Great! Can you give us details about your environment? If it makes sense, we will increase the loop counter in the driver.
Thanks, Sreenivas LSI LOGIC Corporation >-----Original Message----- >From: Jun'ichi Nomura [mailto:[EMAIL PROTECTED] >Sent: Tuesday, March 01, 2005 3:50 PM >To: Bagalkote, Sreenivas >Cc: linux-scsi@vger.kernel.org >Subject: Re: megaraid driver always fails to reset adapter > >Hi, >thanks for the info. > >Adding one more 'F' to the loop counter works. >i.e. 0xFFFFFF. > >Just adding rmb() didn't solve the problem though it >may decrease the necessary counter value. > >I don't know this value is ok for environments other than mine. > >Bagalkote, Sreenivas wrote: >> Please try: >> >> In mbox_post_sync_cmd_fast(...) replace >> >> for (i = 0; i < 0xFFFFF; i++) { >> if (mbox->numstatus != 0xFF) break; >> } >> >> with >> >> for (i = 0; i < 0xFFFFF; i++) { >> if (mbox->numstatus != 0xFF) break; >> rmb(); >> } >> >> Additionally, increase the loop counter to a bigger value. >> >> Thanks, >> Sreenivas >> LSI LOGIC Corporation >> >> >>>-----Original Message----- >>>From: Jun'ichi Nomura [mailto:[EMAIL PROTECTED] >>>Sent: Tuesday, March 01, 2005 1:36 PM >>>To: linux-scsi@vger.kernel.org >>>Subject: megaraid driver always fails to reset adapter >>> >>>Hello, >>> >>>I found that the megaraid driver always fails to reset the >>>adapter with the following message: >>> megaraid: resetting the host... >>> megaraid mbox: reset sequence completed successfully >>> megaraid: fast sync command timed out >>> megaraid: reservation reset failed >>>when the "Cluster mode" of the adapter BIOS is enabled. >>>So, whenever the reset occurs, the adapter goes to >>>offline and just become unavailable. >>> >>>Is this a known problem? >>> >>>I tried 2.6.9 and 2.6.11-rc5 and the results were the same. >>>I used sg_reset to invoke reset artificially to test this. >>> >>>The problem doesn't occur if I disabled the "Cluster mode" >>>parameter in the adapter BIOS. >>> >>>I'm not sure how well the currenet megaraid driver supports >>>the "Cluster mode". >>>I appreciate if you have any idea. >>> >>>Thanks, >>>Jun'ichi Nomura > - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
