Date: Wed, 23 Oct 2019 09:39:36 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Konstantin Belousov <kostikbel@gmail.com>, net@freebsd.org Subject: Re: Still em(4) broken with epoch changes Message-ID: <19e28a07-9e41-3d68-84aa-2422ff2b7f6e@selasky.org> In-Reply-To: <20191023073317.GP73312@kib.kiev.ua> References: <20191023073317.GP73312@kib.kiev.ua>
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On 2019-10-23 09:33, Konstantin Belousov wrote: > I tried to netboot my test box today with r353914 kernel, and still I get > the following panic on machine attempt to start multiuser: > > Feeding entropy: . > lo0: link state changed to UP > uhub0: 3 ports with 3 removable, self powered > uhub1: 3 ports with 3 removable, self powered > panic: sleeping in an epoch section > cpuid = 7 > time = 1571815747 > KDB: stack backtrace: > db_trace_self_wrapper() at 0xffffffff802d070b = db_trace_self_wrapper+0x2b/frame 0xfffffe000ee9fba0 > vpanic() at 0xffffffff803b79bd = vpanic+0x19d/frame 0xfffffe000ee9fbf0 > panic() at 0xffffffff803b7753 = panic+0x43/frame 0xfffffe000ee9fc50 > _sleep() at 0xffffffff803c38b5 = _sleep+0x4a5/frame 0xfffffe000ee9fcf0 > pause_sbt() at 0xffffffff803c3cff = pause_sbt+0x10f/frame 0xfffffe000ee9fd30 > e1000_write_phy_reg_mdic() at 0xffffffff80d1332e = e1000_write_phy_reg_mdic+0xee/frame 0xfffffe000ee9fd70 > e1000_enable_phy_wakeup_reg_access_bm() at 0xffffffff80d16b6b = e1000_enable_phy_wakeup_reg_access_bm+0x2b/frame 0xfffffe000ee9fd90 > e1000_update_mc_addr_list_pch2lan() at 0xffffffff80d3119a = e1000_update_mc_addr_list_pch2lan+0x3a/frame 0xfffffe000ee9fdd0 > em_if_multi_set() at 0xffffffff80d0cb49 = em_if_multi_set+0x1c9/frame 0xfffffe000ee9fe20 > iflib_if_ioctl() at 0xffffffff80d87b70 = iflib_if_ioctl+0x100/frame 0xfffffe000ee9fe90 > if_addmulti() at 0xffffffff804b1e9f = if_addmulti+0x2af/frame 0xfffffe000ee9ff30 > in6_joingroup_locked() at 0xffffffff8058094e = in6_joingroup_locked+0x2ee/frame 0xfffffe000eea0030 > in6_joingroup() at 0xffffffff80580634 = in6_joingroup+0x44/frame 0xfffffe000eea0060 > in6_update_ifa() at 0xffffffff80579c4c = in6_update_ifa+0x177c/frame 0xfffffe000eea0210 > nd6_ra_input() at 0xffffffff8059fd7f = nd6_ra_input+0x108f/frame 0xfffffe000eea04b0 > icmp6_input() at 0xffffffff8057359a = icmp6_input+0x69a/frame 0xfffffe000eea0640 > ip6_input() at 0xffffffff8058b63e = ip6_input+0xb2e/frame 0xfffffe000eea0720 > netisr_dispatch_src() at 0xffffffff804bb84a = netisr_dispatch_src+0x9a/frame 0xfffffe000eea0790 > ether_demux() at 0xffffffff804b6d0f = ether_demux+0x15f/frame 0xfffffe000eea07c0 > ether_nh_input() at 0xffffffff804b814f = ether_nh_input+0x39f/frame 0xfffffe000eea0810 > netisr_dispatch_src() at 0xffffffff804bb84a = netisr_dispatch_src+0x9a/frame 0xfffffe000eea0880 > ether_input() at 0xffffffff804b71d8 = ether_input+0x58/frame 0xfffffe000eea08d0 > _task_fn_rx() at 0xffffffff80d83610 = _task_fn_rx+0xb20/frame 0xfffffe000eea09e0 > gtaskqueue_run_locked() at 0xffffffff80402819 = gtaskqueue_run_locked+0xf9/frame 0xfffffe000eea0a30 > gtaskqueue_thread_loop() at 0xffffffff804025d8 = gtaskqueue_thread_loop+0x88/frame 0xfffffe000eea0a60 > fork_exit() at 0xffffffff8037b31c = fork_exit+0xcc/frame 0xfffffe000eea0ab0 > fork_trampoline() at 0xffffffff8063114e = fork_trampoline+0xe/frame 0xfffffe000eea0ab0 > --- trap 0, rip = 0, rsp = 0, rbp = 0 --- > KDB: enter: panic > [ thread pid 0 tid 100024 ] > Stopped at 0xffffffff80403cfb = kdb_enter+0x3b: movq $0,0xffffffff808e3968 = kdb_why > > Can we please get this sorted out ? PR is here: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241223 --HPS
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