Date: Sun, 6 Nov 2016 18:54:09 +0100 From: Michael Tuexen <tuexen@freebsd.org> To: freebsd-scsi@freebsd.org Subject: mpt driver issue? Message-ID: <4398FA07-AABF-441E-A412-42BABCD59444@freebsd.org> References: <CA9B9B19-5311-4A4E-87ED-8771C1000BEC@freebsd.org>
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Dear all, it was suggested on current@ to forward this to freebsd-scsi@ The problem shows up since r308268 and it looks like an issue in the mpt driver... Best regards Michael > Begin forwarded message: >=20 > From: Michael Tuexen <tuexen@freebsd.org> > Subject: New warnings from WITNESS > Date: 6 November 2016 at 12:50:12 GMT+1 > To: FreeBSD Current <freebsd-current@freebsd.org> >=20 > Dear all, >=20 > when booting a recent kernel >=20 > [freebsd12:~] tuexen% uname -a > FreeBSD freebsd12.testbed 12.0-CURRENT FreeBSD 12.0-CURRENT #702 = r308359M: Sun Nov 6 11:55:17 CET 2016 = tuexen@freebsd12.testbed:/usr/home/tuexen/head/sys/amd64/compile/SCTP = amd64 >=20 > on a VMWare Fusion VM, I get a lot of warnings like >=20 > bus_dmamap_create with the following non-sleepable locks held: > exclusive sleep mutex mpt (mpt) r =3D 0 (0xfffffe0000e2f008) locked @ = dev/mpt/mpt.c:2287 > stack backtrace: > #0 0xffffffff80ac0300 at witness_debugger+0x70 > #1 0xffffffff80ac15e7 at witness_warn+0x3d7 > #2 0xffffffff81055fef at bus_dmamap_create+0x2f > #3 0xffffffff80678a25 at mpt_configure_ioc+0x3a5 > #4 0xffffffff80677476 at mpt_attach+0x226 > #5 0xffffffff80683299 at mpt_pci_attach+0x9c9 > #6 0xffffffff80a9478d at device_attach+0x41d > #7 0xffffffff80a9595a at bus_generic_attach+0x4a > #8 0xffffffff806ebe75 at pci_attach+0xd5 > #9 0xffffffff80a9478d at device_attach+0x41d > #10 0xffffffff80a9595a at bus_generic_attach+0x4a > #11 0xffffffff803c11a2 at acpi_pcib_acpi_attach+0x402 > #12 0xffffffff80a9478d at device_attach+0x41d > #13 0xffffffff80a9595a at bus_generic_attach+0x4a > #14 0xffffffff803b4c8f at acpi_attach+0xdbf > #15 0xffffffff80a9478d at device_attach+0x41d > #16 0xffffffff80a9595a at bus_generic_attach+0x4a > #17 0xffffffff80ee03e3 at nexus_acpi_attach+0x73 > bus_dmamap_create with the following non-sleepable locks held: > exclusive sleep mutex mpt (mpt) r =3D 0 (0xfffffe0000e2f008) locked @ = dev/mpt/mpt.c:2287 > stack backtrace: > #0 0xffffffff80ac0300 at witness_debugger+0x70 > #1 0xffffffff80ac15e7 at witness_warn+0x3d7 > #2 0xffffffff81055fef at bus_dmamap_create+0x2f > #3 0xffffffff80678a25 at mpt_configure_ioc+0x3a5 > #4 0xffffffff80677476 at mpt_attach+0x226 > #5 0xffffffff80683299 at mpt_pci_attach+0x9c9 > #6 0xffffffff80a9478d at device_attach+0x41d > #7 0xffffffff80a9595a at bus_generic_attach+0x4a > #8 0xffffffff806ebe75 at pci_attach+0xd5 > #9 0xffffffff80a9478d at device_attach+0x41d > #10 0xffffffff80a9595a at bus_generic_attach+0x4a > #11 0xffffffff803c11a2 at acpi_pcib_acpi_attach+0x402 > #12 0xffffffff80a9478d at device_attach+0x41d > #13 0xffffffff80a9595a at bus_generic_attach+0x4a > #14 0xffffffff803b4c8f at acpi_attach+0xdbf > #15 0xffffffff80a9478d at device_attach+0x41d > #16 0xffffffff80a9595a at bus_generic_attach+0x4a > #17 0xffffffff80ee03e3 at nexus_acpi_attach+0x73 > bus_dmamap_create with the following non-sleepable locks held: > exclusive sleep mutex mpt (mpt) r =3D 0 (0xfffffe0000e2f008) locked @ = dev/mpt/mpt.c:2287 > stack backtrace: > #0 0xffffffff80ac0300 at witness_debugger+0x70 > #1 0xffffffff80ac15e7 at witness_warn+0x3d7 > #2 0xffffffff81055fef at bus_dmamap_create+0x2f > #3 0xffffffff80678a25 at mpt_configure_ioc+0x3a5 > #4 0xffffffff80677476 at mpt_attach+0x226 > #5 0xffffffff80683299 at mpt_pci_attach+0x9c9 > #6 0xffffffff80a9478d at device_attach+0x41d > #7 0xffffffff80a9595a at bus_generic_attach+0x4a > #8 0xffffffff806ebe75 at pci_attach+0xd5 > #9 0xffffffff80a9478d at device_attach+0x41d > #10 0xffffffff80a9595a at bus_generic_attach+0x4a > #11 0xffffffff803c11a2 at acpi_pcib_acpi_attach+0x402 > #12 0xffffffff80a9478d at device_attach+0x41d > #13 0xffffffff80a9595a at bus_generic_attach+0x4a > #14 0xffffffff803b4c8f at acpi_attach+0xdbf > #15 0xffffffff80a9478d at device_attach+0x41d > #16 0xffffffff80a9595a at bus_generic_attach+0x4a > #17 0xffffffff80ee03e3 at nexus_acpi_attach+0x73 > bus_dmamap_create with the following non-sleepable locks held: > exclusive sleep mutex mpt (mpt) r =3D 0 (0xfffffe0000e2f008) locked @ = dev/mpt/mpt.c:2287 > stack backtrace: > #0 0xffffffff80ac0300 at witness_debugger+0x70 > #1 0xffffffff80ac15e7 at witness_warn+0x3d7 > #2 0xffffffff81055fef at bus_dmamap_create+0x2f > #3 0xffffffff80678a25 at mpt_configure_ioc+0x3a5 > #4 0xffffffff80677476 at mpt_attach+0x226 > #5 0xffffffff80683299 at mpt_pci_attach+0x9c9 > #6 0xffffffff80a9478d at device_attach+0x41d > #7 0xffffffff80a9595a at bus_generic_attach+0x4a > #8 0xffffffff806ebe75 at pci_attach+0xd5 > #9 0xffffffff80a9478d at device_attach+0x41d > #10 0xffffffff80a9595a at bus_generic_attach+0x4a > #11 0xffffffff803c11a2 at acpi_pcib_acpi_attach+0x402 > #12 0xffffffff80a9478d at device_attach+0x41d > #13 0xffffffff80a9595a at bus_generic_attach+0x4a > #14 0xffffffff803b4c8f at acpi_attach+0xdbf > #15 0xffffffff80a9478d at device_attach+0x41d > #16 0xffffffff80a9595a at bus_generic_attach+0x4a > #17 0xffffffff80ee03e3 at nexus_acpi_attach+0x73 >=20 > ... and so on. Not sure which revision introduced it... >=20 > Best regards > Michael > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to = "freebsd-current-unsubscribe@freebsd.org"
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