Date: Mon, 17 Jul 2017 16:24:34 -0700 From: Mark Johnston <markj@FreeBSD.org> To: Mark Martinec <Mark.Martinec+freebsd@ijs.si> Cc: freebsd-stable@freebsd.org Subject: Re: The 11.1-RC3 can only boot and attach disks in "Safe mode", otherwise gets stuck attaching Message-ID: <20170717232434.GB21048@wkstn-mjohnston.west.isilon.com> In-Reply-To: <e4acc16980fe65751325333870bf2b68@ijs.si> References: <e4acc16980fe65751325333870bf2b68@ijs.si>
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On Tue, Jul 18, 2017 at 01:01:16AM +0200, Mark Martinec wrote: > Upgrading 11.0-RELEASE-p11 to 11.1-RC3 using the usual freebsd-update > upgrade > method I ended up with a system which gets stuck while trying to attach > the second set of disks. This happened already after the first phase of > the upgrade procedure (installing and re-booting with a new kernel). > > The first set of disks (ada0 .. ada2) are attached successfully, also a > cd0, but then when the first of the set of four (a regular spinning > disk) > on an LSI controller is to be attached, the boot procedure just gets > stuck there: > > kernel: ada1: 300.000MB/s transfers (SATA 2.x, PIO4, PIO 8192bytes) > kernel: ada1: Command Queueing enabled > kernel: ada1: 305245MB (625142448 512 byte sectors) > kernel: ada2 at ahcich6 bus 0 scbus8 target 0 lun 0 > kernel: ada2: <OCZ-VERTEX3 2.25> ATA8-ACS SATA 3.x device > kernel: ada2: Serial Number OCZ-O1L6RF591R09Z5C8 > kernel: ada2: 300.000MB/s transfers (SATA 2.x, PIO4, PIO 8192bytes) > kernel: ada2: Command Queueing enabled > kernel: ada2: 114473MB (234441648 512 byte sectors) > kernel: ada2: quirks=0x1<4K> > kernel: da0 at mps0 bus 0 scbus0 target 2 lun 0 > > (stuck here, keyboard not responding, fans rising their pitch, > presumably CPU is spinning) Are you able to break into the debugger at this point? Try setting debug.kdb.break_to_debugger=1 and debug.kdb.alt_break_to_debugger=1 at the loader prompt, and hit the break key, or the key sequence <CR> ~ ctrl-b once the hang occurs. At the debugger prompt, try "bt" and "show allpcpu" to start.
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