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On Fri, Nov 10 2000, Henning P. Schmiedehausen wrote:
[snip]
> Running 2.2.18pre17 completely modular built + 20001027 IDE patch from
> kernel.org + Andreas' 2.2.18pre17aa1 patch + some more but I think not
> related patches. Complete Kernel SRPMS and RPMS on request. :-)

> The Mitsumi CDROM is used only for listening to music. There is still
> an entry in my automount table for /mnt/misc mounting /dev/hdd to
> /mnt/misc/cdrom1 if I ever desire to.
>
> % cat /etc/auto.misc
> [...]
> cdrom1 -fstype=iso9660,ro :/dev/hdd

[snip cdrom_analyze_sense oops]

Could you try with this patch? It's against 2.2.18-pre21, but will
probably apply cleanly to your current kernel.

--
* Jens Axboe <axboe@suse.de>
* SuSE Labs
--- /opt/kernel/linux-2.2.17.SuSE/drivers/block/ide-cd.c Fri Oct 27 12:22:01 2000
+++ drivers/block/ide-cd.c Fri Nov 10 17:16:14 2000
@@ -324,41 +325,50 @@
info->nsectors_buffered = 0;
}

+static int cdrom_log_sense(ide_drive_t *drive, struct packet_command *pc,
+ struct request_sense *sense)
+{
+ int log = 0;
+
+ if (sense == NULL)
+ return 0;
+
+ switch (sense->sense_key) {
+ case NO_SENSE: case RECOVERED_ERROR:
+ break;
+ case NOT_READY:
+ /*
+ * don't care about tray state messages for
+ * e.g. capacity commands or in-progress or
+ * becoming ready
+ */
+ if (sense->asc == 0x3a || sense->asc == 0x04)
+ break;
+ log = 1;
+ break;
+ case UNIT_ATTENTION:
+ /*
+ * Make good and sure we've seen this potential media
+ * change. Some drives (i.e. Creative) fail to present
+ * the correct sense key in the error register.
+ */
+ cdrom_saw_media_change(drive);
+ break;
+ default:
+ log = 1;
+ break;
+ }
+ return log;
+}

static
void cdrom_analyze_sense_data(ide_drive_t *drive,
struct packet_command *failed_command,
struct request_sense *sense)
{
- if (sense->sense_key == NOT_READY ||
- sense->sense_key == UNIT_ATTENTION) {
- /* Make good and sure we've seen this potential media change.
- Some drives (i.e. Creative) fail to present the correct
- sense key in the error register. */
- cdrom_saw_media_change (drive);
-
-
- /* Don't print not ready or unit attention errors for
- READ_SUBCHANNEL. Workman (and probably other programs)
- uses this command to poll the drive, and we don't want
- to fill the syslog with useless errors. */
- if (failed_command &&
- (failed_command->c[0] == GPCMD_READ_SUBCHANNEL ||
- failed_command->c[0] == GPCMD_TEST_UNIT_READY))
- return;
- }
-
- if (sense->error_code == 0x70 && sense->sense_key == 0x02
- && ((sense->asc == 0x3a && sense->ascq == 0x00) ||
- (sense->asc == 0x04 && sense->ascq == 0x01)))
- {
- /*
- * Suppress the following errors:
- * "Medium not present", "in progress of becoming ready",
- * and "writing" to keep the noise level down to a dull roar.
- */
+
+ if (!cdrom_log_sense(drive, failed_command, sense))
return;
- }

#if VERBOSE_IDE_CD_ERRORS
{
@@ -1105,7 +1115,13 @@

if (retry && jiffies - info->start_seek > IDECD_SEEK_TIMER) {
if (--retry == 0) {
+ /*
+ * this condition is far too common, to bother
+ * users about it
+ */
+#if 0
printk("%s: disabled DSC seek overlap\n", drive->name);
+#endif
drive->dsc_overlap = 0;
}
}
@@ -1329,8 +1345,12 @@
static
void cdrom_sleep (int time)
{
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(time);
+ int sleep = time;
+
+ do {
+ set_current_state(TASK_INTERRUPTIBLE);
+ sleep = schedule_timeout(sleep);
+ } while (sleep);
}

static
@@ -1848,6 +1868,9 @@
struct cdrom_info *info = drive->driver_data;
struct atapi_toc *toc = info->toc;
int ntracks;
+
+ if (!CDROM_STATE_FLAGS(drive)->toc_valid)
+ return -EINVAL;

