Can you provide dmesg log with log level enable to 0x8188. "echo 0x8188 > /sys/class/scsi_host/hostX/debug_level" Thanks, Kashyap -----Original Message----- From: linux-scsi-owner@xxxxxxxxxxxxxxx [mailto:linux-scsi-owner@xxxxxxxxxxxxxxx] On Behalf Of Douglas Gilbert Sent: Friday, July 10, 2009 2:12 AM To: James Bottomley Cc: linux-scsi@xxxxxxxxxxxxxxx Subject: Re: mptspi: Unexpected doorbell active! James Bottomley wrote: > On Wed, 2009-07-08 at 17:06 +0200, Douglas Gilbert wrote: >> Cute error message but it appears just before my machine >> locks solid. It looks like it is coming from a LSI 53c1030 >> SPI controller which lspci says is PCI-X but is actually >> PCIe. >> >> I get that with 2 different tape drives (LTO-1 and LTO-3) >> whose true identities are hidden behind badge engineering, >> Tandberg data perhaps? Anyway both seem to have a major >> problem with the LOG SENSE command and the Tape Alert >> page in particular. >> >> The lockup occurs with both a Debian Lenny standard kernel >> (lk 2.6.26-2-686) and a kernel.org lk 2.6.30 . > > So the problem has been around for a while ... > >> There is nothing other than the 53c1030 and a single tape >> drive on the SCSI bus. So there is no good reason to lock >> up the machine for any SCSI related error. > > LSI just reworked the code that does this doorbell handling for the > 2.6.31 merge window could you see if 2.6.31-rc2 is still exhibiting the > problem? Yes it is. The controller is a LSI20320IE and the main chip appears to be a LSI53C1020A A1. Doug Gilbert -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
