On Thursday, March 31, 2005 7:34 AM, Sergio wrote: > I made some tests again, switching back to the onboard dual > aic7902 scsi > controller (non raid) the tg3 dont hung anymore. > I just noticed the IRQ mappings change between the two settings. > The Broadcom eth get always the IRQ #25, the two onboard scsi > controllers > get #24 and #25 (shared with the eth, is it harmful??) but > the megaraid > driver gets the IRQ #28 Can you please specify megaraid driver version? It seems the megaraid driver gets unique IRQ and the IRQ dedicated to the MegaRAID controller. I don't see any problem concerning IRQ at this time. Difference of performance in between MegaRAID and Adaptec can contribute the issue.
> Usually there > are no messages on screen, but the last time I get "Kernel bug at > tg3.c:2456"!! on the sender. The skb pointer in the tx_ring_info was > null.... May it be queue overrun? I would suggest to look into the issue from above perspective. Thank you. Seokmann LSI Logic Corporation. > -----Original Message----- > From: Sergio Chiesa [mailto:[EMAIL PROTECTED] > Sent: Thursday, March 31, 2005 7:34 AM > To: [email protected] > Subject: Followup: PROBLEM: Kernel bug at tg3.c:2456 > > Sergio Chiesa wrote: > > > 7.7. > > Well, it seems that with the original onboard raid > controller the bug > > didn't trigger... the controller was swapped with the lsi > logic by my > > supplier because it fails badly with raid-5 arrays (hw/fw > related issue) > > I also tried the original broadcom driver version 7.3.5 with similar > > results... > > I made some tests again, switching back to the onboard dual > aic7902 scsi > controller (non raid) the tg3 dont hung anymore. > I just noticed the IRQ mappings change between the two settings. > The Broadcom eth get always the IRQ #25, the two onboard scsi > controllers > get #24 and #25 (shared with the eth, is it harmful??) but > the megaraid > driver gets the IRQ #28 > > I think it is something IRQ related because if the eth hungs > but the kernel > is still running I see more than 140000 irq per second with "vmstat". > > Hope it helps better! > > Sergioc. > - > To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
