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Date: Sat, 3 Jul 2010 09:42:57 -0700 From: Mark Knecht <markknecht@...il.com> To: Tejun Heo <tj@...nel.org> Cc: Linux Kernel List <linux-kernel@...r.kernel.org>, "linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org> Subject: Re: Drives missing at boot On Sat, Jul 3, 2010 at 9:13 AM, Tejun Heo <tj@...nel.org> wrote: > Hello, > > On 07/03/2010 06:06 PM, Mark Knecht wrote: >>> Can you please *attach* full logs of a successful boot and several >>> failing boots? >> >> Certainly? Which logs? dmesg or something else? > > dmesg output preferably with printk timestamp enabled. > > Thanks. > > -- > tejun > OK, I enable printk timing. Here are two boots. The first one had /dev/sde come up missing: mark@...table ~ $ ls -al /dev/sd* brw-rw---- 1 root disk 8, 0 Jul 3 2010 /dev/sda brw-rw---- 1 root disk 8, 1 Jul 3 2010 /dev/sda1 brw-rw---- 1 root disk 8, 2 Jul 3 2010 /dev/sda2 brw-rw---- 1 root disk 8, 3 Jul 3 2010 /dev/sda3 brw-rw---- 1 root disk 8, 4 Jul 3 2010 /dev/sda4 brw-rw---- 1 root disk 8, 5 Jul 3 2010 /dev/sda5 brw-rw---- 1 root disk 8, 6 Jul 3 2010 /dev/sda6 brw-rw---- 1 root disk 8, 16 Jul 3 2010 /dev/sdb brw-rw---- 1 root disk 8, 17 Jul 3 2010 /dev/sdb1 brw-rw---- 1 root disk 8, 18 Jul 3 2010 /dev/sdb2 brw-rw---- 1 root disk 8, 19 Jul 3 2010 /dev/sdb3 brw-rw---- 1 root disk 8, 20 Jul 3 2010 /dev/sdb4 brw-rw---- 1 root disk 8, 21 Jul 3 2010 /dev/sdb5 brw-rw---- 1 root disk 8, 22 Jul 3 2010 /dev/sdb6 brw-rw---- 1 root disk 8, 32 Jul 3 2010 /dev/sdc brw-rw---- 1 root disk 8, 33 Jul 3 2010 /dev/sdc1 brw-rw---- 1 root disk 8, 34 Jul 3 2010 /dev/sdc2 brw-rw---- 1 root disk 8, 35 Jul 3 2010 /dev/sdc3 brw-rw---- 1 root disk 8, 36 Jul 3 2010 /dev/sdc4 brw-rw---- 1 root disk 8, 37 Jul 3 2010 /dev/sdc5 brw-rw---- 1 root disk 8, 38 Jul 3 2010 /dev/sdc6 brw-rw---- 1 root disk 8, 48 Jul 3 2010 /dev/sdd brw-rw---- 1 root disk 8, 49 Jul 3 2010 /dev/sdd1 mark@...table ~ $ I then did two warm boots and got the same problem so I shut down completely and did a cold boot which worked: mark@...table ~ $ ls -al /dev/sd* brw-rw---- 1 root disk 8, 0 Jul 3 2010 /dev/sda brw-rw---- 1 root disk 8, 1 Jul 3 2010 /dev/sda1 brw-rw---- 1 root disk 8, 2 Jul 3 2010 /dev/sda2 brw-rw---- 1 root disk 8, 3 Jul 3 2010 /dev/sda3 brw-rw---- 1 root disk 8, 4 Jul 3 2010 /dev/sda4 brw-rw---- 1 root disk 8, 5 Jul 3 2010 /dev/sda5 brw-rw---- 1 root disk 8, 6 Jul 3 2010 /dev/sda6 brw-rw---- 1 root disk 8, 16 Jul 3 2010 /dev/sdb brw-rw---- 1 root disk 8, 17 Jul 3 2010 /dev/sdb1 brw-rw---- 1 root disk 8, 18 Jul 3 2010 /dev/sdb2 brw-rw---- 1 root disk 8, 19 Jul 3 2010 /dev/sdb3 brw-rw---- 1 root disk 8, 20 Jul 3 2010 /dev/sdb4 brw-rw---- 1 root disk 8, 21 Jul 3 2010 /dev/sdb5 brw-rw---- 1 root disk 8, 22 Jul 3 2010 /dev/sdb6 brw-rw---- 1 root disk 8, 32 Jul 3 2010 /dev/sdc brw-rw---- 1 root disk 8, 33 Jul 3 2010 /dev/sdc1 brw-rw---- 1 root disk 8, 34 Jul 3 2010 /dev/sdc2 brw-rw---- 1 root disk 8, 35 Jul 3 2010 /dev/sdc3 brw-rw---- 1 root disk 8, 36 Jul 3 2010 /dev/sdc4 brw-rw---- 1 root disk 8, 37 Jul 3 2010 /dev/sdc5 brw-rw---- 1 root disk 8, 38 Jul 3 2010 /dev/sdc6 brw-rw---- 1 root disk 8, 48 Jul 3 2010 /dev/sdd brw-rw---- 1 root disk 8, 49 Jul 3 2010 /dev/sdd1 brw-rw---- 1 root disk 8, 64 Jul 3 2010 /dev/sde brw-rw---- 1 root disk 8, 65 Jul 3 2010 /dev/sde1 mark@...table ~ $ Let me know what else you might need. Thanks! Cheers, Mark Download attachment "dmesg.DriveEmissing" of type "application/octet-stream" (60900 bytes) Download attachment "dmesg.AllDrivesFound" of type "application/octet-stream" (62912 bytes)
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