On Tue, Dec 20, 2022 at 06:27:59PM +0800, Xuan Zhuo wrote: > On Tue, 20 Dec 2022 14:51:54 +0530, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > > The qemu-x86_64 and qemu-arm64 boot failed with Linux next-20221220 tag. > > It is always reproducible with gcc-11/ gcc-12 and clang tool chains. > > > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > > > <6>[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x000f0510] > > <5>[ 0.000000] Linux version 6.1.0-next-20221220 (tuxmake@tuxmake) > > (Debian clang version 16.0.0 > > (++20221218072110+9c1b82599dac-1~exp1~20221218072217.501), Debian LLD > > 16.0.0) #1 SMP PREEMPT @1671498176 > > <5>[ 0.000000] random: crng init done > > <6>[ 0.000000] Machine model: linux,dummy-virt > > .... > > <6>[ 3.571098] loop: module loaded > > <6>[ 3.573410] virtio_blk virtio0: 1/0/0 default/read/poll queues > > <5>[ 3.578816] virtio_blk virtio0: [vda] 2816420 512-byte logical > > blocks (1.44 GB/1.34 GiB) > > <4>[ 3.581234] ------------[ cut here ]------------ > > <2>[ 3.581595] kernel BUG at drivers/virtio/virtio.c:122! > > <0>[ 3.582906] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP > > <4>[ 3.583672] Modules linked in: > > <4>[ 3.584905] CPU: 0 PID: 1 Comm: swapper/0 Not tainted > > 6.1.0-next-20221220 #1 > > <4>[ 3.585801] Hardware name: linux,dummy-virt (DT) > > <4>[ 3.586591] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT > > -SSBS BTYPE=--) > > <4>[ 3.587349] pc : virtio_check_driver_offered_feature+0x60/0x6c > > <4>[ 3.588613] lr : virtblk_probe+0x7cc/0x8f0 > > <4>[ 3.588915] sp : ffff80000802b840 > > <4>[ 3.589314] x29: ffff80000802b850 x28: 0000000000000000 x27: > > 0000000000000001 > > <4>[ 3.590509] x26: 0000000000000001 x25: 0000000000000200 x24: > > ffff0000c1699b00 > > <4>[ 3.590832] x23: 00000000000000fe x22: ffff0000c0313c30 x21: > > ffff0000c0313c00 > > <4>[ 3.591568] x20: ffff0000c02f4080 x19: 0000000000000000 x18: > > ffffffffffffffff > > <4>[ 3.592056] x17: 00000000ffffffea x16: 00000000fffffffe x15: > > 0000000000000004 > > <4>[ 3.592632] x14: 0000000000000fff x13: ffff800008028000 x12: > > ffff80000802c000 > > <4>[ 3.593157] x11: 000000000000000f x10: 000000000000000f x9 : > > ffffae66eee314d8 > > <4>[ 3.594048] x8 : 0000000000000000 x7 : 3631383837352e33 x6 : > > 202020205b3e353c > > <4>[ 3.594429] x5 : 0000000000000001 x4 : 0000000000000000 x3 : > > ffff80000802b780 > > <4>[ 3.594956] x2 : ffff80000802b6f8 x1 : 0000000000000011 x0 : > > ffff0000c02f4080 > > <4>[ 3.595811] Call trace: > > <4>[ 3.596120] virtio_check_driver_offered_feature+0x60/0x6c > > <4>[ 3.596632] virtio_dev_probe+0x274/0x320 > > <4>[ 3.597064] really_probe+0x178/0x418 > > <4>[ 3.597547] __driver_probe_device+0x120/0x188 > > <4>[ 3.597820] driver_probe_device+0x48/0x22c > > <4>[ 3.598189] __driver_attach+0xf8/0x250 > > <4>[ 3.598656] bus_for_each_dev+0x8c/0xd8 > > <4>[ 3.599151] driver_attach+0x30/0x3c > > <4>[ 3.599321] bus_add_driver+0x11c/0x22c > > <4>[ 3.599684] driver_register+0x84/0x120 > > <4>[ 3.600175] register_virtio_driver+0x38/0x48 > > <4>[ 3.600575] virtio_blk_init+0x6c/0xb4 > > <4>[ 3.600759] do_one_initcall+0xe0/0x2f8 > > <4>[ 3.601197] do_initcall_level+0xa8/0x150 > > <4>[ 3.601703] do_initcalls+0x60/0xa0 > > <4>[ 3.601892] do_basic_setup+0x28/0x34 > > <4>[ 3.602229] kernel_init_freeable+0x100/0x178 > > <4>[ 3.602706] kernel_init+0x2c/0x1b4 > > <4>[ 3.603162] ret_from_fork+0x10/0x20 > > <0>[ 