/* Check validity of requested track number. */
ntracks = toc->hdr.last_track - toc->hdr.first_track + 1;
--- /opt/kernel/linux-2.2.17.SuSE/drivers/scsi/sr.c Fri Oct 27 12:21:44 2000
+++ drivers/scsi/sr.c Fri Nov 10 14:25:16 2000
@@ -1034,65 +1034,14 @@
*/
static int sr_packet(struct cdrom_device_info *cdi, struct cdrom_generic_command *cgc)
{
- Scsi_Cmnd *SCpnt;
Scsi_Device *device = scsi_CDs[MINOR(cdi->dev)].device;
- unsigned char *buffer = cgc->buffer;
- unsigned long flags;
- int buflen;
- int stat;
-
- /* get the device */
- SCpnt = scsi_allocate_device(NULL, device, 1);
- if (SCpnt == NULL)
- return -ENODEV; /* this just doesn't seem right /axboe */
-
- /* use buffer for ISA DMA */
- buflen = (cgc->buflen + 511) & ~511;
- if (cgc->buffer && SCpnt->host->unchecked_isa_dma &&
- (virt_to_phys(cgc->buffer) + cgc->buflen - 1 > ISA_DMA_THRESHOLD)) {
- spin_lock_irq(&io_request_lock);
- buffer = scsi_malloc(buflen);
- spin_unlock_irq(&io_request_lock);
- if (buffer == NULL) {
- printk("sr: SCSI DMA pool exhausted.");
- return -ENOMEM;
- }
- memcpy(buffer, cgc->buffer, cgc->buflen);
- }

/* set the LUN */
cgc->cmd[1] |= device->lun << 5;

- /* do the locking and issue the command */
- SCpnt->request.rq_dev = cdi->dev;
- /* scsi_do_cmd sets the command length */
- SCpnt->cmd_len = 0;
-
- {
- struct semaphore sem = MUTEX_LOCKED;
- SCpnt->request.sem = &sem;
- spin_lock_irqsave(&io_request_lock, flags);
- scsi_do_cmd(SCpnt, (void *)cgc->cmd, (void *) buffer,
- cgc->buflen, sr_init_done, SR_TIMEOUT,
- MAX_RETRIES);
- spin_unlock_irqrestore(&io_request_lock, flags);
- down(&sem);
- }
-
- stat = SCpnt->result;
-
- /* release */
- SCpnt->request.rq_dev = MKDEV(0, 0);
- scsi_release_command(SCpnt);
- SCpnt = NULL;
-
- /* write DMA buffer back if used */
- if (buffer && (buffer != cgc->buffer)) {
- memcpy(cgc->buffer, buffer, cgc->buflen);
- scsi_free(buffer, buflen);
- }
+ cgc->stat = sr_do_ioctl(MINOR(cdi->dev), cgc->cmd, cgc->buffer, cgc->buflen, 1);

- return stat;
+ return cgc->stat;
}

static int sr_registered = 0;
--- /opt/kernel/linux-2.2.17.SuSE/drivers/scsi/sr_ioctl.c Fri Oct 27 12:21:31 2000
+++ drivers/scsi/sr_ioctl.c Fri Nov 10 14:08:50 2000
@@ -77,6 +77,8 @@
buffer = bounce_buffer;
}

+ SCpnt->cmd_len = 0;
+
retry:
if( !scsi_block_when_processing_errors(SDev) )
return -ENODEV;
@@ -158,9 +160,8 @@
err = -EIO;
}
}
-
+
spin_lock_irqsave(&io_request_lock, flags);
- result = SCpnt->result;
/* Wake up a process waiting for device*/
wake_up(&SCpnt->device->device_wait);
scsi_release_command(SCpnt);
--- /opt/kernel/linux-2.2.17.SuSE/drivers/scsi/constants.c Mon Aug 9 21:04:40 1999
+++ drivers/scsi/constants.c Fri Nov 10 14:19:22 2000
@@ -501,7 +501,7 @@
printk("%s%s: sns = %2x %2x\n", devclass,
kdevname(SCpnt->request.rq_dev), sense_buffer[0], sense_buffer[2]);

- printk("Non-extended sense class %d code 0x%0x ", sense_class, code);
+ printk("Non-extended sense class %d code 0x%0x\n", sense_class, code);
s = 4;
}
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