Messages in this thread | | | Date | Sun, 13 Apr 2003 13:45:50 +0200 | From | Gert Vervoort <> | Subject | Re: 2.5.67: ppa driver & preempt == oops |
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Andrew Morton wrote:
>This patch should make the warnings go away. > > The warnings are still there:
ppa: Version 2.07 (for Linux 2.4.x) ppa: Found device at ID 6, Attempting to use EPP 16 bit ppa: Communication established with ID 6 using EPP 16 bit scsi0 : Iomega VPI0 (ppa) interface bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023cf5c>] scsi_probe_lun+0x6c/0x200 [<c023d38b>] scsi_probe_and_add_lun+0x7b/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023cf5c>] scsi_probe_lun+0x6c/0x200 [<c023d38b>] scsi_probe_and_add_lun+0x7b/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023cf5c>] scsi_probe_lun+0x6c/0x200 [<c023d38b>] scsi_probe_and_add_lun+0x7b/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023cf5c>] scsi_probe_lun+0x6c/0x200 [<c023d38b>] scsi_probe_and_add_lun+0x7b/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023cf5c>] scsi_probe_lun+0x6c/0x200 [<c023d38b>] scsi_probe_and_add_lun+0x7b/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023cf5c>] scsi_probe_lun+0x6c/0x200 [<c023d38b>] scsi_probe_and_add_lun+0x7b/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023cf5c>] scsi_probe_lun+0x6c/0x200 [<c023d38b>] scsi_probe_and_add_lun+0x7b/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023d074>] scsi_probe_lun+0x184/0x200 [<c023d38b>] scsi_probe_and_add_lun+0x7b/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
Vendor: IOMEGA Model: ZIP 100 Rev: D.13 Type: Direct-Access ANSI SCSI revision: 02 bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023c7ef>] scsi_get_evpd_page+0x7f/0x120 [<c023ce2e>] scsi_load_identifier+0x2e/0xf0 [<c023d248>] scsi_add_lun+0x158/0x220 [<c023d3b9>] scsi_probe_and_add_lun+0xa9/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0128db4>] queue_work+0x84/0xa0 [<c0240315>] ppa_queuecommand+0x95/0xa0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c023c002>] scsi_request_fn+0x172/0x230 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023cc43>] scsi_get_serialnumber+0x93/0x1b0 [<c023c852>] scsi_get_evpd_page+0xe2/0x120 [<c023ceeb>] scsi_load_identifier+0xeb/0xf0 [<c023d248>] scsi_add_lun+0x158/0x220 [<c023d3b9>] scsi_probe_and_add_lun+0xa9/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
bad: scheduling while atomic! Call Trace: [<c0117064>] schedule+0x3a4/0x3b0 [<c0117349>] wait_for_completion+0x99/0xe0 [<c01170c0>] default_wake_function+0x0/0x20 [<c01170c0>] default_wake_function+0x0/0x20 [<c023b15e>] scsi_wait_req+0x7e/0xb0 [<c023b050>] scsi_wait_done+0x0/0x90 [<c023cf5c>] scsi_probe_lun+0x6c/0x200 [<c023d38b>] scsi_probe_and_add_lun+0x7b/0x130 [<c023d64c>] scsi_scan_target+0x5c/0x100 [<c023d741>] scsi_scan_host+0x51/0x90 [<c023798d>] scsi_add_host+0x4d/0x90 [<c0237dac>] scsi_register_host+0x6c/0xc0 [<c01295df>] init_workqueues+0xf/0x30 [<c01050a3>] init+0x33/0x190 [<c0105070>] init+0x0/0x190 [<c01071dd>] kernel_thread_helper+0x5/0x18
error in initcall at 0xc0391ad0: returned with preemption imbalance Attached scsi removable disk sda at scsi0, channel 0, id 6, lun 0
>I've been sitting on it for a while, waiting for someone to tell me if the >ppa driver actually works. Perhaps that person is you? > > > When trying to mount a zip disk, the mount process gets stuck:
[root@viper root]# mount -t ext2 /dev/sda1 /mnt/zip SCSI device sda: 196608 512-byte hdwr sectors (101 MB) sda: Write Protect is off sda: cache data unavailable sda: assuming drive cache: write through SCSI device sda: 196608 512-byte hdwr sectors (101 MB) sda: Write Protect is off sda: cache data unavailable sda: assuming drive cache: write through
At this point the mount process is unkillable. Also strange is that the messages are printed twice.
Gert
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