Re: Linux 5.14-rc1

[Christoph Hellwig]

On Sun, Jul 11, 2021 at 09:14:23PM -0700, Guenter Roeck wrote:
> My guess was correct. Bisect points to the above commit. Bisect log as well
> as complete backtrace and example qemu command attached.
> 
> Copying Christoph and Jens.

This should fіx it:

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 6d2d63629a90..b8d55af763f9 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -98,11 +98,7 @@ MODULE_ALIAS_SCSI_DEVICE(TYPE_MOD);
 MODULE_ALIAS_SCSI_DEVICE(TYPE_RBC);
 MODULE_ALIAS_SCSI_DEVICE(TYPE_ZBC);
 
-#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
 #define SD_MINORS	16
-#else
-#define SD_MINORS	0
-#endif
 
 static void sd_config_discard(struct scsi_disk *, unsigned int);
 static void sd_config_write_same(struct scsi_disk *);