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SubjectRe: CDROMPLAYTRKIND ioctl causing server hang
From
Date
<Ganesh_Borse@Dell.com> writes:

> (4) Is there a known issue in 2.4.21-4 kernel related to
> CDROMPLAYTRKIND ioctl or usb driver? If yes, what is Bugzilla id for
> it?

This patch does it for me, but of course it's a ugly hack...

Phil.
diff -ruN linux-2.4.27.orig/drivers/scsi/sr.c linux-2.4.27/drivers/scsi/sr.c
--- linux-2.4.27.orig/drivers/scsi/sr.c Fri Jun 13 07:51:36 2003
+++ linux-2.4.27/drivers/scsi/sr.c Mon Aug 9 15:34:08 2004
@@ -59,7 +59,7 @@
MODULE_PARM(xa_test, "i"); /* see sr_ioctl.c */

#define MAX_RETRIES 3
-#define SR_TIMEOUT (30 * HZ)
+#define SR_TIMEOUT (180 * HZ)

static int sr_init(void);
static void sr_finish(void);
diff -ruN linux-2.4.27.orig/drivers/scsi/sr_ioctl.c linux-2.4.27/drivers/scsi/sr_ioctl.c
--- linux-2.4.27.orig/drivers/scsi/sr_ioctl.c Thu Nov 28 15:53:14 2002
+++ linux-2.4.27/drivers/scsi/sr_ioctl.c Mon Aug 9 15:34:08 2004
@@ -392,9 +392,9 @@
sr_cmd[4] = ti->cdti_trk0;
sr_cmd[5] = ti->cdti_ind0;
sr_cmd[7] = ti->cdti_trk1;
- sr_cmd[8] = ti->cdti_ind1;
+ sr_cmd[8] = (ti->cdti_ind1 == 99 ? 0 : ti->cdti_ind1);

- result = sr_do_ioctl(target, sr_cmd, NULL, 0, 0, SCSI_DATA_NONE, NULL);
+ result = sr_do_ioctl(target, sr_cmd, NULL, 0, 1, SCSI_DATA_NONE, NULL);
if (result == -EDRIVE_CANT_DO_THIS)
result = sr_fake_playtrkind(cdi, ti);
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