Date: Tue, 13 Mar 2001 14:50:02 -0800 (PST) From: "Kenneth D. Merry" <ken@kdm.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/22733: RELENG_4 aic SCSI driver hangs up during disk detection on AVA-1505 Message-ID: <200103132250.f2DMo2k97750@freefall.freebsd.org>
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The following reply was made to PR kern/22733; it has been noted by GNATS.
From: "Kenneth D. Merry" <ken@kdm.org>
To: =?iso-8859-1?Q?Diethelm_Wildf=F6rster?= <DiethelmW@t-online.de>
Cc: freebsd-gnats-submit@FreeBSD.org, kng@sc.ru
Subject: Re: kern/22733: RELENG_4 aic SCSI driver hangs up during disk detection on AVA-1505
Date: Tue, 13 Mar 2001 15:40:18 -0700
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On Sat, Mar 03, 2001 at 10:10:45 -0800, Diethelm Wildförster wrote:
> The following reply was made to PR kern/22733; it has been noted by GNATS.
>
> From: DiethelmW@t-online.de (Diethelm =?iso-8859-1?Q?Wildf=F6rster?=)
> To: freebsd-gnats-submit@FreeBSD.org, kng@sc.ru
> Cc:
> Subject: Re: kern/22733: RELENG_4 aic SCSI driver hangs up during disk detection
> on AVA-1505
> Date: Sat, 03 Mar 2001 19:03:51 +0000
>
> --------------F0C41593FD934743ADA1930F
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>
> I can give a hint to the problem.
> The bug seems to hide in the file src/sys/cam/cam_xpt.c .
> Replacing this file by an older version , created by the command
> cvs co -r 1.80.2.6 src/sys/cam/cam_xpt.c ,
> and compiling a new kernel may serve as a provisional fix .
> Version 1.80.2.7 of the file mentioned above is faulty .
> I have a strong guess what the fault is , but the author of the
> changes
> made (responsible gibbs@FreeBSD.org) should find more competent
> answers than I can do.
>
> ..--
> Diethelm Wildförster
I think the attached patch will fix the problem.
Please let me know whether it works for you two.
Ken
--
Kenneth Merry
ken@kdm.org
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==== //depot/FreeBSD-ken-RELENG_4/src/sys/cam/cam_xpt.c#3 - /c/ken/perforce6/FreeBSD-ken-RELENG_4/src/sys/cam/cam_xpt.c ====
*** /tmp/tmp.90465.0 Tue Mar 13 15:38:01 2001
--- /c/ken/perforce6/FreeBSD-ken-RELENG_4/src/sys/cam/cam_xpt.c Tue Mar 13 15:37:41 2001
***************
*** 5793,5814 ****
cts->flags &= ~CCB_TRANS_TAG_ENB;
cts->flags |= cur_cts.flags & CCB_TRANS_TAG_ENB;
}
if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0
&& (inq_data->flags & SID_Sync) == 0)
! || (cpi.hba_inquiry & PI_SDTR_ABLE) == 0) {
/* Force async */
cts->sync_period = 0;
cts->sync_offset = 0;
! }
!
! /*
! * Don't allow DT transmission rates if the
! * device does not support it.
! */
! if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0
! && (inq_data->spi3data & SID_SPI_CLOCK_DT) == 0
! && cts->sync_period <= 0x9)
cts->sync_period = 0xa;
switch (cts->bus_width) {
case MSG_EXT_WDTR_BUS_32_BIT:
--- 5793,5816 ----
cts->flags &= ~CCB_TRANS_TAG_ENB;
cts->flags |= cur_cts.flags & CCB_TRANS_TAG_ENB;
}
+
if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0
&& (inq_data->flags & SID_Sync) == 0)
! || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)
! || (cts->sync_offset == 0)
! || (cts->sync_period == 0)) {
/* Force async */
cts->sync_period = 0;
cts->sync_offset = 0;
! } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0
! && (inq_data->spi3data & SID_SPI_CLOCK_DT) == 0
! && cts->sync_period <= 0x9) {
! /*
! * Don't allow DT transmission rates if the
! * device does not support it.
! */
cts->sync_period = 0xa;
+ }
switch (cts->bus_width) {
case MSG_EXT_WDTR_BUS_32_BIT:
--n8g4imXOkfNTN/H1--
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