Hi,all arago kernel v2.6.34_DAVINCIPSP_03.21.00.01<http://arago-project.org/git/projects/?p=linux-davinci.git;a=commit;h=79feb4fc35aa9d5f8a4584c36bb9d456726aed13> doesn't have this problem.
http://arago-project.org/git/projects/?p=linux-davinci.git;a=summary There is a bug in s_crop(vpfe_capture.c), please verify it according to PSP 03.01.00.37(Linux kernel 2.6.32-rc1) Don't use linux-davinci git tree as base version in your product. Best regards Frank 在 2010年12月27日 下午10:02， <[email protected]>写道： > Hi, > I have the same problem with umount SD card and UDisk after they are > removed from the board. > The command "umount" never return, so as command "sync". > > I am unsing DM365 EVM and PSP 03.01.00.37(Linux kernel 2.6.32-rc1). > > I also found the v2.6.32-davinci1 kernel in ti-davinci git tree has fix the > problem， > just as Nathan has said. > > But I can't find what's wrong with it and which commit I should merge, can > anyone help me? > > Best regargds > > Frank > > ps: > this is the error message : > > INFO: task umount:1892 blocked for more than 120 seconds. > "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > umount D c03520d8 0 1892 1323 0x00000000 > Backtrace: > [<c0351dec>] (schedule+0x0/0x370) from [<c00cc0dc>] > (bdi_sched_wait+0x10/0x18) > [<c00cc0cc>] (bdi_sched_wait+0x0/0x18) from [<c0352b88>] > (__wait_on_bit+0x64/0xac) > [<c0352b24>] (__wait_on_bit+0x0/0xac) from [<c0352c4c>] > (out_of_line_wait_on_bit+0x7c/0x88) > [<c0352bd0>] (out_of_line_wait_on_bit+0x0/0x88) from [<c00cc174>] > (sync_inodes_sb+0x90/0x178) > [<c00cc0e4>] (sync_inodes_sb+0x0/0x178) from [<c00d0460>] > (__sync_filesystem+0x38/0x64) > [<c00d0428>] (__sync_filesystem+0x0/0x64) from [<c00d069c>] > (sync_filesystem+0x58/0x60) > r5:c4656000 r4:c459ee00 > [<c00d0644>] (sync_filesystem+0x0/0x60) from [<c00b07f8>] > (generic_shutdown_super+0x38/0x138) > r4:c459ee00 > [<c00b07c0>] (generic_shutdown_super+0x0/0x138) from [<c00b0918>] > (kill_block_super+0x20/0x38) > r6:c3e6ec68 r5:00000003 r4:c301bb40 > [<c00b08f8>] (kill_block_super+0x0/0x38) from [<c00b0c94>] > (deactivate_super+0x68/0x80) > r5:c046ca3c r4:c459ee00 > [<c00b0c2c>] (deactivate_super+0x0/0x80) from [<c00c65b4>] > (mntput_no_expire+0x94/0xe0) > r5:c459ee00 r4:c3e6ec00 > [<c00c6520>] (mntput_no_expire+0x0/0xe0) from [<c00c7e7c>] > (sys_umount+0x2c0/0x2f4) > r7:c3e6ec00 r6:c3e6ec00 r5:c3e6ec18 r4:c3e6ebf8 > [<c00c7bbc>] (sys_umount+0x0/0x2f4) from [<c003ee60>] > (ret_fast_syscall+0x0/0x28) >
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