Hi, On 03/08/16 12:41, Grygorii Strashko wrote: > Hi All, > > We observe Kernel boot failure while running NFS boot stress test (1000 iterations): > - Linux version 4.7.0 > - am335x-evm (TI AM335x EVM) > - failure rate 10-20 times per test. > Originally this issue was reproduced using TI Kernel 4.4 > ( git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git, branch: ti-linux-4.4.y) > on both am335x-evm and am57xx-beagle-x15(am57xx-evm) platforms. > This issues has not been reproduced with TI Kernel 4.1 before. > > The SysRq shows that system stuck in nfs_fs_mount() > > [ 207.904632] [<c07ab34c>] (schedule) from [<c0783554>] (rpc_wait_bit_killable+0x2c/0xd8) > [ 207.912996] [<c0783554>] (rpc_wait_bit_killable) from [<c07ab7f0>] (__wait_on_bit+0x84/0xc0) > [ 207.921812] [<c07ab7f0>] (__wait_on_bit) from [<c07ab890>] (out_of_line_wait_on_bit+0x64/0x70) > [ 207.930810] [<c07ab890>] (out_of_line_wait_on_bit) from [<c07843f4>] (__rpc_execute+0x18c/0x544) > [ 207.939988] [<c07843f4>] (__rpc_execute) from [<c0779f24>] (rpc_run_task+0x13c/0x158) > [ 207.948166] [<c0779f24>] (rpc_run_task) from [<c0779f84>] (rpc_call_sync+0x44/0xc4) > [ 207.956163] [<c0779f84>] (rpc_call_sync) from [<c077a04c>] (rpc_ping+0x48/0x68) > [ 207.963796] [<c077a04c>] (rpc_ping) from [<c077a158>] (rpc_create_xprt+0xec/0x164) > [ 207.971702] [<c077a158>] (rpc_create_xprt) from [<c077a2c0>] (rpc_create+0xf0/0x1a0) > [ 207.979794] [<c077a2c0>] (rpc_create) from [<c0393088>] (nfs_create_rpc_client+0xd4/0xec) > [ 207.988338] [<c0393088>] (nfs_create_rpc_client) from [<c0394d10>] (nfs_init_client+0x20/0x78) > [ 207.997332] [<c0394d10>] (nfs_init_client) from [<c03949d4>] (nfs_create_server+0xa0/0x3bc) > [ 208.006057] [<c03949d4>] (nfs_create_server) from [<c03b197c>] (nfs3_create_server+0x8/0x20) > [ 208.014879] [<c03b197c>] (nfs3_create_server) from [<c03a34c4>] (nfs_try_mount+0xc4/0x1f0) > [ 208.023513] [<c03a34c4>] (nfs_try_mount) from [<c03a2c48>] (nfs_fs_mount+0x290/0x910) > [ 208.031702] [<c03a2c48>] (nfs_fs_mount) from [<c0294d24>] (mount_fs+0x44/0x168) > > Has anyone else seen this issue? > > I'd be appreciated for any help or advice related to this issue? I did not look at details, but because it is 4.4 and __wait_on_bit showed up you might want to look at [1] [1] https://lkml.org/lkml/2015/11/20/472 Just my 2p. Vladimir > > Thanks in advance. > > regards, > -grygorii -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
