kern/189355: [zfs] zfs panic on root mount 10-stable

Thu May 22 16:30:02 UTC 2014

The following reply was made to PR kern/189355; it has been noted by GNATS.

From: Radim Kolar <hsn at sendmail.cz>
To: Steven Hartland <smh at freebsd.org>, "bug-followup at freebsd.org"
	<bug-followup at freebsd.org>
Cc:  
Subject: RE: kern/189355: [zfs] zfs panic on root mount 10-stable
Date: Thu, 22 May 2014 16:24:48 +0000

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 after recompiling kernel and zfs with -O0=2C i am have very different stack=
 trace. I cant get dump with your patch in this case. Can you identify which=
  kernel component failed? its MPT driver?

 panic
 dblfault_handler
 cpu_search
 cpu_search_lowest
 sched_lowest
 sched_pickcpu
 sched_add
 intr_event_schedule_thread
 intr_event_handle
 intr_execute_handlers
 lapic_handle_intr
 Xapis_isr1
 bus_space_write_4
 mpt_write
 mpt_send_cmd
 mpt_execute_req
 bus_dmamap_load_ccb
 mpt_start
 mpt_action
 xpt_run_devq
 xpt_action_default
 scsi_action
 xpt_action
 dastart
 xpt_run_allocq
 xpt_schedule
 dareprobe
 g_disk_access
 g_access
 g_part_access
 g_access
 vdev_geom_attach_taster
 m_attach_taster
 vdev_geom_read_pool_label
 spa_generate_rootconf
 spa_import_rootpool
 zfs_mount
 vfs_domount_first
 vfs_domount
 vfs_donmount
 kernel_mount
 parse_mount
 vfs_mountroot_parse
  		 	   		  =

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 <body class=3D'hmmessage'><div dir=3D'ltr'>after recompiling kernel and zfs=
  with -O0=2C i am have very different stacktrace. I cant get dump with your=
  patch in this case. Can you identify which kernel component failed? its MP=
 T driver?<br><br>panic<br>dblfault_handler<br>cpu_search<br>cpu_search_lowe=
 st<br>sched_lowest<br>sched_pickcpu<br>sched_add<br>intr_event_schedule_thr=
 ead<br>intr_event_handle<br>intr_execute_handlers<br>lapic_handle_intr<br>X=
 apis_isr1<br>bus_space_write_4<br>mpt_write<br>mpt_send_cmd<br>mpt_execute_=
 req<br>bus_dmamap_load_ccb<br>mpt_start<br>mpt_action<br>xpt_run_devq<br>xp=
 t_action_default<br>scsi_action<br>xpt_action<br>dastart<br>xpt_run_allocq<=
 br>xpt_schedule<br>dareprobe<br>g_disk_access<br>g_access<br>g_part_access<=
 br>g_access<br>vdev_geom_attach_taster<br>m_attach_taster<br>vdev_geom_read=
 _pool_label<br>spa_generate_rootconf<br>spa_import_rootpool<br>zfs_mount<br=
 >vfs_domount_first<br>vfs_domount<br>vfs_donmount<br>kernel_mount<br>parse_=
 mount<br>vfs_mountroot_parse<br> 		 	   		  </div></body>
 </html>=

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