Date: Mon, 20 Jul 1998 17:52:23 -0500 From: Karl Denninger <karl@mcs.net> To: wjw@digiware.nl Cc: scsi@FreeBSD.ORG Subject: Re: AHC errors under load. Message-ID: <19980720175223.53615@mcs.net> In-Reply-To: <199807202153.VAA16546@digi.digiware.nl>; from Willem Jan Withagen on Mon, Jul 20, 1998 at 11:53:17PM %2B0200 References: <199807202153.VAA16546@digi.digiware.nl>
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This is VERY bad. You now have trash in at least one file (if you're lucky), or a wrecked directory structure (if you're unlucky). Find the cause. Like immediately. Termination problems can cause this problem, and it should be treated with EXTREME severity. -- -- Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin http://www.mcs.net/ | T1's from $600 monthly / All Lines K56Flex/DOV | NEW! Corporate ISDN Prices dropped by up to 50%! Voice: [+1 312 803-MCS1 x219]| EXCLUSIVE NEW FEATURE ON ALL PERSONAL ACCOUNTS Fax: [+1 312 803-4929] | *SPAMBLOCK* Technology now included at no cost On Mon, Jul 20, 1998 at 11:53:17PM +0200, Willem Jan Withagen wrote: > > I got the message below, some more junk, and then the AHC resets the bus. > But the system is still up and running. > First time I eve see this. > Can anybody explain what happened? > > Thanx, > --WjW > > ----- Forwarded message from Charlie Root ----- > > hobby kernel log messages: > > sd2(ahc0:9:0): data overrun of 16777215 bytes detected in Data-Out phase. Tag == 0x9. Forcing a retry. > > sd2(ahc0:9:0): Have seen Data Phase. Length = 65536. NumSGs = 15. > > sg[0] - Addr 0x3326000 : Length 4096 > > sg[1] - Addr 0x627000 : Length 8192 > > sg[2] - Addr 0x3ea9000 : Length 4096 > > sg[3] - Addr 0x3baa000 : Length 4096 > > sg[4] - Addr 0x206b000 : Length 4096 > > sg[5] - Addr 0x242c000 : Length 4096 > > sg[6] - Addr 0x396d000 : Length 4096 > > sg[7] - Addr 0x262e000 : Length 4096 > > sg[8] - Addr 0x12ef000 : Length 4096 > > sg[9] - Addr 0x21b0000 : Length 4096 > > sg[10] - Addr 0x2971000 : Length 4096 > > sg[11] - Addr 0x16b2000 : Length 4096 > > sg[12] - Addr 0x2833000 : Length 4096 > > sg[13] - Addr 0x2f34000 : Length 4096 > > sg[14] - Addr 0x33b5000 : Length 4096 > > sd2(ahc0:9:0): data overrun of 16777215 bytes detected in Data-Out phase. Tag == 0x9. Forcing a retry. > > sd2(ahc0:9:0): Haven't seen Data Phase. Length = 65536. NumSGs = 15. > > sg[0] - Addr 0x3326000 : Length 4096 > > sg[1] - Addr 0x627000 : Length 8192 > > sg[2] - Addr 0x3ea9000 : Length 4096 > > sg[3] - Addr 0x3baa000 : Length 4096 > > sg[4] - Addr 0x206b000 : Length 4096 > > sg[5] - Addr 0x242c000 : Length 4096 > > sg[6] - Addr 0x396d000 : Length 4096 > > sg[7] - Addr 0x262e000 : Length 4096 > > sg[8] - Addr 0x12ef000 : Length 4096 > > sg[9] - Addr 0x21b0000 : Length 4096 > > sg[10] - Addr 0x2971000 : Length 4096 > > sg[11] - Addr 0x16b2000 : Length 4096 > > sg[12] - Addr 0x2833000 : Length 4096 > > sg[13] - Addr 0x2f34000 : Length 4096 > > sg[14] - Addr 0x33b5000 : Length 4096 > ----- End of forwarded message from Charlie Root ----- > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-scsi" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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