Re: kern/55699: Panic certainly in iSCSI initiator

[BERTRAND Joël <joel.bertrand%systella.fr@localhost>]

The following reply was made to PR kern/55699; it has been noted by GNATS.

From: =?UTF-8?Q?BERTRAND_Jo=c3=abl?= <joel.bertrand%systella.fr@localhost>
To: gnats-bugs%netbsd.org@localhost, kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
        netbsd-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/55699: Panic certainly in iSCSI initiator
Date: Wed, 7 Oct 2020 16:50:40 +0200

 Paul Goyette a écrit :
 > The following reply was made to PR kern/55699; it has been noted by GNATS.
 > 
 > From: Paul Goyette <paul%whooppee.com@localhost>
 > To: gnats-bugs%netbsd.org@localhost
 > Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, 
 >     joel.bertrand%systella.fr@localhost
 > Subject: Re: kern/55699: Panic certainly in iSCSI initiator
 > Date: Wed, 7 Oct 2020 07:04:38 -0700 (PDT)
 > 
 >  On Wed, 7 Oct 2020, Michael van Elst wrote:
 >  
 >  <snip>
 >  
 >  > The rip is the same as the fault adress (cr2), which means some
 >  > code should be executed that is no longer in memory. My guess is
 >  > that the usbverbose module is unloaded while in use (which would
 >  > be a bug). A workaround would then be to load that module manually.
 >  
 >  It might be helpful to set
 >  
 >   	sysctl -w kern.module.verbose=1
 >  
 >  to confirm this possibility.
 >  
 
 I don't know if I can confirm this possibility.
 
 I have removed usbverbose from kernel: modunload usbverbose.
 No error. Just after, I have set kern.module.verbose=1
 
 When I start bacula job (and stop to avoid panic...), I obtain on console :
 
 
 
 [ 10736.911324] DEBUG: module: Loading plist from
 /stand/amd64/9.0/modules/usbverbose/usbverbose.plist
 [ 10736.911324] DEBUG: module: plist load returned error 2 for
 `/stand/amd64/9.0/modules/usbverbose/usbverbose.kmod'
 [ 10736.921726] DEBUG: module: module `usbverbose' loaded successfully
 [ 10746.925138] DEBUG: module: unload requested for 'usbverbose' (FALSE)
 [ 10746.925138] DEBUG: module: unloaded module `usbverbose'
 [ 10746.965153] DEBUG: module: Loading module from
 /stand/amd64/9.0/modules/usbverbose/usbverbose.kmod
 [ 10746.965153] DEBUG: module: Loading plist from
 /stand/amd64/9.0/modules/usbverbose/usbverbose.plist
 [ 10746.965153] DEBUG: module: plist load returned error 2 for
 `/stand/amd64/9.0/modules/usbverbose/usbverbose.kmod'
 [ 10746.975404] DEBUG: module: module `usbverbose' loaded successfully
 [ 10753.947813] DEBUG: module: unload requested for 'usbverbose' (TRUE)
 [ 10753.947813] DEBUG: module: unloaded module `usbverbose'
 [ 10756.998976] DEBUG: module: Loading module from
 /stand/amd64/9.0/modules/usbverbose/usbverbose.kmod
 [ 10756.998976] DEBUG: module: Loading plist from
 /stand/amd64/9.0/modules/usbverbose/usbverbose.plist
 [ 10756.998976] DEBUG: module: plist load returned error 2 for
 `/stand/amd64/9.0/modules/usbverbose/usbverbose.kmod'
 [ 10757.019631] DEBUG: module: module `usbverbose' loaded successfully
 [ 10767.012792] DEBUG: module: unload requested for 'usbverbose' (FALSE)
 [ 10767.012792] DEBUG: module: unloaded module `usbverbose'
 [ 10767.042803] DEBUG: module: Loading module from
 /stand/amd64/9.0/modules/usbverbose/usbverbose.kmod
 [ 10767.042803] DEBUG: module: Loading plist from
 /stand/amd64/9.0/modules/usbverbose/usbverbose.plist
 [ 10767.042803] DEBUG: module: plist load returned error 2 for
 `/stand/amd64/9.0/modules/usbverbose/usbverbose.kmod'
 [ 10767.052828] DEBUG: module: module `usbverbose' loaded successfully
 [ 10777.056620] DEBUG: module: unload requested for 'usbverbose' (FALSE)
 [ 10777.056620] DEBUG: module: unloaded module `usbverbose'
 [ 10777.076627] DEBUG: module: Loading module from
 /stand/amd64/9.0/modules/usbverbose/usbverbose.kmod
 [ 10777.076627] DEBUG: module: Loading plist from
 /stand/amd64/9.0/modules/usbverbose/usbverbose.plist
 [ 10777.076627] DEBUG: module: plist load returned error 2 for
 `/stand/amd64/9.0/modules/usbverbose/usbverbose.kmod'
 [ 10777.096792] DEBUG: module: module `usbverbose' loaded successfully
 [ 10787.090445] DEBUG: module: unload requested for 'usbverbose' (FALSE)
 [ 10787.090445] DEBUG: module: unloaded module `usbverbose'
 [ 10787.120456] DEBUG: module: Loading module from
 /stand/amd64/9.0/modules/usbverbose/usbverbose.kmod
 
 	Regards,
 
 	JKB