3.604398] Code: 540000a0 91001129 f1000508 54ffff61 (d4210000) > > <4>[ 3.606108] ---[ end trace 0000000000000000 ]--- > > <6>[ 3.606714] note: swapper/0[1] exited with preempt_count 1 > > <0>[ 3.608155] Kernel panic - not syncing: Attempted to kill init! > > exitcode=0x0000000b > > <2>[ 3.609173] SMP: stopping secondary CPUs > > <0>[ 3.610506] Kernel Offset: 0x2e66e4800000 from 0xffff800008000000 > > <0>[ 3.610970] PHYS_OFFSET: 0x40000000 > > <0>[ 3.611428] CPU features: 0x00000,003a612f,cd22773f > > <0>[ 3.612277] Memory Limit: none > > <0>[ 3.613192] ---[ end Kernel panic - not syncing: Attempted to > > kill init! exitcode=0x0000000b ]--- > > > > Ref Links, > > https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20221220/testrun/13764099/suite/log-parser-test/test/check-kernel-bug/details/ > > https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20221220/testrun/13766814/suite/boot/test/clang-nightly-lkftconfig/details/ > > https://storage.tuxsuite.com/public/linaro/lkft/builds/2J9l3qxSBmPWVa1S2uWn0Xuwl1J/config > > > > > I think there is a bug, VIRTIO_BLK_F_ZONED depends the CONFIG_BLK_DEV_ZONE, but > checking its code in virtblk_probe does not depend on this config. > > This option in your config file is indeed not opened. > > > static int virtblk_probe(struct virtio_device *vdev){ > ..... > virtblk_update_capacity(vblk, false); > virtio_device_ready(vdev); > > if (virtio_has_feature(vdev, VIRTIO_BLK_F_ZONED)) { > err = virtblk_probe_zoned_device(vdev, vblk, q); > if (err) > goto out_cleanup_disk; > } > > dev_info(&vdev->dev, "blk config size: %zu\n", > sizeof(struct virtio_blk_config)); > > .... > > static unsigned int features[] = { > VIRTIO_BLK_F_SEG_MAX, VIRTIO_BLK_F_SIZE_MAX, VIRTIO_BLK_F_GEOMETRY, > VIRTIO_BLK_F_RO, VIRTIO_BLK_F_BLK_SIZE, > VIRTIO_BLK_F_FLUSH, VIRTIO_BLK_F_TOPOLOGY, VIRTIO_BLK_F_CONFIG_WCE, > VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD, VIRTIO_BLK_F_WRITE_ZEROES, > VIRTIO_BLK_F_SECURE_ERASE, VIRTIO_BLK_F_LIFETIME, > #ifdef CONFIG_BLK_DEV_ZONED > VIRTIO_BLK_F_ZONED, > #endif /* CONFIG_BLK_DEV_ZONED */ > } > > > Thanks. Oh you are right, I wanted to test it so of course I enabled it. Testing this fixup now: commit f9503d0fd839b59e0f48b00c20635437c41420ed Author: Michael S. Tsirkin <mst@xxxxxxxxxx> Date: Tue Dec 20 05:53:41 2022 -0500 fixup! virtio-blk: add support for zoned block devices diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index ff49052e26f7..d8cdaeb51d1c 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -775,6 +775,10 @@ static int virtblk_probe_zoned_device(struct virtio_device *vdev, return ret; } +static inline bool virtblk_has_zoned_feature(struct virtio_device *vdev) +{ + return virtio_has_feature(vdev, VIRTIO_BLK_F_ZONED); +} #else /* @@ -790,6 +794,11 @@ static inline int virtblk_probe_zoned_device(struct virtio_device *vdev, { return -EOPNOTSUPP; } + +static inline bool virtblk_has_zoned_feature(struct virtio_device *vdev) +{ + return false; +} #endif /* CONFIG_BLK_DEV_ZONED */ /* return id (s/n) string for *disk to *id_str @@ -1576,11 +1585,11 @@ static int virtblk_probe(struct virtio_device *vdev) else q->limits.discard_granularity = blk_size; } virtblk_update_capacity(vblk, false); virtio_device_ready(vdev); - if (virtio_has_feature(vdev, VIRTIO_BLK_F_ZONED)) { + if (virtblk_has_zoned_feature(vdev)) { err = virtblk_probe_zoned_device(vdev, vblk, q); if (err) goto out_cleanup_disk; -- MST
