Date: Thu, 13 Oct 2011 16:40:05 GMT From: "Wojciech A. Koszek" <wkoszek@freebsd.czest.pl> To: freebsd-net@FreeBSD.org Subject: Re: kern/157418: [em] em driver lockup during boot on Supermicro X9SCM-F Message-ID: <201110131640.p9DGe5Pk054637@freefall.freebsd.org>
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The following reply was made to PR kern/157418; it has been noted by GNATS. From: "Wojciech A. Koszek" <wkoszek@freebsd.czest.pl> To: bug-followup@freebsd.org, tomas@tutus.se Cc: Subject: Re: kern/157418: [em] em driver lockup during boot on Supermicro X9SCM-F Date: Thu, 13 Oct 2011 17:59:31 +0200 Hello, Looks like this is still present in FreeBSD 9.0-BETA3. Doesn't seem to cause any damage. It just shows a warning. I did limited testing: pinging remote side of a point-to-point Ethernet connection works. Full dmesg: http://freebsd.czest.pl/~wkoszek/stuff/freebsd/9.0-BETA3/dmesg.txt Interesting part: acquiring duplicate lock of same type: "network driver" 1st &dev_spec->swflag_mutex @ /usr/src/sys/dev/e1000/e1000_ich8lan.c:785 2nd &dev_spec->nvm_mutex @ /usr/src/sys/dev/e1000/e1000_ich8lan.c:751 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a kdb_backtrace() at kdb_backtrace+0x37 _witness_debugger() at _witness_debugger+0x2e witness_checkorder() at witness_checkorder+0x8de _mtx_lock_flags() at _mtx_lock_flags+0x79 e1000_acquire_nvm_ich8lan() at e1000_acquire_nvm_ich8lan+0x1e e1000_read_nvm_ich8lan() at e1000_read_nvm_ich8lan+0x76 e1000_post_phy_reset_ich8lan() at e1000_post_phy_reset_ich8lan+0x1b1 e1000_reset_hw_ich8lan() at e1000_reset_hw_ich8lan+0x4c1 em_attach() at em_attach+0x11bd device_attach() at device_attach+0x69 bus_generic_attach() at bus_generic_attach+0x1a acpi_pci_attach() at acpi_pci_attach+0x14f device_attach() at device_attach+0x69 bus_generic_attach() at bus_generic_attach+0x1a acpi_pcib_attach() at acpi_pcib_attach+0x1a7 acpi_pcib_acpi_attach() at acpi_pcib_acpi_attach+0x231 device_attach() at device_attach+0x69 bus_generic_attach() at bus_generic_attach+0x1a acpi_attach() at acpi_attach+0xbc5 device_attach() at device_attach+0x69 bus_generic_attach() at bus_generic_attach+0x1a nexus_acpi_attach() at nexus_acpi_attach+0x69 device_attach() at device_attach+0x69 bus_generic_new_pass() at bus_generic_new_pass+0xd6 bus_set_pass() at bus_set_pass+0x7a configure() at configure+0xa mi_startup() at mi_startup+0x77 btext() at btext+0x2c em0: Ethernet address: 5c:ff:35:0d:2b:ed ehci0: <Intel PCH USB 2.0 controller USB-B> mem 0xf2828000-0xf28283ff irq 23 at device 26.0 on pci0 -- Wojciech A. Koszek wkoszek@freebsd.czest.pl http://FreeBSD.czest.pl/~wkoszek/
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