Message-Id: <201106082150.34260.maciej.rutecki@gmail.com>
Date:	Wed, 8 Jun 2011 21:50:34 +0200
From:	Maciej Rutecki <maciej.rutecki@...il.com>
To:	"werner" <w.landgraf@...ru>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 3.0-rc1 problem with usb, cdrom

I created a Bugzilla entry at 
https://bugzilla.kernel.org/show_bug.cgi?id=36982
for your bug report, please add your address to the CC list in there, thanks!

On środa, 1 czerwca 2011 o 18:43:36 werner wrote:
> With 3.0-rc1 have the following problems, on my computer
> and some laptops:
> 
> / during booting, udev initialization, it stops several
> times  appr. 1 minute  (but don't crash)
> 
> / At the beginning, the system behaves normal, but later
> the usb system don't work at all; then no periferics
> connected (like: printer, usb key , ...) is recognized
> with lsusb, and the KDE3 device manager stops to work
> 
> / On mounting a dvd with /mount /dev/sr0 /cdrom  ,  an
> error messages comes, it dont mount
> 
> 
> Below see the syslog.    At 13:30, attempt to find sdb ,
> is a sucessless attempt to find the usb key  (lsusb dont
> find it).    At 13:33, attempt to mount a dvd.
> 
> 
> W.Landgraf
> 
> 
> 
> ==================
> Jun  1 13:30:13 werner kernel: sd 7:0:0:0: [sdb] No
> Caching mode page present
> Jun  1 13:30:13 werner kernel: sd 7:0:0:0: [sdb] Assuming
> drive cache: write through
> Jun  1 13:30:13 werner kernel: sd 7:0:0:0: [sdb] No
> Caching mode page present
> Jun  1 13:30:13 werner kernel: sd 7:0:0:0: [sdb] Assuming
> drive cache: write through
> Jun  1 13:30:13 werner kernel: sd 7:0:0:0: [sdb] No
> Caching mode page present
> Jun  1 13:30:13 werner kernel: sd 7:0:0:0: [sdb] Assuming
> drive cache: write through
> Jun  1 13:30:45 werner kernel: sd 8:0:0:0: [sdb] No
> Caching mode page present
> Jun  1 13:30:45 werner kernel: sd 8:0:0:0: [sdb] Assuming
> drive cache: write through
> Jun  1 13:30:45 werner kernel: sd 8:0:0:0: [sdb] No
> Caching mode page present
> Jun  1 13:30:45 werner kernel: sd 8:0:0:0: [sdb] Assuming
> drive cache: write through
> Jun  1 13:30:45 werner kernel: sd 8:0:0:0: [sdb] No
> Caching mode page present
> Jun  1 13:30:45 werner kernel: sd 8:0:0:0: [sdb] Assuming
> drive cache: write through
> Jun  1 13:33:25 werner kernel: BUG: unable to handle
> kernel NULL pointer dereference at 000001cd
> Jun  1 13:33:25 werner kernel: IP: [<c10ffe3e>]
> blkdev_get+0xe7/0x125
> Jun  1 13:33:25 werner kernel: *pde = 00000000
> Jun  1 13:33:25 werner kernel: Oops: 0000 [#1] SMP
> Jun  1 13:33:25 werner kernel: Modules linked in: rfcomm
> hidp bluetooth snd_usb_audio snd_usbmidi_lib snd_rawmidi
> snd_seq_device uvcvideo tpm_tis tpm tpm_bios rtc_cmos
> 8139too snd_hda_codec_realtek k8temp snd_hda_intel
