On Wed, Nov 16, 2005 at 08:41:46AM +0200, Tolga Evren wrote: > Thanks for your responses. Yes my system is connected to the emc storage > . I use emulex HBA . I have checked the messages file , there exists > following messages: > > Nov 13 20:39:47 tanidw1 kernel: !lpfc0:0410:INe:Cannot find virtual addr > for mapped buf on ring 0 Data x411ACC00 x x > Nov 13 20:48:19 tanidw1 kernel: !lpfc0:0410:INe:Cannot find virtual addr > for mapped buf on ring 0 Data x411AC800 x x > Nov 13 20:57:11 tanidw1 kernel: !lpfc0:0410:INe:Cannot find virtual addr > for mapped buf on ring 0 Data x411AC400 x x > Nov 13 21:04:54 tanidw1 kernel: !lpfc0:0410:INe:Cannot find virtual addr > for mapped buf on ring 0 Data x411AC000 x x > > Do these messages indicate a problem? >From a quick Google search, these do indicate a problem. http://www.google.com/search?num=50&hl=en&lr=lang_en&newwindow=1&safe=off&c2coff=1&q=lpfc+%22Cannot+find+virtual+addr+for+mapped+buf+on+ring%22&btnG=Search The Emulex docs (one of the first results from Google) say: 0410 INe message: Cannot find virtual addr for mapped buf on ring <num> DESCRIPTION: The driver cannot find the specified buffer in its mapping table. Thus it cannot find the virtual address needed to access the data. DATA: (1) mapbp (2) fc_mpoff (3) fc_mpon SEVERITY: error LOG: always MODULE: fcmemb.c ACTION: This error could indicate a software driver or firmware problem. If the problem persists, report the error to Technical Support. I did ask in my earlier note if your drivers and firmware were current. Have you double-checked this? .../Ed > -----Original Message----- > From: redhat-list-bounces@xxxxxxxxxx > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Ed Wilts > Sent: Friday, November 11, 2005 2:34 AM > To: General Red Hat Linux discussion list > Subject: Re: what is lpfc_do_dpc_0? > > On Thu, Nov 10, 2005 at 05:47:50PM +0200, Tolga Evren wrote: > > This is redhat 2.1 . > > > > I see this process in top consuming cpu. What does this do? > > lpfc might be related to an Emulex LP fibre adapter. Are you SAN > connected? RHEL 2.1 is fairly old but you might see if your fibre > drivers and firmware are current. Also, check for any lpfc-related > events in /var/log/messages > > .../Ed -- Ed Wilts, RHCE Mounds View, MN, USA mailto:ewilts@xxxxxxxxxx Member #1, Red Hat Community Ambassador Program -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
