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| author | James Bottomley <JBottomley@Parallels.com> | 2014-12-08 07:40:20 -0800 |
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| committer | James Bottomley <JBottomley@Parallels.com> | 2014-12-08 07:40:20 -0800 |
| commit | dc843ef00e79ef0466d4d66bb20beeccda92e003 (patch) | |
| tree | 7491381fdd81b6d40b25fec533e6f249d7823ce3 /Documentation/scsi/st.txt | |
| parent | 009d0431c3914de64666bec0d350e54fdd59df6a (diff) | |
| parent | 249b15ba6380830881b7863ca5dd3f33320adfdb (diff) | |
| download | linux-0-day-dc843ef00e79ef0466d4d66bb20beeccda92e003.tar.gz linux-0-day-dc843ef00e79ef0466d4d66bb20beeccda92e003.tar.xz | |
Merge remote-tracking branch 'scsi-queue/core-for-3.19' into for-linus
Diffstat (limited to 'Documentation/scsi/st.txt')
| -rw-r--r-- | Documentation/scsi/st.txt | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/scsi/st.txt b/Documentation/scsi/st.txt index f346abbdd6ff3..0d5bdb153d3b3 100644 --- a/Documentation/scsi/st.txt +++ b/Documentation/scsi/st.txt @@ -506,9 +506,11 @@ user does not request data that far.) DEBUGGING HINTS -To enable debugging messages, edit st.c and #define DEBUG 1. As seen -above, debugging can be switched off with an ioctl if debugging is -compiled into the driver. The debugging output is not voluminous. +Debugging code is now compiled in by default but debugging is turned off +with the kernel module parameter debug_flag defaulting to 0. Debugging +can still be switched on and off with an ioctl. To enable debug at +module load time add debug_flag=1 to the module load options, the +debugging output is not voluminous. If the tape seems to hang, I would be very interested to hear where the driver is waiting. With the command 'ps -l' you can see the state |