> snd_hda_codec snd_hwdep snd_pcm forcedeth snd_timer snd
> i2c_nforce2 soundcore snd_page_alloc
> Jun  1 13:33:25 werner kernel:
> Jun  1 13:33:25 werner kernel: Pid: 1520, comm: mount Not
> tainted 3.0.0-rc1-i486-1sys #1 Gigabyte Technology Co.,
> Ltd. M68M-S2P/M68M-S2P
> Jun  1 13:33:25 werner kernel: EIP: 0060:[<c10ffe3e>]
> EFLAGS: 00010282 CPU: 0
> Jun  1 13:33:25 werner kernel: EIP is at
> blkdev_get+0xe7/0x125
> Jun  1 13:33:25 werner kernel: EAX: 00000000 EBX: f5423600
> ECX: 00000000 EDX: f542362c
> Jun  1 13:33:25 werner kernel: ESI: f5423600 EDI: c2402bfc
> EBP: e1ddde54 ESP: e1ddde38
> Jun  1 13:33:25 werner kernel:  DS: 007b ES: 007b FS: 00d8
> GS: 00e0 SS: 0068
> Jun  1 13:33:25 werner kernel: Process mount (pid: 1520,
> ti=e1ddc000 task=f295e440 task.ti=e1ddc000)
> Jun  1 13:33:25 werner kernel: Stack:
> Jun  1 13:33:25 werner kernel:  00000083 f5423610 ffffffe2
> 00000000 f5423600 00000083 c2402bfc e1ddde68
> Jun  1 13:33:25 werner kernel:  c11000d1 f291e600 00000083
> 00000000 e1dddeb8 c10dc51f c10b753d c11e2ede
> Jun  1 13:33:25 werner kernel:  00000000 c2402bfc 00004be8
> 00000004 00000199 0000000c 00005410 00000000
> Jun  1 13:33:25 werner kernel: Call Trace:
> Jun  1 13:33:25 werner kernel:  [<c11000d1>]
> blkdev_get_by_path+0x26/0x56
> Jun  1 13:33:25 werner kernel:  [<c10dc51f>]
> mount_bdev+0x4b/0x187
> Jun  1 13:33:25 werner kernel:  [<c10b753d>] ?
> pcpu_populate_chunk+0x197/0x266
> Jun  1 13:33:25 werner kernel:  [<c11e2ede>] ?
> isofs_iget5_test+0x25/0x25
> Jun  1 13:33:25 werner kernel:  [<c11e1e93>]
> isofs_mount+0x1f/0x24
> Jun  1 13:33:25 werner kernel:  [<c11e2ede>] ?
> isofs_iget5_test+0x25/0x25
> Jun  1 13:33:25 werner kernel:  [<c10dc382>]
> mount_fs+0x67/0x13d
> Jun  1 13:33:25 werner kernel:  [<c10f05db>]
> vfs_kern_mount+0x53/0x7f
> Jun  1 13:33:25 werner kernel:  [<c10f065b>]
> do_kern_mount+0x38/0x70
> Jun  1 13:33:25 werner kernel:  [<c10f06d3>]
> do_new_mount+0x40/0x6c
> Jun  1 13:33:25 werner kernel:  [<c10f0872>]
> do_mount+0x173/0x18e
> Jun  1 13:33:25 werner kernel:  [<c10f08fa>]
> sys_mount+0x6d/0x99
> Jun  1 13:33:25 werner kernel:  [<c1f062ac>]
> syscall_call+0x7/0xb
> Jun  1 13:33:25 werner kernel: Code: 55 ec 0f c1 89 7e 30
> 39 7b 2c 74 04 0f 0b eb fe c7 43 2c 00 00 00 00 8d 43 2c
> 31 d2 e8 5a 5e f5 ff f0 fe 05 40 1d 3f c2 8b 45 f0 <f6> 80
> cd 01 00 00 01 74 1b 83 7d ec 00 75 15 f6 45 e4 02 74 0f
> Jun  1 13:33:25 werner kernel: EIP: [<c10ffe3e>]
> blkdev_get+0xe7/0x125 SS:ESP 0068:e1ddde38
> Jun  1 13:33:25 werner kernel: CR2: 00000000000001cd
> Jun  1 13:33:25 werner kernel: ---[ end trace
> 9b11eeec630c71b2 ]---
> ---
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-- 
Maciej Rutecki
http://www.maciek.unixy.pl
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