From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 43191] New: Syslog fills with messages about assuming drive
cache when SD card not present
Date: Tue, 1 May 2012 22:21:48 GMT
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https://bugzilla.kernel.org/show_bug.cgi?id=43191
Summary: Syslog fills with messages about assuming drive cache
when SD card not present
Product: SCSI Drivers
Version: 2.5
Kernel Version: 3.4.0
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: DC390
AssignedTo: linux-scsi@vger.kernel.org
ReportedBy: sriharshatotakura+kernelbugs@gmail.com
Regression: No
Created an attachment (id=73153)
--> (https://bugzilla.kernel.org/attachment.cgi?id=73153)
list of currently loaded modules
I'm observing the issue discussed in this bug report:
https://bugzilla.kernel.org/show_bug.cgi?id=43190
I'm reporting it here since the original reporter didn't seem to have reported
here:
I get this output repeatedly after every minute or so:
[ 465.435298] sd 6:0:0:0: [sdb] Test WP failed, assume Write Enabled
[ 465.438295] sd 6:0:0:0: [sdb] Asking for cache data failed
[ 465.438303] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 517.147818] sd 6:0:0:0: [sdb] Test WP failed, assume Write Enabled
[ 517.150811] sd 6:0:0:0: [sdb] Asking for cache data failed
[ 517.150822] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 568.859459] sd 6:0:0:0: [sdb] Test WP failed, assume Write Enabled
[ 568.862330] sd 6:0:0:0: [sdb] Asking for cache data failed
[ 568.862339] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 620.571790] sd 6:0:0:0: [sdb] Test WP failed, assume Write Enabled
[ 620.574659] sd 6:0:0:0: [sdb] Asking for cache data failed
However, when I put in a memory card it stops after outputting this:
[ 1543.770351] sd 6:0:0:0: [sdb] 3970048 512-byte logical blocks: (2.03 GB/1.89
GiB)
[ 1543.775577] sd 6:0:0:0: [sdb] No Caching mode page present
[ 1543.775586] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 1543.780604] sd 6:0:0:0: [sdb] No Caching mode page present
[ 1543.780611] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 1543.807961] sdb: sdb1
and once I eject the memory card it continues:
[ 4980.766490] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 5032.474959] sd 6:0:0:0: [sdb] Test WP failed, assume Write Enabled
[ 5032.477961] sd 6:0:0:0: [sdb] Asking for cache data failed
[ 5032.477970] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 5084.187541] sd 6:0:0:0: [sdb] Test WP failed, assume Write Enabled
[ 5084.190546] sd 6:0:0:0: [sdb] Asking for cache data failed
[ 5084.190554] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 5135.899244] sd 6:0:0:0: [sdb] Test WP failed, assume Write Enabled
[ 5135.902369] sd 6:0:0:0: [sdb] Asking for cache data failed
[ 5135.902378] sd 6:0:0:0: [sdb] Assuming drive cache: write through
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