Messages in this thread | ![/](/images/icornerl.gif) | | Date | Sat, 12 Jul 2003 06:45:09 -0700 | From | "Martin J. Bligh" <> | Subject | [Bug 913] New: Segmentation fault when unmounting a smartmedia reader |
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http://bugme.osdl.org/show_bug.cgi?id=913
Summary: Segmentation fault when unmounting a smartmedia reader Kernel Version: 2.5.75-bk1 Status: NEW Severity: normal Owner: greg@kroah.com Submitter: Nicolas.Mailhot@LaPoste.net
(see bug #912 for complete hardware/software environment, config files and so on)
After getting a screenshot of bug #912 today, when unmounting the smartmedia card mount did a segmentat fault.
repeating the unmount command resulted in "foo is not mounted".
I've just found this trace in /var/log/messages that seems related. System didn't seem affected and is still running nicely.
Jul 12 10:22:52 rousalka kernel: Unable to handle kernel NULL pointer dereference at virtual address 000000d8 Jul 12 10:22:52 rousalka kernel: printing eip: Jul 12 10:22:52 rousalka kernel: c029d847 Jul 12 10:22:52 rousalka kernel: *pde = 00000000 Jul 12 10:22:52 rousalka kernel: Oops: 0002 [#1] Jul 12 10:22:52 rousalka kernel: CPU: 0 Jul 12 10:22:52 rousalka kernel: EIP: 0060:[<c029d847>] Not tainted Jul 12 10:22:52 rousalka kernel: EFLAGS: 00210286 Jul 12 10:22:52 rousalka kernel: EIP is at scsi_device_put+0x7/0x60 Jul 12 10:22:52 rousalka kernel: eax: 00000000 ebx: 00000000 ecx: c17965c0 edx: ffffffff Jul 12 10:22:52 rousalka kernel: esi: dfd7fb70 edi: dfd7fb70 ebp: d28cde84 esp: d28cde80 Jul 12 10:22:52 rousalka kernel: ds: 007b es: 007b ss: 0068 Jul 12 10:22:52 rousalka kernel: Process umount (pid: 5497, threadinfo=d28cc000 task=cd00e800) Jul 12 10:22:52 rousalka kernel: Stack: 00000000 d28cde98 c02a7727 00000000 00000000 00000001 d28cded8 c017e07f Jul 12 10:22:52 rousalka kernel: d3a1f794 00000000 dfd7fbe4 d28cdec0 c0156591 dfd7fbe4 00000002 dfd7fb88 Jul 12 10:22:52 rousalka kernel: c17965c0 d3a1f794 00000000 00000000 00000000 dfd7fbe4 d28cdf18 c017e03d Jul 12 10:22:52 rousalka kernel: Call Trace: Jul 12 10:22:52 rousalka kernel: [<c02a7727>] sd_release+0x37/0x60 Jul 12 10:22:52 rousalka kernel: [<c017e07f>] blkdev_put+0x2bf/0x330 Jul 12 10:22:52 rousalka kernel: [<c0156591>] invalidate_inode_pages+0x21/0x30 Jul 12 10:22:52 rousalka kernel: [<c017e03d>] blkdev_put+0x27d/0x330 Jul 12 10:22:52 rousalka kernel: [<c0179914>] generic_shutdown_super+0x124/0x440 Jul 12 10:22:52 rousalka kernel: [<c017ba7c>] kill_block_super+0x3c/0x50 Jul 12 10:22:52 rousalka kernel: [<c0179151>] deactivate_super+0xd1/0x2b0 Jul 12 10:22:52 rousalka kernel: [<c019b648>] free_vfsmnt+0x28/0x30 Jul 12 10:22:52 rousalka kernel: [<c019cbfc>] sys_umount+0x3c/0x90 Jul 12 10:22:52 rousalka kernel: [<c019cc69>] sys_oldumount+0x19/0x20 Jul 12 10:22:52 rousalka kernel: [<c010a1ad>] sysenter_past_esp+0x52/0x71 Jul 12 10:22:52 rousalka kernel: Jul 12 10:22:52 rousalka kernel: Code: ff 88 d8 00 00 00 8b 40 68 8b 80 8c 00 00 00 8b 00 85 c0 74
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