0xfffffe00e49748e0 > > panic() at panic+0x43/frame 0xfffffe00e4974940 > > malloc_dbg() at malloc_dbg+0xd4/frame 0xfffffe00e4974960 > > malloc() at malloc+0x34/frame 0xfffffe00e49749c0 > > linux_alloc_current() at linux_alloc_current+0x3d/frame 0xfffffe00e4974a10 > > linux_timer_callback_wrapper() at linux_timer_callback_wrapper+0x37/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 > > --- trap 0, rip = 0, rsp = 0, rbp = 0 --- > > KDB: enter: panic > > [ thread pid 12 tid 100088 ] > > Try this: > https://cgit.freebsd.org/src/commit/?id=dfb33cb0ef48084da84072244e8ca486dfcf3a96 > Works for me. Thank you! - Peter > There will be a more comprehensive fix coming: > https://reviews.freebsd.org/D29183 > > --HPS
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